M88 (LRGB) - 24 April 2022 (Geof Lewis)

Celestial hemisphere: Northern · Constellation: Coma Berenices (Com) · Contains: M 88 · NGC 4501 · PGC 169487 · PGC 169494 · PGC 169501 · PGC 169514 · PGC 41496 · PGC 41515 · PGC 41582 · PGC 41609

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M88 (LRGB) - 24 April 2022

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M88 (LRGB) - 24 April 2022

Another quick and dirty Virgo galaxy for my Messier collection. I had ongoing autofocus issue with the Moonlite focuser, which meant I captured even less data than I planned. However, I'm going to have to pull the Moonlite off the rig to try and diagnose the problem and probably won't get the camera orientation the same again without a lot of fiddling, so this is all I'm capturing on this target for now.

Original
B
C
Final
D

B

Description: Used curves to brighten the galaxy

Uploaded: ...

C

Description: Complete rework using an inverted L mask with a low pass frequency filter for NR in the background and an edge mask with high pass filter for sharpening the galaxy spirals. This was primarily a practice using a couple of new techniques I'd learned (or trying to learn).

Uploaded: ...

D

Title: Reprocessed using PixInsight.

Uploaded: ...

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Status	Advanced success
Started	...
Astrometry.net job	5762994
PixInsight job	7KHLZA1C7K3XBRQP4AW5O5WGILFHNS30
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	12h31m59s.999
RA (top/left)	12h31m13s.620
RA (top/right)	12h32m43s.800
RA (bottom/right)	12h32m46s.700
RA (bottom/left)	12h31m15s.821

Dec (center)	+14°25′12″.50
Dec (top/left)	+14°17′35″.71
Dec (top/right)	+14°16′41″.15
Dec (bottom/right)	+14°32′48″.14
Dec (bottom/left)	+14°33′42″.88

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M88 (LRGB) - 24 April 2022

M88 (LRGB) - 24 April 2022

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M88 (LRGB) - 24 April 2022

M88 (LRGB) - 24 April 2022

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