NGC 2174 Monkey Head Nebula in Narrowband
Copyright 2012
Larry Phillips
NGC 2174 Monkey Head Nebula in the constellation Orion

I used the HSO narrowband color palette with Ha in red, SII in green, and OIII in blue.

Distance: 6400 light years
Size: N/A
Camera: SBIG ST-10XME
Telescope: Astrophysics Starfire 140 EDT F7.5
Mount: Astro-Physics Mach1 GTO with Advanced Telescope Systems portable pier
Images: 45 subexposures of 15 minutes each with 17 of Ha in red, 12 of SII in green, and 16 of OIII in blue for a total of 11 hours & 15 minutes.
Date: March 2012
Software: Camera, mount, and guider control - CCD Commander & MaximDL; calibration, stacking, & RGB creation in CCDStack, and further processing in Photoshop CS5.