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    Wednesday, April 26, 2017

    Astronomy Adventure - Messier 47

    Messier 47 is another open cluster, this time in the constellation Puppis. It was "discovered" in the mid-1600s and added to Messier list in 1771. Under dark skies, it can be a naked eye object. Unfortunately, once again tracking and focusing was not perfect in this photo.


    Here are the technical details for those handful who might be interested:
    Scope: Starblast 4.5; tracking on, but clearly not perfectly polar aligned
    Magnification: ~25x
    Camera: iPhone6 using NightCapPro app; ISO 8000
    Processing: 2x10 sec. images stacked in Deep Sky Stacker; with darks; adjusted curves using GIMP

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