Astronomy Picture of the Day<p>APOD from 2025-04-02</p><p><a href="https://mastodon.bot/tags/Jupiter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Jupiter</span></a> and Ring in <a href="https://mastodon.bot/tags/Infrared" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Infrared</span></a> from <a href="https://mastodon.bot/tags/Webb" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Webb</span></a></p><p>Jupiter's rings, discovered by Voyager 1 in 1979, are formed by meteoroid impacts on small moons like Metis, ejecting dust into orbit. The James Webb Space <a href="https://mastodon.bot/tags/Telescope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Telescope</span></a>'s infrared image captures these rings, Jupiter's clouds, the Great Red Spot, <a href="https://mastodon.bot/tags/moon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>moon</span></a> Europa, and its shadow. Some features remain a mystery.</p><p>HD image at <a href="https://apod.nasa.gov/apod/ap250402.html#space" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">apod.nasa.gov/apod/ap250402.ht</span><span class="invisible">ml#space</span></a> <a href="https://mastodon.bot/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a></p>
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#telescope
5 posts · 5 participants · 3 posts today
JD Gadina 🦄<p>The Seagull Nebula.<br>Celestron NexStar Evolution 6 + ZWO ASI585MC Pro.<br>300mm, f2, 200 exposures of 60’’.<br><a href="https://mastodon.social/tags/telescope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>telescope</span></a> <a href="https://mastodon.social/tags/telescopes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>telescopes</span></a> <a href="https://mastodon.social/tags/celestron" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>celestron</span></a> <a href="https://mastodon.social/tags/celestrontelescope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>celestrontelescope</span></a> <a href="https://mastodon.social/tags/celestronnexstar" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>celestronnexstar</span></a> <a href="https://mastodon.social/tags/nexstarevolution" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nexstarevolution</span></a> <a href="https://mastodon.social/tags/nexstarevolution6" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nexstarevolution6</span></a> <a href="https://mastodon.social/tags/zwo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>zwo</span></a> <a href="https://mastodon.social/tags/zwoasi" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>zwoasi</span></a> <a href="https://mastodon.social/tags/zwoasi585mc" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>zwoasi585mc</span></a> <a href="https://mastodon.social/tags/astro" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astro</span></a> <a href="https://mastodon.social/tags/astrophoto" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophoto</span></a> <a href="https://mastodon.social/tags/astrophotos" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophotos</span></a> <a href="https://mastodon.social/tags/astrophotography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophotography</span></a> <a href="https://mastodon.social/tags/astrophotographer" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophotographer</span></a> <a href="https://mastodon.social/tags/spacephotography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spacephotography</span></a> <a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.social/tags/spaceexploration" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spaceexploration</span></a> <a href="https://mastodon.social/tags/nasa" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nasa</span></a> <a href="https://mastodon.social/tags/universe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>universe</span></a> <a href="https://mastodon.social/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a> <a href="https://mastodon.social/tags/deepsky" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>deepsky</span></a> <a href="https://mastodon.social/tags/deepspace" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>deepspace</span></a> <a href="https://mastodon.social/tags/nebula" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nebula</span></a> <a href="https://mastodon.social/tags/seagull" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>seagull</span></a> <a href="https://mastodon.social/tags/seagullnebula" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>seagullnebula</span></a> <a href="https://mastodon.social/tags/ic2177" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ic2177</span></a></p>
JD GadinaThe Seagull Nebula.<br>
Celestron NexStar Evolution 6 + ZWO ASI585MC Pro.<br>
300mm, f2, 200 exposures of 60’’.<br>
<a href="https://pixelfed.social/discover/tags/telescope?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#telescope</a> <a href="https://pixelfed.social/discover/tags/telescopes?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#telescopes</a> <a href="https://pixelfed.social/discover/tags/celestron?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#celestron</a> <a href="https://pixelfed.social/discover/tags/celestrontelescope?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#celestrontelescope</a> <a href="https://pixelfed.social/discover/tags/celestronnexstar?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#celestronnexstar</a> <a href="https://pixelfed.social/discover/tags/nexstarevolution?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#nexstarevolution</a> <a href="https://pixelfed.social/discover/tags/nexstarevolution6?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#nexstarevolution6</a> <a href="https://pixelfed.social/discover/tags/zwo?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#zwo</a> <a href="https://pixelfed.social/discover/tags/zwoasi?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#zwoasi</a> <a href="https://pixelfed.social/discover/tags/zwoasi585mc?