NGC 7789 (Jaspal Chadha)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: NGC 7789

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NGC 7789

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NGC 7789

Found among the rich star fields of the Milky Way toward the constellation Cassiopeia, star cluster NGC 7789 lies about 8,000 light-years away. A late 18th century deep sky discovery of astronomer Caroline Lucretia Herschel, the cluster is also known as Caroline's Rose. Its suggestive appearance is created by the cluster's nestled complex of stars and voids. Now estimated to be 1.6 billion years young, the galactic or open cluster of stars also shows its age. All the stars in the cluster were likely born at the same time, but the brighter and more massive ones have more rapidly exhausted the hydrogen fuel in their cores. These have evolved from main sequence stars like the Sun into the many red giant stars shown with a yellowish cast in this lovely color composite.

The data was captured using SGP Pro ( which i am still learning to use )

Date 19/08/2017

Location: London UK

Telescope: Takahashi 130

Mount: Ioptron CEM60

CCD: QSI 690

Lum: 7 x 300 seconds

Red: 7 x 300 seconds

Green:7 x 300 seconds

Blue 7 x 300 seconds

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	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	Advanced success
Started	...
Astrometry.net job	1865688
PixInsight job	Y0RBMK2I2XVZRGT15NRWBO1ERSAUBNI2
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h57m20s.28
RA (top/left)	23h54m05s.59
RA (top/right)	23h55m03s.64
RA (bottom/right)	00h00m30s.64
RA (bottom/left)	23h59m40s.85

Dec (center)	+56°42′47″.0
Dec (top/left)	+57°07′55″.4
Dec (top/right)	+56°11′30″.5
Dec (bottom/right)	+56°17′21″.8
Dec (bottom/left)	+57°13′55″.2

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NGC 7789

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NGC 7789

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