Rosette Nebula, NGC 2237
Copyright 2011
Larry Phillips
 Rosette Nebula in the constellation Monoceros

Cataloged as NGC 2237

Emission and/or reflection nebula with an open cluster (NGC 2244) at its center. This is a vast cloud of dust and gas extending over an area of more than 1 degree across, or about 5 times the area covered by the full moon. This image only shows the central most portion and is better imaged with a shorter focal length telescope or a mosaic of several images.

Distance: 5500 light years
Camera: SBIG ST-2000XM
Telescope: Astrophysics Starfire 130 EDT F8
Mount: Losmandy G11 with Gemini Control with Advanced Telescope Systems portable pier
Images: 10 luminance @ 5 minutes each, 10 red @ 5 minutes each, 10 Green @ 5 minutes each, 10 Blue @ 5 minutes each for a total exposure time of 200 minutes.
Date: November 2007
Software: Camera and guider control - CCDSoft, calibration, stacking, & creation of color image - CCDStack, further processing in Photoshop CS2.