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#zwoasi585mc</a> <a href="https://pixelfed.social/discover/tags/astro?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#astro</a> <a href="https://pixelfed.social/discover/tags/astrophoto?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#astrophoto</a> <a href="https://pixelfed.social/discover/tags/astrophotos?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#astrophotos</a> <a href="https://pixelfed.social/discover/tags/astrophotography?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#astrophotography</a> <a href="https://pixelfed.social/discover/tags/astrophotographer?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#astrophotographer</a> <a href="https://pixelfed.social/discover/tags/spacephotography?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#spacephotography</a> <a href="https://pixelfed.social/discover/tags/astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#astronomy</a> <a href="https://pixelfed.social/discover/tags/spaceexploration?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#spaceexploration</a> <a href="https://pixelfed.social/discover/tags/nasa?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#nasa</a> <a href="https://pixelfed.social/discover/tags/universe?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#universe</a> <a href="https://pixelfed.social/discover/tags/space?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#space</a> <a href="https://pixelfed.social/discover/tags/deepsky?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#deepsky</a> <a href="https://pixelfed.social/discover/tags/deepspace?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#deepspace</a> <a href="https://pixelfed.social/discover/tags/nebula?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#nebula</a> <a href="https://pixelfed.social/discover/tags/seagull?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#seagull</a> <a href="https://pixelfed.social/discover/tags/seagullnebula?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#seagullnebula</a> <a href="https://pixelfed.social/discover/tags/ic2177?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#ic2177</a>
Rick T-137<p><span class="h-card" translate="no"><a href="https://aus.social/@rdm" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>rdm</span></a></span> Yes, some scopes (especially some Maks) are hard to collimate. I have an SCT and I collimate it all the time just using the guide posted in the Meade 2080 manual from 1983 (starting on page 54). Works every time! Admittedly, SCT's are easy to collimate compared to reflectors...</p><p><a href="https://ia800403.us.archive.org/10/items/meade-2080-2120man/Meade2080-2120man.pdf" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">ia800403.us.archive.org/10/ite</span><span class="invisible">ms/meade-2080-2120man/Meade2080-2120man.pdf</span></a></p><p><a href="https://astrodon.social/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astronomy</span></a> <a href="https://astrodon.social/tags/Telescope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Telescope</span></a> <a href="https://astrodon.social/tags/Meade" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Meade</span></a> <a href="https://astrodon.social/tags/SchmidtCassegrain" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SchmidtCassegrain</span></a> <a href="https://astrodon.social/tags/Collimation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Collimation</span></a></p>
rdm<p>One of the real trouble jobs in <a href="https://aus.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> is collimating a reflector telescope. In particular, Maksutov-Cassegrains, like the ETX90, are tricky.</p><p>Fortunately, Escher over Cloudy Nights has posted a really useful guide.</p><p><a href="https://www.cloudynights.com/topic/391392-dont-mess-with-etx-collimation/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">cloudynights.com/topic/391392-</span><span class="invisible">dont-mess-with-etx-collimation/</span></a></p><p><a href="https://aus.social/tags/ETX90" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ETX90</span></a> <a href="https://aus.social/tags/MAK" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MAK</span></a> <a href="https://aus.social/tags/Collimation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Collimation</span></a> <a href="https://aus.social/tags/Telescope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Telescope</span></a> <a href="https://aus.social/tags/TelescopeMaintainence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>TelescopeMaintainence</span></a></p>
Thomas Hanrath<p>Messier 65 is a spiral <a href="https://astrodon.social/tags/galaxy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>galaxy</span></a> located approximately 35 million light-years away in the constellation <a href="https://astrodon.social/tags/Leo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Leo</span></a> that reaches its annual culmination at astronomical midnight and is best observed in mid-March.</p><p>Detailed Information: <a href="https://astrocamp.eu/m65" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">astrocamp.eu/m65</span><span class="invisible"></span></a></p><p>▼ Vixen VC200L | EOS R(a) '25</p><p><a href="https://astrodon.social/tags/astrophoto" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophoto</span></a> <a href="https://astrodon.social/tags/astrophotography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophotography</span></a> <a href="https://astrodon.social/tags/nightsky" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nightsky</span></a> <a href="https://astrodon.social/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a> <a href="https://astrodon.social/tags/sky" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sky</span></a> <a href="https://astrodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://astrodon.social/tags/telescope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>telescope</span></a> <a href="https://astrodon.social/tags/clearsky" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>clearsky</span></a> <a href="https://astrodon.social/tags/photography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>photography</span></a> <a href="https://astrodon.social/tags/nature" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nature</span></a> <a href="https://astrodon.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrodon</span></a></p>
