M 47

M47 (also catalogued as NGC 2422) is an open cluster in the constellation Puppis. M47 contains about 50 stars and is at a distance of about 1,600 light-years from Earth. Its age is estimated to be about 78 million years. The image was taken remotely from the remote controlled IRIDA Observatory .


Technical Details:

Optics: ASA N12 Astrograph at F/3.6
Mount: ASA DDM 85
Camera: SBIG STL-11000M
Filters: Astronomik LRGB filter set
Dates/Times: 24 November 2012
Location: Rozhen, IRIDA Remote Observatory
Exposure Details: R = 16 min. G = 16 min., B = 16 min.
Subexposures: 2 minutes
Acquisition: CCD Soft
Processing: PixInsight, Photoshop CS

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