The Horsehead Nebula in One-Shot-Color

Zoomify viewer | Click and drag with the mouse to move. Use Shift and Ctrl keys to zoom.

Telescope: 20" RCOS f6.7
Mount: Paramount ME
Camera: STL-11000XMC

Exposure time: 24 hours (15 minute sub-frames)
Software used: CCDOps, CCDSharp, RegiStar, PhotoShop CS2, PTGui
Site: New Mexico Skies Observatory - Mayhill, N.M.

Image © Ryan M. Hannahoe