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Mary McIntyre Astronomy<p><a href="https://astrodon.social/tags/ZodiacalLight" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ZodiacalLight</span></a> from <a href="https://astrodon.social/tags/Oxfordshire" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Oxfordshire</span></a>, UK on 25th Feb '25. It's the faint triangle of light that extends up from <a href="https://astrodon.social/tags/Venus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Venus</span></a> to the Pleiades, caused by sunlight reflecting off <a href="https://astrodon.social/tags/InterplanetaryDust" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>InterplanetaryDust</span></a>. It's a challenge from here because of increasing light pollution. 39x25sec + 20 darks, Canon 1100D +10mm lens. <a href="https://astrodon.social/tags/Jupiter" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Jupiter</span></a>, <a href="https://astrodon.social/tags/Uranus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Uranus</span></a>, <a href="https://astrodon.social/tags/M31" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>M31</span></a> the <a href="https://astrodon.social/tags/AndromedaGalaxy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AndromedaGalaxy</span></a> &amp; <a href="https://astrodon.social/tags/M33" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>M33</span></a> the <a href="https://astrodon.social/tags/TriangulumGalaxy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TriangulumGalaxy</span></a> are also visible in the image. Click to expand the image and see the labelled version alongside</p>
Dr. John Barentine FRAS<p>Is the origin of the 'unknown UV absorber' in the atmosphere of <a href="https://astrodon.social/tags/Venus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Venus</span></a> attributable to interplanetary dust particles? There are some signs that it may be. </p><p><a href="https://meetingorganizer.copernicus.org/EPSC2024/EPSC2024-284.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">meetingorganizer.copernicus.or</span><span class="invisible">g/EPSC2024/EPSC2024-284.html</span></a></p><p><a href="https://astrodon.social/tags/PlanetaryScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PlanetaryScience</span></a> <a href="https://astrodon.social/tags/PlanetaryAtmospheres" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PlanetaryAtmospheres</span></a> <a href="https://astrodon.social/tags/InterplanetaryDust" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>InterplanetaryDust</span></a> <a href="https://astrodon.social/tags/SolarSystem" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SolarSystem</span></a></p>
Mary McIntyre Astronomy<p>I had about an hour after sunset last night to try to capture the cone of <a href="https://astrodon.social/tags/ZodiacalLight" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ZodiacalLight</span></a> (sunlight illuminating <a href="https://astrodon.social/tags/InterplanetaryDust" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>InterplanetaryDust</span></a>) before the Moon rose &amp; I got it! Canon 1100D +10mm lens, 19 x 25sec ISO-1600 f/4.5. Stacked using <a href="https://astrodon.social/tags/Sequator" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Sequator</span></a> Oxfordshire, UK</p>
Daniel Fischer<p>SKYSURF-4 - Panchromatic <a href="https://scicomm.xyz/tags/Hubble" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Hubble</span></a> Space Telescope All-Sky Surface-brightness Measurement Methods and Results: <a href="https://iopscience.iop.org/article/10.3847/1538-3881/acccee" rel="nofollow noopener" target="_blank"><span class="invisible">https://</span><span class="ellipsis">iopscience.iop.org/article/10.</span><span class="invisible">3847/1538-3881/acccee</span></a> -&gt; <a href="https://scicomm.xyz/@JohnBarentine@astrodon.social/110397822040150322" rel="nofollow noopener" target="_blank"><span class="invisible">https://</span><span class="ellipsis">scicomm.xyz/@JohnBarentine@ast</span><span class="invisible">rodon.social/110397822040150322</span></a> (potential evidence for "the anisotropy of the scattering phase function of <a href="https://scicomm.xyz/tags/InterplanetaryDust" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>InterplanetaryDust</span></a>" or "an additional <a href="https://scicomm.xyz/tags/ZodiacalLight" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ZodiacalLight</span></a> component in the inner solar system").</p>