M34 LRGB (Sergiy_Vakulenko)

Celestial hemisphere: Northern · Constellation: Perseus (Per) · Contains: M 34 · NGC 1039 · PK144-15.1

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M34 LRGB

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M34 LRGB

Messier 34 (also known as M34 or NGC 1039) is an open cluster in the constellation Perseus. It was probably discovered by Giovanni Batista Hodierna before 1654 and included by Charles Messier in his catalog of comet-like objects in 1764. Messier described it as, "A cluster of small stars a little below the parallel of γ (Andromedae). In an ordinary telescope of 3 feet one can distinguish the stars."

Based on the distance modulus of 8.38, this cluster is located at a distance of about 470 parsecs, or 1,500 light years. For stars in the range from 0.12 to 1.0 solar masses, M34 contains an estimated 400 members. It spans about 35' on the sky which translates to a true radius of 7.5 light years. The cluster is just visible to the naked eye in very dark conditions, well away from city lights. It is possible to see it in binoculars when light pollution is limited.

The age of this cluster lies between the respective ages of the Pleiades open cluster at 100 million years and the Hyades open cluster at 800 million years. Comparisons between the observed stellar spectra and the values predicted by stellar evolutionary models gives an age estimate of 200–250 million years for M34.

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Open Star Clusters

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	Distinct awarded users	Total awarded images
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	Image of the day	Top pick	Top pick nominations	Total submitted
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	Image of the day	Top pick	Top pick nominations	Total submitted
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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
Promotions by Submitters When 3 distinct Submitters promote the image, it moves on to the next stage of the process: evaluation for Top Pick status. This requirement, in addition to anonymization of images and distribution to only a subset of them, prevents biases and ensures that the best images are selected.
Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

Status	Advanced success
Started	...
Astrometry.net job	3427778
PixInsight job	C3A79B0YJDB69JM460SASZOH9M0IRP0L
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	02h42m02s.65
RA (top/left)	02h36m38s.18
RA (top/right)	02h46m49s.37
RA (bottom/right)	02h47m33s.40
RA (bottom/left)	02h37m08s.31

Dec (center)	+42°47′51″.1
Dec (top/left)	+42°09′24″.8
Dec (top/right)	+42°00′25″.9
Dec (bottom/right)	+43°25′19″.2
Dec (bottom/left)	+43°34′31″.0

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M34 LRGB

M34 LRGB

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M34 LRGB

M34 LRGB

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