AstroPhotography by Dan Richey

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Messier 29 (also known as M 29 or NGC 6913) is an open cluster in the Cygnus constellation. It was discovered by Charles Messier in 1764, and can be seen from Earth by using binoculars. M29 is situated in the highly crowded area of Milky Way near Gamma Cygni, at a distance of 7,200 (most sources including Mallas/Kreimer and Burnham, and agreeing with early estimates or R.J. Trumpler 1930) or 4,000 light years (the latter from Kenneth Glyn Jones and the Sky Catalogue 2000.0). The Night Sky Observer's Guide by Kepple and Sanner gives a deviating value of 6,000 light years – the uncertainty due to inaccurately known absorption of the cluster's light.

Object Information

Name M29
Type Open Cluster
Constellation Cygnus
Catalogue NGC 6913

Acquisition / Processing

Exposure L - 15 x 240 sec Bin 1
RGB - 8 x 240 sec (each) Bin 2
Total 2.60 Hr
Telescope AP 160 @ f7.7
Camera SBIG STF-8300
Camera Temp -22ºC
Guiding SBIG SG4 / AP 105
Mount AP 900GTO
Filters Astrodon-Gen 2 LRGB
Processing Processed with CCDStack, including streching. No additions in Lightroom.
Location San Pedro Creek, NM
Date November 9, 2013

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