M 47

About image

M 47 is a bright open cluster visible in the constellation of Puppis, with an angular extension equal to that of the full moon. 

M 47 comprises about 50 stars and is located at a distance of 1,600 light years from Earth; its estimated age is around 78 million years, resulting in a fairly young cluster. It is about one degree away from the open cluster M 46.

Technical data
Optic                         Tecnosky Apo Refractor LT 130 - 910mm f/7
Mount        10Micron GM2000 HPSII
Camera         Moravian G3-16200 with external filter wheel 7 positions
Filters         Baader RGB 50.8 unmounted
Guiding system       OAG Moravian M68 with guide camera Moravian G1-0301
Exposure details     R 8x300" bin1 -20C
           G 7x300" bin1 -20C
                         B 8x300" bin1 -20C
Total integration     1.9h
Acquisition      Voyager, PHD2
Processing      Pixinsight 1.8, Photoshop CS5
SQM-L       21.10    
Location       Promiod (Aosta Valley, Italy), own remote observatory
Date       10 February 2018


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