NGC2175 HaLRGB (Sergiy_Vakulenko)

Celestial hemisphere: Northern · Constellation: Orion (Ori) · Contains: 68 Ori · IC 2159 · Monkey Head Nebula · NGC 2174 · NGC 2175 · Sh2-252 · The star 68Ori

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NGC2175 HaLRGB

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NGC2175 HaLRGB

Open Cluster NGC 2175 (also known as OCL 476 or Cr 84) is an open cluster in the Orion constellation, embedded in a diffusion nebula. It was discovered by Giovanni Batista Hodierna before 1654 and independently discovered by Karl Christian Bruhns in 1857. NGC 2175 is at a distance of about 6,350 light years away from Earth.

The nebula surrounding it is Sharpless catalog Sh 2-252.

There is some equivocation in the use of the identifiers NGC 2174 and NGC 2175. These may apply to the entire nebula, to its brightest knot, or to the star cluster it includes. Burnham's Celestial Handbook lists the entire nebula as 2174/2175 and does not mention the star cluster. The NGC Project (working from the original descriptive notes) assigns NGC 2174 to the prominent knot at J2000 06h 09m 23.7s, +20° 39′ 34″ and NGC 2175 to the entire nebula, and by extension to the star cluster. Simbad uses NGC 2174 for the nebula and NGC 2175 for the star cluster.

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Description: Re-processed data from 2019-2020 winter season. This time I tried to devote more attention to the reflection nebulae and make nebula colors more diverse that on previous revision.

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Description: Ha channel

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Description: Ha starless

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The refractors!
KODAK 8300 sensor
Sharpless2 Objects

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	Distinct awarded users	Total awarded images
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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	4700087
PixInsight job	051XDGYNE77KOEPAKIRNAAPX6PQR62PE
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	06h09m48s.97
RA (top/left)	06h05m33s.14
RA (top/right)	06h13m35s.61
RA (bottom/right)	06h14m06s.74
RA (bottom/left)	06h05m59s.99

Dec (center)	+20°30′53″.9
Dec (top/left)	+19°52′38″.3
Dec (top/right)	+19°43′41″.9
Dec (bottom/right)	+21°08′43″.10
Dec (bottom/left)	+21°17′47″.5

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NGC2175 HaLRGB

NGC2175 HaLRGB

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NGC2175 HaLRGB

NGC2175 HaLRGB

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