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Contains:  M 82, NGC 3034, M 81, Bode's nebulae, NGC 3031

Image of the day 01/01/2020

Getting plate-solving status, please wait...
    M81 & M82 in LRGB-HA high definition, 





    
        

            Vincent F
    M81 & M82 in LRGB-HA high definition

    M81 & M82 in LRGB-HA high definition

    Technical card

    Resolution: 8921x6572

    Dates:Feb. 12, 2019Feb. 14, 2019March 2, 2019March 3, 2019March 5, 2019March 7, 2019March 8, 2019

    Frames:
    ZWO B 36mm: 25x180" -15C bin 1x1
    ZWO G 36mm: 23x180" -15C bin 1x1
    ZWO L 36mm: 230x120" -15C bin 1x1
    ZWO R 36mm: 24x180" -15C bin 1x1
    ZWO H-alpha 36mm: 132x180" (gain: 139.00) -15C bin 1x1

    Integration: 17.9 hours

    Darks: ~106

    Flats: ~31

    Bias: ~101

    Avg. Moon age: 14.20 days

    Avg. Moon phase: 20.09%

    Bortle Dark-Sky Scale: 2.22

    Astrometry.net job: 3133417

    RA center: 9h 55' 40"

    DEC center: +69° 22' 19"

    Pixel scale: 0.490 arcsec/pixel

    Orientation: 92.306 degrees

    Field radius: 0.754

    Locations: Champ du feu, Belmont, Alsace, France; Simiane-la-Rotonde, Simiane-la-Rotonde, France

    Data source: Traveller

    Description

    High selection of best pictures taking this winter in several nights, more than 4 hours "lost" because of clouds.
    But for the best picture, you have to only keep the best ;-)

    Thank you very much for this IOD, I wish you a happy new year to all astronomers and offer you a boosted luminance to better see the IFN! :-)

    Comments

    Author

    Astro-tuto
    Vincent F
    License: None (All rights reserved)
    212215
    Like

    Revisions

    • Final
      M81 & M82 in LRGB-HA high definition, 





    
        

            Vincent F
      Original
      M81 & M82 in LRGB-HA high definition, 





    
        

            Vincent F
      B
      M81 & M82 in LRGB-HA high definition, 





    
        

            Vincent F
      C
      M81 & M82 in LRGB-HA high definition, 





    
        

            Vincent F
      D
      M81 & M82 in LRGB-HA high definition, 





    
        

            Vincent F
      E

    B

    M82 CROP

    C

    M81 CROP

    D

    Luminance

    E

    Boosted luminance to see the IFN

    Sky plot

    Sky plot

    Histogram

    M81 & M82 in LRGB-HA high definition, 





    
        

            Vincent F