Pleiades (M45) (Colm O'Dwyer)

Celestial hemisphere: Northern · Constellation: Taurus (Tau) · Contains: 16 Tau · 17 Tau · 19 Tau) · 19 q Tau · 20 Tau · 21 Tau · 22 Tau · 23 Tau · 24 Tau · 25 Tau) · 25 eta Tau · 26 Tau · 27 Tau · 28 Tau · Alcyone · Asterope · Atlas · Barnard's Merope Nebula · Celaeno · Electra · HD23061 · HD23156 · HD23157 · HD23158 · HD23194 · HD23246 · HD23247 · HD23325 · HD23326 · HD23361 · And 65 more.

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Pleiades (M45)

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Pleiades (M45)

I found this data on a hard-drive I needed for something completely different. I decided to take another quick look using Siril with its nice GHS implementation. M45 take with the Sharpstar 15028HNT at f/2.8 after some modifications to fix a turned down edge that was not masked by the prioprietary mirror cell retaining ring, and it worked a treat.
120s exposures with the ASI2600MC, but at gain 100. Experience since then with the Epsilon 130D showed me that for these fast mirrors, Gain 0 with a good full well is much better for 2 and 3 min subs in broadband in my skies (B6/7). It looks like I had dodgy flats for this stack, background is a bit blotchy, but nice working with a motherload of diffraction spikes for a few moments

Original
Final
B

Fast Newtonians
The OSC Club (One Shot Camera)
ZWO ASI 2600MC PRO
Broadband under Bortle 7/8/9

All images
Star Clusters

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Unknown

The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

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Status	Advanced success
Started	...
Astrometry.net job	8724605
PixInsight job	IXS5ENI4N5G7G3JBC9UCILYVC44O9VHA
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	03h46m32s.30
RA (top/left)	03h42m28s.23
RA (top/right)	03h43m18s.92
RA (bottom/right)	03h50m33s.93
RA (bottom/left)	03h49m47s.81

Dec (center)	+24°06′37″.3
Dec (top/left)	+24°39′18″.2
Dec (top/right)	+23°19′46″.2
Dec (bottom/right)	+23°33′30″.9
Dec (bottom/left)	+24°53′14″.2

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Pleiades (M45)

Pleiades (M45)

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Pleiades (M45)

Pleiades (M45)

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