Astronomy Catalogs Useful for Astrophotography (Scott Stirling)

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Astronomy Catalogs Useful for Astrophotography

Diagram showing the main catalogs used in astrophotography of nebulae, galaxies, asterisms and globular clusters. Shows catalog names, sizes and relationships in some cases, including overlap. The Messier, Caldwell and NGC catalogs overlap with many others, which is not indicated on the diagram.

Diagram created with Excalidraw.

TODO:
- indicate Northern vs Southern celestial hemisphere coverage of catalogs
- add star cluster catalogs such as Collinder, Melotte and Stock

Original
B
C
Final
D

B

Description: Added a couple more catalogs (Hickson's Compact Groups of galaxies and Cederblad's bright nebula) and more indications of overlapping relationships (e.g., all of the Messier objects seem to have aliases in the NGC).

Uploaded: ...

C

Description: minor change to overlap Caldwell w/NGC and increase title size

Uploaded: ...

D

Description: Caldwell, IC, NGC, Messier, Arp and Hickson catalogs interrelated and overlapped better. I have counts of the overlaps and am deciding where to indicate, for example, that Caldwell consists of 99 NGC objects, 5 IC, 2 Collander, 1 Sharpless-2 and 1 Melotte -- perhaps separate pie charts.

TODO: add catalogs Collander and Melotte, Zwicky (CGCG) and VV (Vorontsov-Velyaminov), Herschel
TODO: add catalog publication / completion dates or separate timeline.
TODO: add some color

Uploaded: ...

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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
Solar system
Extremely wide field
Star trails
Northern lights
Noctilucent clouds
Landscape

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
Own remote observatory
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.

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Astronomy Catalogs Useful for Astrophotography

Astronomy Catalogs Useful for Astrophotography

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Image Index:

Contribution Index (beta):

Astronomy Catalogs Useful for Astrophotography

Astronomy Catalogs Useful for Astrophotography

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