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    The Whirlpool Galaxy - M51

    Exposure Details
    Lens Sky-Watcher Esprit 150
    Focal Length 1050mm
    Focal Ratio F7
     
    Mount Paramount MX+
    Guiding Lodestar X2 Off-Axis Guiding
     
    Camera Starlight Xpress Trius SX694
    Exposure 9.5 Hrs Total Exposure - 300 second subs Ha, L, R, G and B
    Calibration 30 darks, no flats, 200 bias
     
    Date February 25th - February 26th of the year 2017
    Temperature -15 C Below Ambient
    SQM Reading Bortle 1
    Seeing Great
    Location DSOC Remote Observatory - Fort Davis, TX
     
    Software Used The SkyX, Sequence Generator Pro, PixInsight, PHD Guiding, Photoshop,
    Notes Nothing special to note here. I remember looking at this object many many times as a young boy through a telescope and have always wanted to image it. I finally had the chance!

     


© 2017 Astrophotography by Jerry Gardner