Hemisphere:  Northern  ·  Contains:  Bode's nebulae  ·  M 81  ·  M 82  ·  NGC 2976  ·  NGC 3031  ·  NGC 3034  ·  NGC 3077  ·  The star 24UMa
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M81 and M82 - LRGB, 



    
        

            David Lindemann
M81 and M82 - LRGB
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M81 and M82 - LRGB

Technical card

Imaging telescopes or lenses: Takahashi FSQ106 modified with Optec Gemini Focuser/Rotator and ONAG XT

Imaging cameras: Andor Alta F16M

Mounts: 10micron GM2000 HPS II GM2000

Guiding telescopes or lenses: Takahashi FSQ106 modified with Optec Gemini Focuser/Rotator and ONAG XT

Guiding cameras: Atik 16IC

Software: PixInsight 1.8  ·  CCDWare CCDStack 2.90  ·  Diffraction Limited MaximDL 6.13  ·  ADOBE Photoshop CC 2017  ·  SkySurveyor

Filters: Astrondon LRGB E-series 49.7 unmounted square

Accessory: Apogee Filter Wheel AI-FW50-7S


Dates:March 31, 2019

Frames: 66x300"

Integration: 5.5 hours

Avg. Moon age: 25.12 days

Avg. Moon phase: 20.45%


Basic astrometry details

Astrometry.net job: 2631979

RA center: 9h 53' 47"

DEC center: +69° 6' 3"

Pixel scale: 3.495 arcsec/pixel

Orientation: 3.554 degrees

Field radius: 2.725 degrees


Resolution: 1824x1751

Locations: Observatoire personnel, Vérossaz, Valais, Switzerland

Data source: Backyard

Comments

Author

dlindemann
David Lindemann
License: None (All rights reserved)
2121
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Revisions

  • M81 and M82 - LRGB, 



    
        

            David Lindemann
    Original
  • M81 and M82 - LRGB, 



    
        

            David Lindemann
    B
  • Final
    M81 and M82 - LRGB, 



    
        

            David Lindemann
    C

B

Description: Color noise reduction + background enhancement

C

Description: M81 desaturated colors

Sky plot

Sky plot

Histogram

M81 and M82 - LRGB, 



    
        

            David Lindemann