- Messier 34, SEDS Messier pages
- Messier 34 Amateur Image by Waid Observatory
2MASS image of M34
(taken in infrared band; falsecolor)
Messier 34 (also known as M 34 or NGC 1039) is an open cluster in the constellation Perseus. It was discovered by Giovanni Batista Hodierna before 1654 and included by Charles Messier in his catalog of comet-like objects in 1764.
M34 is at a distance of about 1,400 light-years away from Earth and consists of some 100 stars. It spans about 35' on the sky which translates to a true radius of 7 light years. The cluster is just visible to the naked eye in very dark conditions, well away from city lights. It is well seen in binoculars.
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