Messier 22 (astropical)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: 24 Sgr · 25 Sgr · M 22 · NGC 6656 · The star 24Sgr

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Messier 22

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Messier 22

Last midnight, JANUARY 25th, the temperature reached 25°C at 83%RH, which felt like the beginning of the rainy season, normally mid May. As I took my dogs out into the backyard for a "pippi", they ran towards a snake that was crawling out of the rock wall ('ishigaki' in Japanese), obviously believing the winter was over, confused and perhaps mighty hungry. Fortunately, the dogs listen to me (the only beings who do) and nothing tragic happened. That was a warning.

Anyway, because of continuing cloudy nights I digged out an image of Messier 22 in Sagittarius (a DSO jewel box) which I took on 2019-05-13 without coma corrector, filter and calibration files, just plain 24 greenhorn shots into the dark, today processed with AstroPixelProcessor, currently on trial. The APP does a great job on removal of light pollution and vignetting as well as background calibration. Still learning its functions though.

Please note: The following tables are updated every 24 hours.

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.

Status	Advanced success
Started	...
Astrometry.net job	3206580
PixInsight job	4LML5QI8TSGP1CKYKBLQXZYSBVOBWP3V
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	18h36m28s.45
RA (top/left)	18h37m11s.53
RA (top/right)	18h33m29s.36
RA (bottom/right)	18h35m44s.87
RA (bottom/left)	18h39m26s.93

Dec (center)	-23°52′52″.1
Dec (top/left)	-23°11′04″.0
Dec (top/right)	-24°06′01″.7
Dec (bottom/right)	-24°34′40″.1
Dec (bottom/left)	-23°39′32″.4

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Messier 22

Messier 22

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Image Index:

Contribution Index (beta):

Messier 22

Messier 22

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