M81 / NGC3031, M82 / NGC3034, NGC3037, NGC2976 ( Stefano Zamblera )

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: Bode's Galaxy · Cigar Galaxy · M 81 · M 82 · NGC 2959 · NGC 2961 · NGC 2976 · NGC 3031 · NGC 3034 · NGC 3077

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M81 / NGC3031, M82 / NGC3034, NGC3037, NGC2976

Link: https://www.xiulong.it/sheying/2021/02/12/m81-ngc3031-m82-ngc3034-ngc3037-ngc2976/

Link to TIFF/FITS: https://www.dropbox.com/s/fht8peu9m0llv13/WO61%20EOS550d%20UHC%20M81%26%26M82%20ISO400%20600sec-integration_ABE-2.tif?dl=0

Powered byPixInsight

M81 / NGC3031, M82 / NGC3034, NGC3037, NGC2976

Link: https://www.xiulong.it/sheying/2021/02/12/m81-ngc3031-m82-ngc3034-ngc3037-ngc2976/

Link to TIFF/FITS: https://www.dropbox.com/s/fht8peu9m0llv13/WO61%20EOS550d%20UHC%20M81%26%26M82%20ISO400%20600sec-integration_ABE-2.tif?dl=0

Imaging Telescopes Or Lenses: William Optics ZenithStar 61 / ZS61
Imaging Cameras: Canon EOS 550D / Rebel T2i / Kiss X4
Mounts: Sky-Watcher EQM-35 Pro
Accessories: William Optics Flat61 · SVBONY Filter Wheel 2"
Software: Adobe Lightroom · Adobe Photoshop · Astroberry Project Astroberry Server · KDEdu KStars · Open PHD Guiding Project PHD2 · Pleiades Astrophoto PixInsight
Guiding Telescopes Or Lenses: QHYCCD Mini Guide Scope · SVBony SV106 60mm Guide Scope
Guiding Cameras: QHYCCD QHY5L-II C · ZWO ASI120MC-S

Dates:: Feb. 12, 2021
Frames:: 101×600″(16h 50′)
Integration:: 16h 50′
Avg. Moon age:: 0.71 days
Avg. Moon phase:: 0.57%

RA center: 09h50m49s.31

DEC center: +69°05′24″.6

Pixel scale: 2.386 arcsec/pixel

Orientation: -89.720 degrees

Field radius: 2.070 degrees

More info:Open

Resolution: 5202x3465

File size: 24.3 MB

Locations: Home (balcony), Livorno, Livorno, Italy

Data source: Backyard

Drizzle data integration by PixInSight of 102 frames at ISO400, 600sec, UHC 2" filter by Optolong.

Frames taken in many different stage among 08/10/2020 and 25/11/2020 from home balcony.

Postprod.: Photoshop and Lightroom

AAA : Astronomes et Astrographes Amateurs
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SoCal Astrophotography

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

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	Advanced success
Started	...
Astrometry.net job	4216356
PixInsight job	A21D44PJPYLOE137INL29Z3S7R0B80BM
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	09h50m49s.31
RA (top/left)	09h37m01s.33
RA (top/right)	09h38m50s.90
RA (bottom/right)	10h02m36s.98
RA (bottom/left)	10h04m51s.20

Dec (center)	+69°05′24″.6
Dec (top/left)	+70°46′53″.3
Dec (top/right)	+67°21′11″.5
Dec (bottom/right)	+67°20′23″.2
Dec (bottom/left)	+70°46′04″.3

Image Index:

Contribution Index (beta):

M81 / NGC3031, M82 / NGC3034, NGC3037, NGC2976

M81 / NGC3031, M82 / NGC3034, NGC3037, NGC2976

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Image Index:

Contribution Index (beta):

M81 / NGC3031, M82 / NGC3034, NGC3037, NGC2976

M81 / NGC3031, M82 / NGC3034, NGC3037, NGC2976

Equipment

Acquisition details

Description

Comments

Sky plot

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