Flipboard Science Desk<p>A European space telescope launched to explore the dark universe has released a trove of new data on distant galaxies. <span class="h-card" translate="no"><a href="https://flipboard.com/@AssociatedPress" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>AssociatedPress</span></a></span> :<br><a href="https://apnews.com/article/euclid-space-telescope-dark-energy-731a1c70f3603418e6c07a1012258adb" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">apnews.com/article/euclid-spac</span><span class="invisible">e-telescope-dark-energy-731a1c70f3603418e6c07a1012258adb</span></a></p><p><a href="https://flipboard.social/tags/Space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Space</span></a> <a href="https://flipboard.social/tags/Telescope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Telescope</span></a> <a href="https://flipboard.social/tags/Europe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Europe</span></a> <a href="https://flipboard.social/tags/Galaxies" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Galaxies</span></a> <a href="https://flipboard.social/tags/Universe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Universe</span></a></p>
Thomas Hanrath<p>Messier 97, also known as the <a href="https://astrodon.social/tags/OwlNebula" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OwlNebula</span></a>, is a planetary nebula located approximately 2,030 light-years away in the constellation <a href="https://astrodon.social/tags/UrsaMajor" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>UrsaMajor</span></a> that reaches its annual culmination at astronomical midnight and is best observed around March 8th.</p><p>Detailed Information: <a href="https://astrocamp.eu/m97" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">astrocamp.eu/m97</span><span class="invisible"></span></a> </p><p>▼ Vixen VC200L | SkyEye62AM '25</p><p><a href="https://astrodon.social/tags/astrophoto" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophoto</span></a> <a href="https://astrodon.social/tags/astrophotography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophotography</span></a> <a href="https://astrodon.social/tags/nightsky" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nightsky</span></a> <a href="https://astrodon.social/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a> <a href="https://astrodon.social/tags/sky" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sky</span></a> <a href="https://astrodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://astrodon.social/tags/telescope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>telescope</span></a> <a href="https://astrodon.social/tags/clearsky" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>clearsky</span></a> <a href="https://astrodon.social/tags/photography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>photography</span></a> <a href="https://astrodon.social/tags/nature" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nature</span></a> <a href="https://astrodon.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrodon</span></a></p>
Benjamin Carr, Ph.D. 👨🏻💻🧬<p>No, that’s not a cosmic cone of shame—it’s <a href="https://hachyderm.io/tags/NASA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NASA</span></a>’s newest <a href="https://hachyderm.io/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a> <a href="https://hachyderm.io/tags/telescope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>telescope</span></a><br>As soon as next month <a href="https://hachyderm.io/tags/SPHEREx" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SPHEREx</span></a> will begin a two-year science mission surveying the sky in 102 colors invisible to the human eye. The observatory's infrared detectors will collect data on the chemical composition of asteroids, hazy star-forming clouds, and faraway galaxies.<br>"SPHEREx is going to produce an enormous three-dimensional map of the entire night sky."<br><a href="https://arstechnica.com/science/2025/03/no-thats-not-a-cosmic-cone-of-shame-its-nasas-newest-space-telescope/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">arstechnica.com/science/2025/0</span><span class="invisible">3/no-thats-not-a-cosmic-cone-of-shame-its-nasas-newest-space-telescope/</span></a></p>
Benjamin Carr, Ph.D. 👨🏻💻🧬<p><a href="https://hachyderm.io/tags/Euclid" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Euclid</span></a> <a href="https://hachyderm.io/tags/telescope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>telescope</span></a> captures <a href="https://hachyderm.io/tags/EinsteinRing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>EinsteinRing</span></a> revealing warping of <a href="https://hachyderm.io/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a>, showing light from a distant <a href="https://hachyderm.io/tags/galaxy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>galaxy</span></a> bent into a perfect circle by the gravity of another galaxy sitting between Earth and the source, <a href="https://hachyderm.io/tags/ESA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ESA</span></a> said.<br>Phenomenon, spotted around galaxy <a href="https://hachyderm.io/tags/NGC6505" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NGC6505</span></a> some 590M light-years from Earth, reveals the warping of space predicted by Einstein's theory of relativity. The background galaxy, located 4.42B light-years away, appears as a complete ring of light around NGC 6505.<br><a href="https://www.theguardian.com/science/2025/feb/10/euclid-telescope-captures-einstein-ring-revealing-warping-of-space" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">theguardian.com/science/2025/f</span><span class="invisible">eb/10/euclid-telescope-captures-einstein-ring-revealing-warping-of-space</span></a></p>
