NGC 7635 and M52 (Tom Engwall)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: Bubble Nebula · LBN 548 · LBN 549 · M 52 · NGC 7635 · NGC 7654 · PK112-00.1 · Sh2-162

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NGC 7635 and M52

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NGC 7635 and M52

I am pleased that I was able to get NGC 7635 (i.e. the Bubble Nebula) and M52 in the same frame. I just think that it makes for an intersting image. The sope used to acquire this image was an Esprit 150 which has a focal length of 1050 mm. That has turned out to be a useful focal length for me. It's kind of intermediate, so I can get both nebulas and some galaxies. Of course, there hahave been times wehn I wished for a shorter or longer focal length but this is working out pretty good for me. I will have to do mosacis on bigger nebulas, so thats a downside but Im imaging Markarian's Chain (Virgo Cluster) in a two panel mosaic right now and that seems to be feasible. As I look at this imnage , I think it would have benefited from some luminance subs. Possibly i wiill add that next fall.

As for processing this image, I did most of the work on the Starless image - using Starnet2 in Pixinsight. That certainly is a great way to work on the image without messing up the stars. I did dim down the stars a little bit with a HT prior to adding them back and I like that effect as well.

Ha 145 X 180
R 157 X 180
G 105 X 180
B 125 X 180

Total 26.5 hours

Images aquired September and October of 2021

PixelSkiesAstro

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Status	Advanced success
Started	...
Astrometry.net job	5675169
PixInsight job	MRAP6N8ZOW653GFUAZSC6ZD6XEZEDJZF
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h22m00s.262
RA (top/left)	23h25m23s.530
RA (top/right)	23h25m29s.186
RA (bottom/right)	23h18m29s.315
RA (bottom/left)	23h18m39s.333

Dec (center)	+61°13′55″.39
Dec (top/left)	+60°36′45″.29
Dec (top/right)	+61°50′59″.99
Dec (bottom/right)	+61°50′49″.35
Dec (bottom/left)	+60°36′30″.54

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NGC 7635 and M52

NGC 7635 and M52

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