M109 - 100% crop ( Salvatore Iovene )

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: HD103829 · M 109 · NGC 3992 · PGC 2430219 · PGC 2430968 · PGC 2433784 · PGC 2434355 · PGC 2436214 · PGC 2437949 · PGC 2438633 · PGC 2438683 · PGC 2443807 · PGC 2444216 · PGC 2444393 · PGC 2832093 · PGC 2832094 · PGC 2832095 · PGC 2832098 · PGC 37553 · PGC 37621 · PGC 37700 · TYC3833-343-1 · TYC3833-401-1 · TYC3833-487-1 · TYC3833-578-1 · TYC3833-778-1 · TYC3833-781-1

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M109 - 100% crop

Imaging Telescopes Or Lenses: Sky-Watcher Esprit 80ED
Imaging Cameras: Canon EOS 450D / Rebel XSi / Kiss X2 (modified)
Mounts: Sky-Watcher HEQ5
Accessories: TS-Optics 0.8x Reducer / Field Corrector for TS Refractors with 70-72 mm Aperture
Guiding Telescopes Or Lenses: Sky-Watcher 70/500 Guidescope

Frames:: 35×420″(4h 5′) ISO400
Integration:: 4h 5′

RA center: 11h57m36s.80

DEC center: +53°22′41″.5

Pixel scale: 3.405 arcsec/pixel

Orientation: 70.130 degrees

Field radius: 0.415 degrees

WCS transformation: thin plate spline

More info:Open

Resolution: 620x620

File size: 169.3 KB

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	Distinct awarded users	Total awarded images
Image of the day
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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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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.
Dismissals 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	6417149
PixInsight job	YXQTPZHJYEUPJMD3I622P21P02PKHFK8
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	11h57m36s.80
RA (top/left)	12h00m06s.71
RA (top/right)	11h58m47s.59
RA (bottom/right)	11h55m04s.80
RA (bottom/left)	11h56m25s.73

Dec (center)	+53°22′41″.5
Dec (top/left)	+53°12′04″.1
Dec (top/right)	+53°45′11″.10
Dec (bottom/right)	+53°33′10″.8
Dec (bottom/left)	+53°00′09″.3

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M109 - 100% crop

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M109 - 100% crop

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