Caroline's Rose cluster - NGC 7789 (Massimo Di Fusco)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: HD223924 · HD223969 · HD224425 · HD224436 · HD240465 · NGC 7789

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Caroline's Rose cluster - NGC 7789

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Caroline's Rose cluster - NGC 7789

NGC 7789 (also known as Caroline's Rose, Caroline's Haystack or the White Rose Cluster) is an open cluster 7600 light-year away in Cassiopeia that was discovered by Caroline Herschel in 1783. Her brother William Herschel included it in his catalog as H VI.30. William's son, John Herschel, later re-observed it and included it in his turn in the General Catalog of Nebulae and Clusters with number 2284.

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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
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Star trails
Northern lights
Noctilucent clouds
Landscape
Artificial satellite

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
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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	...
PixInsight job	6ON3R48PE4SV1AH4HZC28JK3TJMKY63F
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h56m59s.480
RA (top/left)	00h01m57s.135
RA (top/right)	23h51m58s.750
RA (bottom/right)	23h52m08s.491
RA (bottom/left)	00h01m52s.253

Dec (center)	+56°45′56″.97
Dec (top/left)	+57°12′51″.46
Dec (top/right)	+57°12′21″.12
Dec (bottom/right)	+56°18′23″.34
Dec (bottom/left)	+56°18′52″.21

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Caroline's Rose cluster - NGC 7789

Caroline's Rose cluster - NGC 7789

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Contribution Index (beta):

Caroline's Rose cluster - NGC 7789

Caroline's Rose cluster - NGC 7789

Equipment

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Description

Comments

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