M92 (Andreas Zeinert)

Celestial hemisphere: Northern · Constellation: Hercules (Her) · Contains: HD156873 · M 92 · NGC 6341

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M92

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M92

M92 is a well known globular cluster about 26700 light years from us. Its apparent size is about 14'. Good news for those who have a small focal length: it is approaching us at 112km/s. So just wait a couple of million years and it will better fit with your framing. Alternatively you might invest in a longer focal length. I took the second option. This has been the first light of my 115/800 refractor.
For these targets, tools like StarXT or BlurXT are not of great help. I sacrificed the shape of the big stars in favour of the cluster bulb. Hope you can accept this. Sub exposure time was kept short to 30s in order to preserve the core. Still 1h30 of total exposure time is too short even for this bright subject at f/7. Colours were balanced by photometric method in PI. Slightly saturated. Hope you like it even if it is not a perfect picture.
The full version is interesting for the small objects in the background. I was intrigued by the tiny galaxy cluster in the North of the cluster. Could not find any name for it. Would be grateful for any tip.
CS, Andreas

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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.
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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	7984445
PixInsight job	7N7ASKLQWERUN2RBPCSUUIVD2J0HJBJ0
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	17h17m12s.747
RA (top/left)	17h19m37s.732
RA (top/right)	17h15m40s.380
RA (bottom/right)	17h14m49s.000
RA (bottom/left)	17h18m44s.320

Dec (center)	+43°07′42″.19
Dec (top/left)	+43°24′03″.87
Dec (top/right)	+43°33′47″.52
Dec (bottom/right)	+42°51′09″.80
Dec (bottom/left)	+42°41′32″.25

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