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Contains:  M 81, Bode's nebulae, NGC 3031
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M 81, 





    
        

            Lepidopterous
M 81

M 81

Technical card

Imaging telescopes or lenses:SkyWatcher 200/1000 F5 Newton250mm F/4 Photonewton

Imaging cameras:QHY163MQHY10

Mount:Synta EQ6

Guiding telescope or lens:Off axis guider

Guiding camera:QHYCCD QHY5-II-M

Focal reducer:ASA 2" Newton Koma Korrektor Quattro 1,175x

Software:PHD GuidingDSSPhotoshopMaxim DL 5Fitstacker

Resolution: 1409x1348

Dates:March 10, 2016March 14, 2017

Frames:
31x180"
21x600"
Optolong L: 123x30"
Optolong RGB: 66x60"

Integration: 7.2 hours

Avg. Moon age: 9.11 days

Avg. Moon phase: 49.66%

Astrometry.net job: 1635500

RA center: 148.896 degrees

DEC center: 69.071 degrees

Pixel scale: 1.347 arcsec/pixel

Orientation: -156.624 degrees

Field radius: 0.365 degrees

Description


Data of the past and this year.

Comments

Author

Lepidopterous
Lepidopterous
License: Attribution-NonCommercial-ShareAlike Creative Commons
5323
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Revisions

  • M 81, 





    
        

            Lepidopterous
    Original
  • M 81, 





    
        

            Lepidopterous
    D
  • M 81, 





    
        

            Lepidopterous
    E
  • Final
    M 81, 





    
        

            Lepidopterous
    F

Sky plot

Sky plot

Histogram

M 81, 





    
        

            Lepidopterous