Celestial hemisphere:  Northern  ·  Constellation: Perseus (Per)  ·  Contains:  M 34  ·  NGC 1039
Messier 34, Giuseppe Donatiello
Messier 34
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Messier 34

Messier 34, Giuseppe Donatiello
Messier 34
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Messier 34

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Description

Messier 34

Credit: Giuseppe Donatiello

RA 02 42.0 Dec +42 47

Open star cluster Messier 34 (M34, NGC 1039) is an intermediate aged open cluster of about 100 stars (according to H.S. Hogg), and lies about 1,400 light years and is scattered over 35 arc minutes, more than the diameter of the full Moon. This angular diameter corresponds to a linear 14 light years.

Discovered by Giovanni Batista Hodierna before 1654.

Composite image:

200 f/5 Newtonian telescope (during an instrumental test session)

127ED f/9 refractor

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Messier 34, Giuseppe Donatiello