NGC 2523 (Tom Harrison)

Celestial hemisphere: Northern · Constellation: Camelopardalis (Cam) · Contains: NGC 2523

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NGC 2523

Link: http://www.manoprietoobservatory.com/gallery/galaxies/173

NGC2523, Arp9, is barred spiral galaxy seen in the direction of the Constellation Camelopardalis at an approximate distance of 150 Million Light-Years. It has a strong inner ring just enclosing the bar which is devoid of any star-forming activity. NGC2523 is classified as an SB(r)bc galaxy, and is approximately 130,000 Light-Years in diameter. It was discovered in 1885 by Edward Swift. It has been studied for its global pattern speed, having to do with density wave theory to explain long-lasting galaxy spiral arms and the movement of the stars within the arms. NGC2523B is the edge-on sprial galaxy seen in this image above and to the right. Two other dim small galaxies can be seen to either side of NGC2523.

Object: NGC2523

Distance: 150 Million Light-Years

Magnitude: 12.90

Date: February 2011

Place: Fort Davis, TX

Exposure Details: LRGB:450:150:180:230 unbinned

Processing: MaxIm DL, CCDStack, RegiStar, CCDInspector, Photoshop CS3

Optics: 12.5"RCOS Truss

Focal Length: 2808mm @ f9

Mount: Paramount ME Robotic

Camera: SBIG STL6303E

Focuser: RCOS

Guiding: Off-Axis with SBIG Guide Camera

Filters: Tru-Balance LRGB Gen II 2"

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	Distinct awarded users	Total awarded images
Image of the day
Top picks
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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
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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
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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	Basic success
Started	...
Astrometry.net job	6429534
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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