JOHN CHUMACK / SCIENCE PHOTO LIBRARY JOHN CHUMACK / SCIENCE PHOTO LIBRARY
Open star clusters Messier 46 and Messier 47, located about a degree away from each other in the sky, in the constellation Puppis. Photographed with a Pentax K1000 film camera & 6' Tak Hyberbolic astrograph telescope; 30 minute exposure.
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