NGC884 and NGC869 double cluster (Willem Jan Drijfhout)

Celestial hemisphere: Northern · Constellation: Perseus (Per) · Contains: 10 Per · 7 Per) · 7 chi Per · Double cluster · Misam · NGC 869 · NGC 884 · The star 10 Per · The star Misam al Thurayya I (χ Per · chi Persei Cluster · h Persei Cluster

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NGC884 and NGC869 double cluster

Link: https://www.astroworldcreations.com/image-details/ngc884

Powered byPixInsight

NGC884 and NGC869 double cluster

Link: https://www.astroworldcreations.com/image-details/ngc884

This is an old dataset from 2022 that I never came to process. At the time of imaging, I was learning to use my newly acquired RST-135E harmonic drive mount and use it as a second rig to maximise clear skies by running two setups simultaneously. When I processed the image, the original issue with the atmospheric dispersion of the OSC images showed up again. This is not difficult to get rid of, but I did look into it a bit more closer to understand what would be the best workflow. In this blog I've written my journey. For anyone interested, feel free to check it out.

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	Distinct awarded users	Total awarded images
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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
Deep sky
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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
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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	VP2AZCMYMNV4SW3855JW47142IPWJAB9
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	02h20m31s.35
RA (top/left)	02h26m51s.12
RA (top/right)	02h15m41s.59
RA (bottom/right)	02h14m20s.30
RA (bottom/left)	02h25m11s.18

Dec (center)	+57°09′41″.3
Dec (top/left)	+57°32′54″.1
Dec (top/right)	+57°50′11″.9
Dec (bottom/right)	+56°45′15″.5
Dec (bottom/left)	+56°28′28″.0

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NGC884 and NGC869 double cluster

NGC884 and NGC869 double cluster

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NGC884 and NGC869 double cluster

NGC884 and NGC869 double cluster

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