Pacman Nebula

The Pacman in Cassiopeia is another of those deep red nebulas that are currently challenging my imaging. Again it is an area of nebulosity illuminated by hot young stars. The gases emit a variety of light wavelengths but H-alpha emissions are very much in prevalence. Here’s an image ..

pacman-mstack_alumacorrecti

The nebula is designated NGC281 and is named for its rather reminiscent likeness to the hero of the 1980’s video game. The nebula required over 3.5 hours of exposure and some tricky processing to produce the image above.

 

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