Santiago Andrés Triana<p>The <a href="https://fediscience.org/tags/Sun" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Sun</span></a>'s surface. The <a href="https://fediscience.org/tags/sunspot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sunspot</span></a> here is Active Region 4018 as seen yesterday through my <a href="https://fediscience.org/tags/telescope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>telescope</span></a>. The granular texture is from the strong convective motion of the <a href="https://fediscience.org/tags/solar" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>solar</span></a> <a href="https://fediscience.org/tags/plasma" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>plasma</span></a>, very much like the convective patterns we see in a pot of boiling water. <a href="https://fediscience.org/tags/astrophotography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophotography</span></a></p>
Christopher Kyba 🇨🇦🇪🇺<p>Last night, Sicco Bauer and I made simultaneous observations of the GOES 12 satellite through an <a href="https://fediscience.org/tags/eVscope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>eVscope</span></a>. Sicco was in Dresden, I was in Bochum (~450 km apart).</p><p>We both see a dramatic brightening of the satellite as it passes through the (different) field of view.</p><p>It's maybe not surprising, because the satellite is so far away that the angular difference is <1 degree. But still, it's cool that this can be done, and shows the utility of the setup.</p><p><a href="https://fediscience.org/tags/Satellite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Satellite</span></a> <a href="https://fediscience.org/tags/LightPollution" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>LightPollution</span></a> <a href="https://fediscience.org/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astronomy</span></a> <a href="https://fediscience.org/tags/Telescope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Telescope</span></a></p>
JD GadinaM53 Globular Cluster.<br>
Celestron NexStar Evolution 6 + ZWO ASI585MC Pro.<br>
945mm, f6.3, 150 exposures of 30’’.<br>
<a href="https://pixelfed.social/discover/tags/telescope?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#telescope</a> <a href="https://pixelfed.social/discover/tags/telescopes?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#telescopes</a> <a href="https://pixelfed.social/discover/tags/celestron?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#celestron</a> <a href="https://pixelfed.social/discover/tags/celestrontelescope?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#celestrontelescope</a> <a href="https://pixelfed.social/discover/tags/celestronnexstar?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#celestronnexstar</a> <a href="https://pixelfed.social/discover/tags/nexstarevolution?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#nexstarevolution</a> <a href="https://pixelfed.social/discover/tags/nexstarevolution6?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#nexstarevolution6</a> <a href="https://pixelfed.social/discover/tags/canon?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#canon</a> <a href="https://pixelfed.social/discover/tags/canoneosr7?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#canoneosr7</a> <a href="https://pixelfed.social/discover/tags/eosr7?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#eosr7</a> <a href="https://pixelfed.social/discover/tags/astro?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#astro</a> <a href="https://pixelfed.social/discover/tags/astrophoto?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#astrophoto</a> <a href="https://pixelfed.social/discover/tags/astrophotos?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#astrophotos</a> <a href="https://pixelfed.social/discover/tags/astrophotography?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#astrophotography</a> <a href="https://pixelfed.social/discover/tags/astrophotographer?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#astrophotographer</a> <a href="https://pixelfed.social/discover/tags/spacephotography?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#spacephotography</a> <a href="https://pixelfed.social/discover/tags/astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#astronomy</a> <a href="https://pixelfed.social/discover/tags/spaceexploration?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#spaceexploration</a> <a href="https://pixelfed.social/discover/tags/nasa?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#nasa</a> <a href="https://pixelfed.social/discover/tags/universe?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#universe</a> <a href="https://pixelfed.social/discover/tags/space?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#space</a> <a href="https://pixelfed.social/discover/tags/deepsky?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#deepsky</a> <a href="https://pixelfed.social/discover/tags/deepspace?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#deepspace</a> <a href="https://pixelfed.social/discover/tags/milkyway?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#milkyway</a> <a href="https://pixelfed.social/discover/tags/cluster?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#cluster</a> <a href="https://pixelfed.social/discover/tags/globular?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#globular</a> <a href="https://pixelfed.social/discover/tags/globularcluster?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#globularcluster</a> <a href="https://pixelfed.social/discover/tags/m53?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#m53</a> <a href="https://pixelfed.social/discover/tags/messier53?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#messier53</a> <a href="https://pixelfed.social/discover/tags/messier?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#messier</a>
