Cosmic perspective : M97 deep version & M108 (Jean-Baptiste Auroux)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: M 108 · M 97 · NGC 3556 · NGC 3587 · NGC 3594 · Owl Nebula · PK148+57.1

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Cosmic perspective : M97 deep version & M108

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Cosmic perspective : M97 deep version & M108

A classic of the spring sky: the duo of the galaxy M108 with the Owl planetary nebula (M97) in Ursa Major.

M97 is 2000 LY away, while M108 is 32 millions LY away (16.000 times more distant).

I completed the LRGB with exposures with Ha and especially OIII, in order to gain signal on M97: the much more faint outer ring of M97, not so often seen, is visible. Some pretty little galaxies are also visible in the background !

This image was awarded AAPOD2 (27th April 2021).

Final
Original
B
C

B

Description: OIII layer, showing the outer ring of M97.
Raw file + STF for visualization.

Uploaded: ...

C

Description: AAPOD² celebration ! :) (27/04/2021)
https://www.aapod2.com/blog/cosmic-perspective-pn-m97-amp-m108

Uploaded: ...

AAA : Astronomes et Astrographes Amateurs

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Status	Advanced success
Started	...
Astrometry.net job	4405298
PixInsight job	CL998Y6PSSAOUCQTJL1BGZOGR8KHKEZO
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	11h13m03s.30
RA (top/left)	11h09m31s.17
RA (top/right)	11h17m39s.42
RA (bottom/right)	11h16m29s.62
RA (bottom/left)	11h08m32s.18

Dec (center)	+55°20′10″.9
Dec (top/left)	+55°53′13″.0
Dec (top/right)	+55°41′39″.2
Dec (bottom/right)	+54°46′46″.3
Dec (bottom/left)	+54°58′04″.5

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Cosmic perspective : M97 deep version & M108

Cosmic perspective : M97 deep version & M108

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Cosmic perspective : M97 deep version & M108

Cosmic perspective : M97 deep version & M108

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