M108 (NGC 3556) - M97 (NGC 3587) (Uwe Deutermann)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: M 108 · M 97 · NGC 3556 · NGC 3587 · Owl nebula · PK148+57.1

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M108 (NGC 3556) - M97 (NGC 3587)

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M108 (NGC 3556) - M97 (NGC 3587)

I got my "old" Explore Scientific out again (for galaxy season) and since it was a moonless night I went for RGB imaging. Usually this is a bad idea in my neighborhood since the light pollution is quite severe, but luckily this area of the sky is not as bad. Was a funny feeling being back to the "beginnings", but I enjoyed it as much as the new Rasa. And ... I like the cleaner stars of the APO better, I still need to do something with the Rasa to be able to get the same results, it should be like that.

Some information about the objects:

M108:

Magnitude: 10.70

Id: NGC 3556

Surface brightness: 21.70

Dimension: 4.0 x 1.7 '

Class: Sc

M97:

Magnitude: 11.60

Id: NGC 3587

Dimension: 2.8 x 2.8 '

From: M108 to M97:

Separation: +00°48'14.5" PA:144°

B

Description: Some more processing in PI and PS to get a bit more out of the Messier objects.

Uploaded: ...

C

Description: Squeezed a bit more out of he B version, maybe I overdid some parts ...

Uploaded: ...

D

Description: A redo to see if the result can be improved, do not think that they have.

Uploaded: ...

E

Description: Next trial, working with starless images and merging different frames together.

Uploaded: ...

F

Description: Spikeless version, for some reason I do like those better.

Uploaded: ...

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Status	Advanced success
Started	...
Astrometry.net job	2630192
PixInsight job	VPH9ZEL8NXWA3982GMJRTUMXDZIMTERW
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	11h13m15s.19
RA (top/left)	11h08m19s.56
RA (top/right)	11h15m09s.80
RA (bottom/right)	11h18m11s.76
RA (bottom/left)	11h11m15s.75

Dec (center)	+55°24′44″.9
Dec (top/left)	+55°21′20″.2
Dec (top/right)	+54°45′46″.10
Dec (bottom/right)	+55°27′20″.7
Dec (bottom/left)	+56°03′24″.1

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M108 (NGC 3556) - M97 (NGC 3587)

M108 (NGC 3556) - M97 (NGC 3587)

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M108 (NGC 3556) - M97 (NGC 3587)

M108 (NGC 3556) - M97 (NGC 3587)

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