AllanICarswellObservatoryJoin us this Wednesday, March 5th, for an exciting evening of astronomy at the Allan I. Carswell Observatory! We are hosting a tour where guests will have a chance to explore the inside of our incredible 1m and 60cm telescope domes.<br>
Bonus: If the skies are clear, we’ll set up our 1m telescope for live observing!<br>
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Date: Wednesday, March 5, 2025<br>
Time: 6:00 – 8:00 PM ET<br>
Location: Petrie Science and Engineering Building, 3rd Floor<br>
Get your free tickets here: <a href="https://www.zeffy.com/en-CA/ticketing/allan-i-carswell-observatory-tour-march-5th--2025" rel="nofollow noopener noreferrer" target="_blank">https://www.zeffy.com/en-CA/ticketing/allan-i-carswell-observatory-tour-march-5th--2025</a><br>
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<a href="https://pixelfed.social/discover/tags/Astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Astronomy</a> <a href="https://pixelfed.social/discover/tags/Astronomer?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Astronomer</a> <a href="https://pixelfed.social/discover/tags/Space?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Space</a> <a href="https://pixelfed.social/discover/tags/YorkU?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#YorkU</a> <a href="https://pixelfed.social/discover/tags/Observatory?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Observatory</a> <a href="https://pixelfed.social/discover/tags/AllanICarswellObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#AllanICarswellObservatory</a> <a href="https://pixelfed.social/discover/tags/Stargazing?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Stargazing</a> <a href="https://pixelfed.social/discover/tags/Telescope?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Telescope</a> <a href="https://pixelfed.social/discover/tags/Planets?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Planets</a> <a href="https://pixelfed.social/discover/tags/Stars?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Stars</a> <a href="https://pixelfed.social/discover/tags/Science?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Science</a> <a href="https://pixelfed.social/discover/tags/Physics?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Physics</a> <a href="https://pixelfed.social/discover/tags/Toronto?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Toronto</a> <a href="https://pixelfed.social/discover/tags/YorkUObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#YorkUObservatory</a> <a href="https://pixelfed.social/discover/tags/ClearSkies?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#ClearSkies</a> <a href="https://pixelfed.social/discover/tags/Tour?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Tour</a> <a href="https://pixelfed.social/discover/tags/FreeEvents?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#FreeEvents</a> <a href="https://pixelfed.social/discover/tags/FamilyFriendly?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#FamilyFriendly</a> <a href="https://pixelfed.social/discover/tags/ScienceOutreach?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#ScienceOutreach</a>
bilbo_le_hobbit :bzh:<p>Séance de <a href="https://mamot.fr/tags/polissage" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>polissage</span></a> ce soir... <a href="https://mamot.fr/tags/miroir" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>miroir</span></a> <a href="https://mamot.fr/tags/astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrodon</span></a> <a href="https://mamot.fr/tags/optique" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>optique</span></a> <a href="https://mamot.fr/tags/telescope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>telescope</span></a></p>
AllanICarswellObservatoryThis beautiful image was taken by one of our 2024 Astronomers in Residence, Robin Metcalfe! You can find more images like it, as well as daily blog posts from our past astronomers on our Astronomer in Residence (AIR) blog!<br>
Check out the AIR blog for more posts: <a href="https://www.yorku.ca/science/observatory/air/astronomer-in-residence-blog/" rel="nofollow noopener noreferrer" target="_blank">https://www.yorku.ca/science/observatory/air/astronomer-in-residence-blog/</a><br>
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Apply to be an Astronomer in Residence here: <a href="https://www.yorku.ca/science/observatory/air/" rel="nofollow noopener noreferrer" target="_blank">https://www.yorku.ca/science/observatory/air/</a><br>
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<a href="https://pixelfed.social/discover/tags/Telescope?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Telescope</a> <a href="https://pixelfed.social/discover/tags/Park?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Park</a> <a href="https://pixelfed.social/discover/tags/DarkSky?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#DarkSky</a> <a href="https://pixelfed.social/discover/tags/Toronto?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Toronto</a> <a href="https://pixelfed.social/discover/tags/ScienceOutreach?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#ScienceOutreach</a> <a href="https://pixelfed.social/discover/tags/Physics?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Physics</a> <a href="https://pixelfed.social/discover/tags/Astronomy?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Astronomy</a> <a href="https://pixelfed.social/discover/tags/YorkUObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#YorkUObservatory</a> <a href="https://pixelfed.social/discover/tags/AllanICarswellObservatory?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#AllanICarswellObservatory</a> <a href="https://pixelfed.social/discover/tags/KillarneyProvincialPark?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#KillarneyProvincialPark</a> <a href="https://pixelfed.social/discover/tags/Science?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Science</a> <a href="https://pixelfed.social/discover/tags/SpaceExploration?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#SpaceExploration</a> <a href="https://pixelfed.social/discover/tags/Astronomers?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Astronomers</a> <a href="https://pixelfed.social/discover/tags/AstronomerInResidence?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#AstronomerInResidence</a> <a href="https://pixelfed.social/discover/tags/Research?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#Research</a>
