area nearby ng4725 - 3 nights exposing at short focal length (Stefano Ciapetti)

Celestial hemisphere: Northern · Constellation: Coma Berenices (Com) · Contains: IC 831 · NGC 4712 · NGC 4725 · NGC 4747

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area nearby ng4725 - 3 nights exposing at short focal length

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area nearby ng4725 - 3 nights exposing at short focal length

This image is the some of 2 nights exposures (5th and 6th of April) with an unmodded Nikon d5300 and a TS65F (around 300 120secs unguided exposure at iso 1600) and 1 night (22nd of May) with an Acuter 90-900ed + FR AP 6.7 and a modded Canon 600d (110 120 secs unguided exposures).

Stacking and some processing (star elongation correction) done with Astroart. Combination has been done using AstroPixel processor. First time using this software.

I will try to use this color information to match with this mono image, taken with the Newton 250 F 3.9

https://www.astrobin.com/n9tqcw/?nc=user

Image shows a very bad background. I have deliberately decided to leave it as it is. I have seen that most of the time I was trying to correct it, some details of ngc 4725 were removed.

NGC 4725 is an intermediate barred spiral galaxy with a prominent ring structure about 40 million light-years away in the constellation Coma Berenices. NGC 4725 is a Seyfert Galaxy, suggesting an active galactic nucleus containing a supermassive black hole.

NGC 4725 is the brightest member of the Coma I Group. (Wikipedia)

Thanks for looking

Suburban Astrophotography
Imagers of Italy

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Status	Advanced success
Started	...
Astrometry.net job	3551594
PixInsight job	Z7QSTZ6EI8HO7VSC3NMF3W83K6GNC6Y7
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	12h51m03s.51
RA (top/left)	12h48m42s.79
RA (top/right)	12h48m14s.90
RA (bottom/right)	12h53m26s.19
RA (bottom/left)	12h53m50s.69

Dec (center)	+25°40′01″.6
Dec (top/left)	+24°48′24″.2
Dec (top/right)	+26°27′13″.9
Dec (bottom/right)	+26°31′29″.3
Dec (bottom/left)	+24°52′37″.6

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area nearby ng4725 - 3 nights exposing at short focal length

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