M14 (NGC 6402) is a globular cluster found in the constellation of Ophiuchus (the Serpent Holder). It is at a distance of 30 thousand light years, has a magnitude of 7.6, and spans 12 arc-min of sky.  It was discovered by Charles Messier in 1764.  It is said that this is the first astronomical object whose image was taken by a CCD camera.

The image above was taken with the 12" LX200, AO7, and ST-8E camera at f/6.3 on July 3rd 2003 at home from the Mistletoe Observatory.  It is an RGB image (as detailed below) with a total exposure time of 40 min.  Calibration and alignment were done in MaxIm DL. Final contrast curves were set in Photoshop.


Exposure Count Binning
Red 10 min 2 x 5 min 2x2
Green 10 min 2 x 5 min 2x2
Blue 20 min 4 x 5 min 2x2