Daniel Pomarède<p>The open star cluster Messier 21 as imaged by the Vera C. Rubin Observatory</p><p>Located near the Trifid Nebula, Messier 21 is relatively young and tightly packed with small, dim stars. </p><p>Credit: RubinObs/NOIRLab/SLAC/NSF/DOE/AURA<br><a href="https://noirlab.edu/public/images/noirlab2521ag" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">noirlab.edu/public/images/noir</span><span class="invisible">lab2521ag</span></a> </p><p><span class="h-card" translate="no"><a href="https://astrodon.social/@VRubinObs" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>VRubinObs</span></a></span> </p><p><a href="https://mastodon.social/tags/RubinFirstLook" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RubinFirstLook</span></a> <a href="https://mastodon.social/tags/CaptureTheCosmos" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CaptureTheCosmos</span></a> <a href="https://mastodon.social/tags/Astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astronomy</span></a> <a href="https://mastodon.social/tags/Astrophysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astrophysics</span></a> <a href="https://mastodon.social/tags/Astrodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astrodon</span></a> <a href="https://mastodon.social/tags/Rubin" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Rubin</span></a> <a href="https://mastodon.social/tags/observatory" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>observatory</span></a> <a href="https://mastodon.social/tags/RubinObservatory" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RubinObservatory</span></a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>science</span></a> <a href="https://mastodon.social/tags/telescope" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>telescope</span></a> <a href="https://mastodon.social/tags/Messier21" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Messier21</span></a> <a href="https://mastodon.social/tags/opencluster" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>opencluster</span></a> <a href="https://mastodon.social/tags/starcluster" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>starcluster</span></a> <a href="https://mastodon.social/tags/astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotography</span></a></p>
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Daniel Pomarède<p>Rubin with M41 during First Look Observations</p><p>Credit: RubinObs/NOIRLab/SLAC/NSF/DOE/AURA/P. Horálek (Institute of Physics in Opava)</p><p><a href="https://noirlab.edu/public/images/noirlab2521i/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">noirlab.edu/public/images/noir</span><span class="invisible">lab2521i/</span></a> </p><p><span class="h-card" translate="no"><a href="https://astrodon.social/@VRubinObs" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>VRubinObs</span></a></span> </p><p><a href="https://mastodon.social/tags/RubinFirstLook" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RubinFirstLook</span></a> <a href="https://mastodon.social/tags/CaptureTheCosmos" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CaptureTheCosmos</span></a> <a href="https://mastodon.social/tags/Astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astronomy</span></a> <a href="https://mastodon.social/tags/Astrophysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astrophysics</span></a> <a href="https://mastodon.social/tags/Astrodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astrodon</span></a> <a href="https://mastodon.social/tags/Rubin" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Rubin</span></a> <a href="https://mastodon.social/tags/observatory" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>observatory</span></a> <a href="https://mastodon.social/tags/RubinObservatory" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RubinObservatory</span></a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>science</span></a> <a href="https://mastodon.social/tags/telescope" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>telescope</span></a> <a href="https://mastodon.social/tags/Messier41" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Messier41</span></a> <a href="https://mastodon.social/tags/opencluster" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>opencluster</span></a> <a href="https://mastodon.social/tags/starcluster" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>starcluster</span></a> <a href="https://mastodon.social/tags/beehivecluster" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>beehivecluster</span></a> <a href="https://mastodon.social/tags/astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotography</span></a> <a href="https://mastodon.social/tags/nightskyphotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>nightskyphotography</span></a></p>
rdm<p>So I'm attending a tech conference in Munich this week - virtually. This means I am keeping CEST, and that lunchtime is 6pm local. </p><p>So at lunchtime, I set up my <a href="https://aus.social/tags/dwarf3" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>dwarf3</span></a> on the back roof, and let it run for the 'afternoon'. </p><p>My target was Messier 6 aka NGC6405 aka "The Butterfly Cluster". There is some very nice nebulosity right next to it. so I framed things a little off, and also got the smaller open clusters NGC6383 (aka NGC6374) and the tiny NGC6404.</p><p>I ended up with 240 frames out of 300, at 60s per frame - or 4 hours of usable data.</p><p>I then ran it through the Dwarflab postprocessing tools, and finished off with some work in Google photos and Snapseed. </p><p><a href="https://aus.social/tags/nebula" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>nebula</span></a> <a href="https://aus.social/tags/OpenCluster" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OpenCluster</span></a> <a href="https://aus.social/tags/M6" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>M6</span></a> <a href="https://aus.social/tags/NGC6383" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NGC6383</span></a> <a href="https://aus.social/tags/NGC6406" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NGC6406</span></a> <a href="https://aus.social/tags/Astrodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astrodon</span></a> <a href="https://aus.social/tags/Astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astronomy</span></a> <a href="https://aus.social/tags/astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotography</span></a> <a href="https://aus.social/tags/Scorpius" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Scorpius</span></a></p>
Daniel Pomarède<p>JWST Picture of the Month: the exotic stellar population of open cluster Westerlund 1</p><p>Credits: ESA/Webb, NASA & CSA, M. Zamani (ESA/Webb), M. G. Guarcello (INAF-OAPA) and the EWOCS team</p><p><a href="https://esawebb.org/images/potm2409a/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">esawebb.org/images/potm2409a/</span><span class="invisible"></span></a></p><p><a href="https://mastodon.social/tags/JWST" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>JWST</span></a> <a href="https://mastodon.social/tags/Webb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Webb</span></a> <a href="https://mastodon.social/tags/telescope" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>telescope</span></a> <a href="https://mastodon.social/tags/Astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astronomy</span></a> <a href="https://mastodon.social/tags/Astrophysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astrophysics</span></a> <a href="https://mastodon.social/tags/Astrodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astrodon</span></a> <a href="https://mastodon.social/tags/space" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>space</span></a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>science</span></a> <a href="https://mastodon.social/tags/STEM" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>STEM</span></a> <a href="https://mastodon.social/tags/stars" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>stars</span></a> <a href="https://mastodon.social/tags/opencluster" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>opencluster</span></a> <a href="https://mastodon.social/tags/Westerlund1" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Westerlund1</span></a> <a href="https://mastodon.social/tags/picture" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>picture</span></a> <a href="https://mastodon.social/tags/potm" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>potm</span></a></p>
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