M13 wide field - a sparkling diamond (Ken Sablinsky)

Celestial hemisphere: Northern · Constellation: Hercules (Her) · Contains: Hercules · Hercules Globular Cluster · IC 4613 · IC 4614 · IC 4615 · IC 4616 · IC 4617 · M 13 · NGC 6177 · NGC 6179 · NGC 6185 · NGC 6194 · NGC 6196 · NGC 6197 · NGC 6205 · NGC 6207 · NGC 6255

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M13 wide field - a sparkling diamond

Powered byPixInsight

M13 wide field - a sparkling diamond

M13 shot through the wide field Orion 70mm Quad. I realize this resolution is a bit low for such a small object, but this started as just a test to see how PixInsight's new Local Normalization worked, as well as trying a drizzle integration. After finishing, I was pleasantly surprised with the result, so kept the final image.

This was the most under-sampled combo I've used so far (G24 with 5.94 micron pixels and the 350mm focal length) resulting in 3.5 arc-seconds per pixel. Stack of 211 2-minute exposures taken over two nights. WPBB took 2 hours to complete with all settings on (sub-frame weighting, registration, LN, integration), and then Drizzle Integration took another hour.

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	5664986
PixInsight job	WEO5KV15KOJW4SWP877ZRFO6USWKDFJD
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	16h41m41s.88
RA (top/left)	16h29m21s.56
RA (top/right)	16h56m17s.88
RA (bottom/right)	16h54m44s.83
RA (bottom/left)	16h26m30s.10

Dec (center)	+36°26′07″.7
Dec (top/left)	+34°13′25″.2
Dec (top/right)	+34°52′53″.2
Dec (bottom/right)	+38°33′40″.4
Dec (bottom/left)	+37°52′25″.9

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M13 wide field - a sparkling diamond

M13 wide field - a sparkling diamond

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Image Index:

Contribution Index (beta):

M13 wide field - a sparkling diamond

M13 wide field - a sparkling diamond

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

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