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Contains:  NGC 3077, M 82, NGC 3034, M 81, Bode's nebulae, NGC 3031
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M81 - M82 and Ngc3077 with faint of IFN, 





    
        

            Marco Stra
M81 - M82 and Ngc3077 with faint of IFN

M81 - M82 and Ngc3077 with faint of IFN

Technical card

Resolution: 3358x2536

Dates:May 1, 2019May 23, 2019

Frames:Optolong CLS-CCD: 45x600" -20C bin 1x1

Integration: 7.5 hours

Darks: ~9

Flats: ~10

Bias: ~10

Avg. Moon age: 22.76 days

Avg. Moon phase: 45.22%

Mean SQM: 19.77

Temperature: 12.90

Astrometry.net job: 2713785

RA center: 149.019 degrees

DEC center: 69.293 degrees

Pixel scale: 1.950 arcsec/pixel

Orientation: 267.621 degrees

Field radius: 1.140 degrees

Locations: Home, AOSTA, Italy

Data source: Backyard

Comments

Author

MarcoSTRA
Marco Stra
License: None (All rights reserved)
751
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Revisions

  • M81 - M82 and Ngc3077 with faint of IFN, 





    
        

            Marco Stra
    Original
  • Final
    M81 - M82 and Ngc3077 with faint of IFN, 





    
        

            Marco Stra
    C

C

Rielaborato immagine con la funzione "ArcSinHStretch" consiglio di Cédric Bandelier

Sky plot

Sky plot

Histogram

M81 - M82 and Ngc3077 with faint of IFN, 





    
        

            Marco Stra

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The refractors!