The NGC 1973/1975/1977 is a reflection nebula 1/2 degree northeast of the Orion Nebula. The three NGC objects are divided by darker regions. It is also called the The Running Man Nebula and Sharpless Catalog 279.
Telescope:
TEC180FL Apochromatic Refractor Telescope
Camera:
Apogee U8300
Filters:
Astrodon LRGB
Mount
Paramount Me
Exposure:
Luminance: 7x10min Red: 4x10min Green: 4x10min Blue: 4x10min
Calibration:
Dark: 25x10min Flat: 25 frames at 8.500 ADU
Image Process:
MaxImDL CCDStack Photoshop CS3