Name: M51
    Other names: Whirlpool Galaxy
    Description: Galaxy
    Ascension: h 13 : 29.9
    Declanation: +47 : 12
    Apparent diameter: 11*7 (arc min)
    Constellation: Canes Venatici
    Magnitude: 8.4
    Distance: 37 million light years
    Equipment: Meade ETX 90+mod toucam+focred0.66+extra lens
    Date / Time UTC: 19 february 2:30
    Stacked : 94 out of 180!
    Exposure time: 20 seconds
    Location: The Hague, The Netherlands
    Other info:

    This one was very difficult . Luminance is from ETX90,

    Color info is from other astrophoto.

     

    © Job Gehéniau

    http://www.jgeheniau.nl/etx90/astronomy2.html

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