NGC 288 (Gary Imm)

Celestial hemisphere: Southern · Constellation: Sculptor (Scl) · Contains: NGC 288

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NGC 288

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NGC 288

This object is a globular cluster located 30,000 light years away in the constellation of Sculptor at a declination of -27 degrees. The cluster spans 13 arc-minutes in our apparent view, which corresponds to a diameter of just over 100 light years.

I really like this cluster for three reasons. First, the "looseness" of the core area, with stars easily able to be resolved because there is no bright core glow to obscure our view. This object is one of a minority of low-concentration globulars, with its stars more loosely bound together. Second, the wonderful star colors. In fact, in some ways this object seems more like an open cluster than a globular cluster, especially with the bright blue and orange stars. Third, don't miss the faint low surface brightness galaxy (GSA N02) on the left side just outside of the cluster core. The galaxy is over 10,000 times further away from us, at a distance of about 400 million light years.

Globular Star Clusters
Takahashi Refractors
ZWO ASI183/QHY183
Cloudy Nights

Globular Clusters
Hidden Treasures Catalog (Complete*)

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Distribution of astrophotographers

This table shows the number of distinct astrophotographers who have been assigned and IOTD/TP award compared to the total number of images awarded.
	Distinct awarded users	Total awarded images
Image of the day
Top picks
Top pick nominations

Distribution of subject types

This table shows the distribution of awards per subject type, compared to the popularity of images of that subject type.
	Image of the day	Top pick	Top pick nominations	Total submitted
Deep sky
Solar system
Extremely wide field
Star trails
Northern lights
Noctilucent clouds
Landscape

Distribution of data sources

This table shows the distribution of awards per data source, compared to the popularity of images acquired from that data source.
	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
Traveller
Own remote observatory
Amateur hosting facility
Public amaeteur data
Professional, scientific grade data
Mix of multiple sources
Other
Unknown

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	2981847
PixInsight job	G67H96861RBXAZRZ737I7PYVDVW23LZC
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	00h52m45s.146
RA (top/left)	00h51m13s.873
RA (top/right)	00h54m26s.575
RA (bottom/right)	00h54m15s.990
RA (bottom/left)	00h51m04s.940

Dec (center)	-26°35′23″.18
Dec (top/left)	-26°51′26″.58
Dec (top/right)	-26°48′00″.100
Dec (bottom/right)	-26°19′16″.66
Dec (bottom/left)	-26°22′41″.18

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NGC 288

NGC 288

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NGC 288

NGC 288

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