Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  NGC 4627  ·  NGC 4631  ·  NGC 4656  ·  NGC 4657  ·  Whale Galaxy
Getting plate-solving status, please wait...
NGC 4631 + 4656/57 Whale and Hockey Stick Galaxy, 



    
        

            Gerhard Zahler-Treiber
NGC 4631 + 4656/57 Whale and Hockey Stick Galaxy
Powered byPixInsight

NGC 4631 + 4656/57 Whale and Hockey Stick Galaxy

Getting plate-solving status, please wait...
NGC 4631 + 4656/57 Whale and Hockey Stick Galaxy, 



    
        

            Gerhard Zahler-Treiber
NGC 4631 + 4656/57 Whale and Hockey Stick Galaxy
Powered byPixInsight

NGC 4631 + 4656/57 Whale and Hockey Stick Galaxy

Acquisition details

Dates:
May 30, 2022
Frames:
Astrodon Gen2E Tru-Balance 50x50 LRGB: 65×300(5h 25′) -20°C bin 1×1
Integration:
5h 25′
Darks:
20
Flats:
20
Flat darks:
20
Bias:
20
Avg. Moon age:
0.02 days
Avg. Moon phase:
0.00%
Bortle Dark-Sky Scale:
4.00
Mean SQM:
21.60

Basic astrometry details

Astrometry.net job: 5815166

RA center: 12h42m42s.2

DEC center: +32°2128

Pixel scale: 0.935 arcsec/pixel

Orientation: 180.239 degrees

Field radius: 0.524 degrees

Resolution: 3289x2337

File size: 3.1 MB

Locations: ROSA Remote Observatory, Verclause, Rhone-Alpes, France

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

Between my first summer objects I went back to the spring sky and finished the galaxy season with the Whale and the Hockey Stick Galaxy. Because the nights become shorter the exposure time in two nights was short in comparison to the winter.

Comments

Sky plot

Sky plot

Histogram

NGC 4631 + 4656/57 Whale and Hockey Stick Galaxy, 



    
        

            Gerhard Zahler-Treiber

In these public groups

Austria Astrophotography