M45 the Pleiades (palaback)

Celestial hemisphere: Northern · Constellation: Taurus (Tau) · Contains: Barnard's Merope Nebula · IC 349 · Maia Nebula · Merope Nebula · NGC 1432 · NGC 1435 · The star 18Tau · The star Atlas (27Tau) · The star Celaeno (16Tau) · The star Electra (17Tau) · The star Merope (23Tau) · The star Pleione (28Tau) · The star Sterope I (21Tau) · The star Taygeta (19Tau) · The star ηTau

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M45 the Pleiades

Revision title: Revised M45 with 12 hours of data

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M45 the Pleiades

Revision title: Revised M45 with 12 hours of data

This is my latest version of the Pleiades, one of my favorite deep sky objects, also known as Subaru or the Seven Sisters. Its only approx 400 light years away, quite recent in origin, and still where many new stars are being formed. Its a reflection nebula so gets its color from the bright young blue stars within the nebula. There is extensive dust in the area which you can begin to see with this long exposure. There is some scientific debate over the association of this dust with these stars. They look like all part of one system, but it could be these stars just happen to be in same part of sky as this dust, but not of the same origin. In a more remote darker sky more dust would be visible. I am still happy with how much I was able to detect within city limits in my backyard. By comparing with my image from 2019 you can see the big difference a longer integration time makes. The 2019 image was only 50 minutes, this one is close to 6 (12 in revision) hours. So while many stars were blown out or bloated in my previous image, in this one you can see much fine detail, including a spiral galaxy (UGC 2838, magnitude 17.8!) over 280 MILLION light years away, even though it was only taken with a 3 1/2' diameter scope. The intense radiation from these bright young stars creates radiation pressure on the surrounding nebula creating these interesting striations in the gas and dust.

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Title: Revised M45 with 12 hours of data

Description: Revision of image with better processing (still learning a lot about photoshop) and added one more nights data so now have 12 hours of data to better show details of nebula, now star colors are better as well.

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M45 the Pleiades

Revision title: Revised M45 with 12 hours of data

M45 the Pleiades

Revision title: Revised M45 with 12 hours of data

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M45 the Pleiades

Revision title: Revised M45 with 12 hours of data

M45 the Pleiades

Revision title: Revised M45 with 12 hours of data

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