NGC 4725 (LRGB) (Ruediger)

Celestial hemisphere: Northern · Constellation: Coma Berenices (Com) · Contains: LAMOSTJ124949.97+254612.3 · MQ J124941.57+253835.1 · MQ J124942.86+253441.9 · MQ J125001.41+252816.0 · MQ J125002.45+254057.1 · MQ J125009.72+254102.4 · MQ J125013.76+253520.5 · MQ J125020.74+252016.1 · MQ J125021.14+251916.3 · MQ J125029.75+251539.9 · MQ J125035.91+254240.0 · MQ J125056.26+254107.6 · MQ J125108.19+253842.2 · MQ J125110.86+253342.0 · MQ J125122.62+253503.8 · NGC 4712 · NGC 4725 · PGC 1731016 · PGC 1731441 · PGC 1732526 · PGC 1734926 · PGC 1735228 · PGC 1744717 · PGC 1745311 · PGC 1745518 · PGC 1745906 · PGC 1746001 · PGC 1749910 · PGC 3089515 · PGC 86434 · And 30 more.

Image of the day 03/15/2022

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NGC 4725 (LRGB)

Revision title: Removed remaining gradient

Image of the day 03/15/2022

Powered byPixInsight

NGC 4725 (LRGB)

Revision title: Removed remaining gradient

Hello Friends,

this image was shot along with my other image of NGC 3718 during 5 nights. The conditions were also quite mixed. In order to get a decent image it required a lot of data. Shooting unguided helped here a lot not introducing errors due to seeing impacted guiding.

I have compared my result to some other images on AB, but my result differs in some ways, which made me scratch my head. Not sure why it is different, but it is... Well...magic.

I have not cropped the image, since there are so many small and faint galaxies in the background. This is like searching for Easter Eggs.

May I also draw your attention to the small galaxy very down: NGC4712. This is like a small gem even revealing some details. It has an approx. diameter of 135.000 light years and is 60Mpc away, whereas the big brother is 170.000 light years wide and approx. 54 Mpc away. NGC 4725 has an active nucleus, indicating an active super massive black hole.

Also a nice tiny gem is the galaxy PGC086434 on the right lower side.

Actually there are many tiny surprises. I have stopped counting

Please enjoy!

CS
Rüdiger

Original
B
Final
C

B

Title: Annotated raw L stack using PGC

Description: As requested from the comments, I have uploaded an annotated version of the RAW LUM stack (no processing at all - just solved and annotated in PI).
Unfortunately PGC does not contain all galaxies visible the image. There are many more than indicated.

Uploaded: ...

C

Title: Removed remaining gradient

Uploaded: ...

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Status	Advanced success
Started	...
Astrometry.net job	5590881
PixInsight job	161LRDUEVNFQFJCXYUXBWFGPIJWM0KBQ
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	12h50m24s.499
RA (top/left)	12h51m25s.844
RA (top/right)	12h51m27s.216
RA (bottom/right)	12h49m22s.872
RA (bottom/left)	12h49m22s.740

Dec (center)	+25°32′17″.52
Dec (top/left)	+25°13′21″.29
Dec (top/right)	+25°50′56″.69
Dec (bottom/right)	+25°51′07″.52
Dec (bottom/left)	+25°13′32″.16

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Image of the day 03/15/2022

NGC 4725 (LRGB)

Revision title: Removed remaining gradient

Image of the day 03/15/2022

NGC 4725 (LRGB)

Revision title: Removed remaining gradient

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Image of the day 03/15/2022

NGC 4725 (LRGB)

Revision title: Removed remaining gradient

Image of the day 03/15/2022

NGC 4725 (LRGB)

Revision title: Removed remaining gradient

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