Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's nebulae  ·  M 81  ·  NGC 3031

Image of the day 05/01/2017

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    M 81 and IFN, 



    
        

            Steve Cooper
    M 81 and IFN
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    Technical card

    Imaging telescopes or lenses: RC Optical Systems RCOS 14.5"  ·  Astro-Tech 16 RCT

    Imaging cameras: SBIG STX 16803  ·  SBIG STXL 6303 AO-X

    Mounts: Paramount ME  ·  Astro-Physics 1200 GTO

    Focal reducers: Astro-Physics 27TVPH .75 reducer/corrector

    Software: PixInsight 1.8  ·  CCDStack2  ·  CCD Navigator 3  ·  FocusMax  ·  MaxIm DL Pro 6

    Filters: Astrodon Lum  ·  Astrodon Red Tru-Balance E-Series Gen 2  ·  Astrodon Blue Tru-Balance E-Series Gen 2  ·  Astrodon Green Tru-Balance E-Series Gen 2

    Accessory: FLI Atlas Focuser


    Frames:
    Astrodon Blue Tru-Balance E-Series Gen 2: 23x900" bin 1x1
    Astrodon Green Tru-Balance E-Series Gen 2: 21x900" bin 1x1
    Astrodon Lum: 25x1200" bin 1x1
    Astrodon Lum: 66x600" bin 1x1
    Astrodon Red Tru-Balance E-Series Gen 2: 24x900" bin 1x1

    Integration: 36.3 hours


    Basic astrometry details

    Astrometry.net job: 1551423

    RA center: 9h 55' 34"

    DEC center: +69° 3' 57"

    Pixel scale: 0.746 arcsec/pixel

    Orientation: 132.996 degrees

    Field radius: 0.366 degrees


    Resolution: 1445x1019

    Data source: Mix of multiple source

    Description

    M 81; Bode's Galaxy and Integrated Flux Nebula

    11 hrs of Lum taken with my AT 16RCT and SBIG STXL 6303 from Stardust Ranch; Okeechobee FL. and
    8.3 hrs Lum plus 6 hrs R, 5.25 hrs G, and 5.75 hrs B taken with a 14.5 RCOS and SBIG STL 16803 from Deep Sky West observatory; Rowe, New Mexico

    "The heavens declare the glory of God; the skies proclaim the work of his hands." Psalm 19:1 NIV

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    M 81 and IFN, 



    
        

            Steve Cooper

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