Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  NGC 5457  ·  NGC 5477

Image of the day 03/05/2013

    M101, 



    
        

            Dave (Photon)
    M101
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    M101

    Technical card

    Imaging telescopes or lenses: ASA10N-OK3 10" f/3.6 Newtonian Astrograph

    Imaging cameras: FLI ML8300

    Mounts: ASA DDM85X-SL

    Focal reducers: ASA Wynne 3" Corrector 0.95x - 3 KORRW

    Software: CCDStack  ·  Astrooptik - Dipl. Phys. Dr. Philipp Keller Sequence 9  ·  TheSkyX

    Filters: Astrodon Tru-Balance Generation 2 E-Series - L 50mm - NIR Blocked  ·  Astrodon Tru-Balance Generation 2 E-Series - R 50mm - NIR Blocked  ·  Astrodon Tru-Balance Generation 2 E-Series - G 50mm - NIR Blocked  ·  Astrodon Tru-Balance Generation 2 E-Series - B 50mm - NIR Blocked

    Accessory: FLI CFW-2-7 50mm round 7 position filter wheel


    Dates:Feb. 16, 2013

    Frames:
    Astrodon Tru-Balance Generation 2 E-Series - B 50mm - NIR Blocked: 13x300" (1h 5') (gain: 0.42) -35C bin 2x2
    Astrodon Tru-Balance Generation 2 E-Series - G 50mm - NIR Blocked: 13x300" (1h 5') (gain: 0.42) -35C bin 2x2
    Astrodon Tru-Balance Generation 2 E-Series - L 50mm - NIR Blocked: 12x600" (2h) (gain: 0.42) -35C bin 1x1
    Astrodon Tru-Balance Generation 2 E-Series - R 50mm - NIR Blocked: 13x300" (1h 5') (gain: 0.42) -35C bin 2x2

    Integration: 5h 15'

    Darks: ~50

    Bias: ~50

    Avg. Moon age: 6.16 days

    Avg. Moon phase: 37.14%

    Bortle Dark-Sky Scale: 2.00

    Mean SQM: 21.80


    Basic astrometry details

    Astrometry.net job: 90593

    RA center: 14h 3' 8"

    DEC center: +54° 19' 58"

    Pixel scale: 1.208 arcsec/pixel

    Orientation: -93.040 degrees

    Field radius: 0.637 degrees


    Resolution: 620x466

    Locations: SpaceIgloo Observatory, Williamson, AZ, United States

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    M101, 



    
        

            Dave (Photon)