PK164+31.1 in OSH Palette
Copyright 2011
Larry Phillips
PK164+31.1, a planetary nebula in the constellation Lynx

PK stands for Perek & Kohoutec of Czechoslovakia who created a catalog of the more obscure planetary nebulas

This is a narrowband image using the OSH palette

Size: NA (Likely only a couple thousand or less light years away)
Camera: SBIG ST-2000XM
Telescope: Astrophysics Starfire 140 EDT F7.5
Mount: Astro-Physics Mach1 GTO with Advanced Telescope Systems portable pier
Images: 24 subexposures of 20 minutes each with 11 Ha, 7 OIII, and 6 SII for a total of 8 hours
Date: March 2010
Software: Camera, mount, and guider control - CCD Commander & MaximDL, calibration and stacking - CCDStack, further processing in Photoshop CS4.