IC 239 (Gary Imm)

Celestial hemisphere: Northern · Constellation: Andromeda (And) · Contains: IC 239

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IC 239

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IC 239

This image pairs a nearby small bright Milky Way star cluster in the foreground with a distant low surface brightness galaxy in the background. The objects are located in the constellation of Andromeda at a declination of +39 degrees.

The star cluster's brightest member is the 8.5 magnitude orange star (HD 16110) near the center. 10 or so other bright stars, primarily blue, complete the cluster. The cluster is located about 2000 light years away.

The small face-on barred spiral galaxy is IC 239, located 30 million light years away. The low surface brightness galaxy spans 7 arc-minutes in our apparent view, which corresponds to a diameter of 60,000 light years.

I like how the blue disk of the galaxy contrasts with the bright orange star. Many star clusters are seen throughout the disk. Two distinct arms wind gracefully around the core. The core is barred in a perpendicular direction to the initial arm direction. The arm on the right side faintly shows two straight segments known as Vorontsov-Velyaminov rows.

My favorite part of the image is the arcing star clusters seen in the lower right of the disk, shaped like a curved "E".

Takahashi Refractors
ZWO ASI183/QHY183
The refractors!
Cloudy Nights

Face-on Galaxies
Hexagon Galaxy Shape
LSB (Low Surface Brightness) Galaxies
VV Galaxy Rows

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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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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	2997929
PixInsight job	YUIFLRNAVQLJQNTVC5ZK0ORRNI9XYP0L
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	02h36m27s.621
RA (top/left)	02h35m43s.616
RA (top/right)	02h37m36s.609
RA (bottom/right)	02h37m11s.872
RA (bottom/left)	02h35m18s.559

Dec (center)	+38°58′16″.46
Dec (top/left)	+38°47′18″.73
Dec (top/right)	+38°54′35″.24
Dec (bottom/right)	+39°09′13″.13
Dec (bottom/left)	+39°01′55″.47

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IC 239

IC 239

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IC 239

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