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Contains:  NGC 5477, NGC 5473, M 101, NGC 5457
Getting plate-solving status, please wait...
M101, 





    
        

            SJK
M101

M101

Technical card

Resolution: 5280x3456

Dates:April 6, 2018

Frames: 230x40" (gain: 100.00) -20C bin 1x1

Integration: 2.6 hours

Darks: ~50

Flats: ~50

Bias: ~300

Avg. Moon age: 20.53 days

Avg. Moon phase: 66.89%

Bortle Dark-Sky Scale: 7.00

Mean SQM: 19.08

Mean FWHM: 4.00

Astrometry.net job: 2000717

RA center: 210.837 degrees

DEC center: 54.358 degrees

Pixel scale: 0.826 arcsec/pixel

Orientation: 289.397 degrees

Field radius: 0.724 degrees

Locations: Home, Genève, Switzerland

Data source: Backyard

Comments

Author

SJK
SJK
License: Attribution Creative Commons
4110
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Revisions

  • M101, 





    
        

            SJK
    Original
  • Final
    M101, 





    
        

            SJK
    B
  • M101, 





    
        

            SJK
    C
  • M101, 





    
        

            SJK
    D
  • M101, 





    
        

            SJK
    E
  • M101, 





    
        

            SJK
    F

C

Previous session Gain 100 R 55x40sec, G 48x40sec, B 41x40sec,L 86x40sec Added new session with Gain 250 R 74x20sec, G 76x20, B 76x20, L 135x20

F

Combined with Luminance with Paracorr

Sky plot

Sky plot

Histogram

M101, 





    
        

            SJK