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Part of NGC 1977, or the 'Running Man' Nebula in Orion.  Another one of those nebulae near to, but overshadowed by M42, but with great beauty and interest in its own right.

 

Image info

Telescope:  Skywatcher 8" f/5 Newtonian

Focus:  Prime focus

Camera:  SAC7B, uncooled

Exposure:  unrecorded, mosaic of 2 images 

Date:  24th Jan 2003

Processing:  Acquired in Astrovideo as FITS.  Stacked in Iris.  Exported to Photoshop as R, G, B raws.  Mosaic and colour saturation enhancement in Photoshop.  Notice the pear-shaped bright stars - a result of poor collimation!

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