NGC 2170

Combination of 5, 3 minute exposures unfiltered.
SBIG ST-1001E CCD. 20" f/6.8 Dall-Kirkham cassegrain telescope at prime focus.

NGC 2170 is the brightest patch in a large region of nebulosity, located about 8 degrees east of M42 in Monoceros. In the image above, the fainter patch of nebulosity to the left of NGC 2170 is Vdb 69, also known as Ced 66, while the larger patch above it is Vdb 68/Ced 65.

Combination of 10, 3 minute exposures using red, green and blue filters.
SBIG ST-9XE CCD. 5" f/5 refractor at prime focus.