NGC 6888 (Crescent Nebula) and Nebulosity

This CCD image was taken with an ST10XME, 105 mm f/6 AP refractor on an AP 400 GOTO. Image acquisition was done with Sequencer by John Smith.  The image was processed with MaxIm and Photoshop.  The image is in H-a, 17 x 600 seconds.  It was taken from Rancho Del Sol Observatory, owned by Ken Crawford, in the Sierra Foothils at about 3,000' elevation.

The H-a filter is the 6nm filter produced by Don Goldman.