Hemisphere:  Northern  ·  Constellation: Coma Berenices (Com)  ·  Contains:  NGC 4651  ·  Umbrella Galaxy
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NGC4651 the umbrella galaxy, 



    
        

            Caroline Berger
NGC4651 the umbrella galaxy
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NGC4651 the umbrella galaxy

Getting plate-solving status, please wait...
NGC4651 the umbrella galaxy, 



    
        

            Caroline Berger
NGC4651 the umbrella galaxy
Powered byPixInsight

NGC4651 the umbrella galaxy

Technical card

Imaging telescopes or lenses: Skywatcher 200/1000

Imaging cameras: Zwo Asi183mm pro

Mounts: HEQ5 Pro Synscan

Software: Photoshop CC 2014 Post traitement  ·  IRIS Prétraitement

Filters: Baader R 1.25'' CCD Filter  ·  Baader B 1.25'' CCD Filter  ·  Baader G 1.25'' CCD Filter  ·  Baader Moon & Skyglow 2"  ·  Baader HAlpha ccd 7nm 2''


Dates:May 23, 2020May 24, 2020May 25, 2020

Frames:
Baader B 1.25'' CCD Filter: 30x120" (1h) (gain: 75.00) -10C bin 1x1
Baader G 1.25'' CCD Filter: 25x120" (50') (gain: 75.00) -10C bin 1x1
Baader HAlpha ccd 7nm 2'': 13x180" (39') (gain: 75.00) -10C bin 1x1
Baader Moon & Skyglow 2": 53x180" (2h 39') (gain: 75.00) -10C bin 1x1
Baader Moon & Skyglow 2": 21x300" (1h 45') (gain: 75.00) -10C bin 1x1
Baader R 1.25'' CCD Filter: 30x120" (1h) (gain: 75.00) -10C bin 1x1

Integration: 7h 53'

Avg. Moon age: 1.68 days

Avg. Moon phase: 3.80%

Bortle Dark-Sky Scale: 4.86


Basic astrometry details

Astrometry.net job: 3552451

RA center: 12h 43' 40"

DEC center: +16° 23' 9"

Pixel scale: 0.491 arcsec/pixel

Orientation: 214.244 degrees

Field radius: 0.374 degrees


Resolution: 4698x2815

Data source: Traveller

Description

This is a rarely imaged object, and with a good reason, the bow-like extension (eating another galaxy) is extremely faint.

Luminance is: 3h under 21.7 sqm

1h30+rgb and ha under my Bortle 6.

Comments

Sky plot

Sky plot

Histogram

NGC4651 the umbrella galaxy, 



    
        

            Caroline Berger