M45 the Pleiades 4 panel mosaic (Norman Hey)

Celestial hemisphere: Northern · Constellation: Taurus (Tau) · Contains: 19 Tau) · 25 Tau) · Barnard's Merope Nebula · IC 349 · Maia Nebula · Merope Nebula · NGC 1432 · NGC 1435 · Sterope I (21 Tau) · The star 18 Tau · The star Alcyone (η Tau · The star Asterope · The star Atlas (27 Tau) · The star Celaeno (16 Tau) · The star Electra (17 Tau) · The star Merope (23 Tau) · The star Pleione (28 Tau) · The star Sterope II (22 Tau) · The star Taygeta (q Tau

M45 the Pleiades 4 panel mosaic, Norman Hey

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M45 the Pleiades 4 panel mosaic

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M45 the Pleiades 4 panel mosaic

The Pleiades is my favorite cluster, but not my favorite to capture or process! To get decent framing with my refractor, I went with a four panel mosaic and have been at it for several months. I don't think I will be ale to add any data to this project this season, so I had to go with the limited data set that I have.

This is about 2 hours of luminosity data per panel, but only 30 minutes each of red, green and blue, so pretty thin, but I just wanted to get something done! This is a challenging mosaic target with all of the nebulosity and star halos that result. A few adjustments were made in PMM and the results I think are fairly clean. I did use BlurXterminator with AI4, but not exactly as Russ suggested, just on the finished mosaic rather than on each panel. Long story about why not; suffice it to say I am happy with the results.

I found it hard to know how much dust and refIection to show--so much to show, how to choose the level? I kind of lost the detail of the wedge of the Merope nebula IC 349 in this final image, but am out of patience to try to recapture it as well as I did in some versions, quite honestly. It is going to have to wait for another kick at the Seven Sisters! But holy cow, there are a ton of galaxies hiding behind and around! Only a few are picked up with PI's PGC annotation engine. I would love to find a way to mark more of these. Any suggestions?

Posting this on Christmas Eve. Hoping all have a good holiday season and clearer skies in 2024.

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