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M78 Casper Nebula

Messier 78 or NGC 2068, also known as Casper the Friendly Ghost (not sure how it applies, I don’t see a ghost), is a bright blue reflection nebula in Orion. The nebula can be found between Betelgeuse and closer towards Alnitak.

 

Messier 78 is the brightest reflection nebula among a group of nebulae, including NGC 2064, NGC 2067, and NGC 2071. These are part of the Orion B molecular cloud complex, including the Horsehead Nebula, the Flame Nebula, Barnard’s Loop, and M42, the Orion Nebula.

 

M78 can be resolved in binoculars and small telescopes. M78 has often been mistaken for a comet, which explains why the Comet Hunter Charles Messier cataloged this in his list of non-comets.

 

M78 was discovered in 1780 by Pierre Mechain and cataloged by Charles Messier shortly after.

 

M78 lies about 1350 light-years away at a magnitude of 8.3.

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Uploaded on February 1, 2025