M57 "cropped" ( Barani Roberto )

Celestial hemisphere: Northern · Constellation: Lyra (Lyr) · Contains: IC 1296 · M 57 · NGC 6720 · Ring nebula in Lyra

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M57 "cropped"

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M57 "cropped"

Imaging Telescopes Or Lenses: Celestron C8-A XLT
Mounts: Sky-Watcher AZ-EQ6 GT
Filters: Astronomik CCD CLS
Accessories: antares Reducer f/6.3
Guiding Telescopes Or Lenses: Sky-Watcher AC 70/500
Guiding Cameras: QHYCCD q5L-II-C

Dates:: July 12, 2015
Frames:: Astronomik CCD CLS: 20×120″(40′) ISO800 bin 1×1
Integration:: 40′
Darks:: 10
Bias:: 20
Avg. Moon age:: 25.98 days
Avg. Moon phase:: 13.59%
Bortle Dark-Sky Scale:: 4.00

Basic astrometry details

Astrometry.net job: 825413

RA center: 18h53m34s.6

DEC center: +33°01′48″

Pixel scale: 0.988 arcsec/pixel

Orientation: -4.775 degrees

Field radius: 0.184 degrees

Resolution: 1155x687

File size: 47.4 KB

Locations: Campo base, Santo Stefano Lodigiano, Lodi, Italy

M57 lyra Planetary nebula

lights 20 x 120 sec

dark 10 x 120 sec

bias 20, no flat.

Imagers of Italy

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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

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.
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	Basic success
Started	...
Astrometry.net job	825413
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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M57 "cropped"

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