Matteo Ceriotti<p>Mission accomplished for <a href="https://mastodon.social/tags/Integral" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Integral</span></a>, <a href="https://mastodon.social/tags/ESA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ESA</span></a>’s <a href="https://mastodon.social/tags/gammaray" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>gammaray</span></a> telescope. After 22 years of operations in <a href="https://mastodon.social/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a>, the <a href="https://mastodon.social/tags/telescope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>telescope</span></a> ends its observations today.</p><p><a href="https://www.esa.int/Science_Exploration/Space_Science/Integral/Mission_accomplished_for_Integral_ESA_s_gamma-ray_telescope" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">esa.int/Science_Exploration/Sp</span><span class="invisible">ace_Science/Integral/Mission_accomplished_for_Integral_ESA_s_gamma-ray_telescope</span></a></p><p><a href="https://mastodon.social/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a> <a href="https://mastodon.social/tags/esa" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>esa</span></a> <a href="https://mastodon.social/tags/integral" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>integral</span></a> <a href="https://mastodon.social/tags/gammaray" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>gammaray</span></a> <a href="https://mastodon.social/tags/telescope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>telescope</span></a></p>
JD Gadina 🦄<p>Flying to the Horsehead.<br>@celestronuniverse NexStar Evolution 6 + @zwoasi ASI585MC Pro + HyperStar.<br><a href="https://mastodon.social/tags/telescope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>telescope</span></a> <a href="https://mastodon.social/tags/telescopes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>telescopes</span></a> <a href="https://mastodon.social/tags/celestron" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>celestron</span></a> <a href="https://mastodon.social/tags/celestrontelescope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>celestrontelescope</span></a> <a href="https://mastodon.social/tags/celestronnexstar" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>celestronnexstar</span></a> <a href="https://mastodon.social/tags/nexstarevolution" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nexstarevolution</span></a> <a href="https://mastodon.social/tags/nexstarevolution6" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nexstarevolution6</span></a> <a href="https://mastodon.social/tags/zwo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>zwo</span></a> <a href="https://mastodon.social/tags/zwoasi" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>zwoasi</span></a> <a href="https://mastodon.social/tags/zwoasi585mc" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>zwoasi585mc</span></a> <a href="https://mastodon.social/tags/astro" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astro</span></a> <a href="https://mastodon.social/tags/astrophoto" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophoto</span></a> <a 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Anthony Horton<p>Further twists in the story of the anti-astronomy ants.</p><p>Contact with the telescope was lost again last night. This may indicate that the ants did actually succeed in damaging some of the power distribution equipment, but could be unrelated. The Huntsman Telescope can also be taken offline by network problems, nearby lightning strikes, etc.. Observatory staff will investigate today.</p><p>More interestingly we may have an explanation for why we managed to go 5 years without an ant attack, only to be taken out by them again now. Observatory staff had been putting a highly effective ant deterrent in the power distribution cabinet, however it is not sold anymore and supplies on the mountain have now been exhausted. What was it? A particular brand of urinal cake. Apparently those ones worked, but others do not.</p><p><a href="https://aus.social/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astronomy</span></a> <a href="https://aus.social/tags/Astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astrodon</span></a> <a href="https://aus.social/tags/Telescope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Telescope</span></a></p>
Anthony Horton<p>On the subject of fauna interfering with the conduct of astronomical research I am reminded of this paper by Bartel et al., which describes how a red racer snake hindered VLBI observations of M82. The authors made it clear that it wasn't the snake's fault, however.</p><p><a href="https://ui.adsabs.harvard.edu/abs/1987ApJ...323..505B/abstract" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">ui.adsabs.harvard.edu/abs/1987</span><span class="invisible">ApJ...323..505B/abstract</span></a></p><p><a href="https://aus.social/tags/Astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astrodon</span></a> <a href="https://aus.social/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astronomy</span></a> <a href="https://aus.social/tags/Telescope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Telescope</span></a></p>
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