Messier 51 (Simon)

Celestial hemisphere: Northern · Constellation: Canes Venatici (CVn) · Contains: IC 4277 · IC 4278 · M 51 · NGC 5194 · NGC 5195 · Whirlpool galaxy

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Messier 51

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Messier 51

I will be honest... I do not know about you, but there is something very addictive and obsessing about processing data. I have done a lot lately, and I think I need to have a break, in spite of the inner yearning to keep creating more images! It will take some discipline to not do any tomorrow! Anyway, I thought I would have a go with Jim Misti's data again, now that I have this improved monitor and see how I would get on. This image is quite an eye-full on this monitor and difficult to process well at this resolution, although on smaller displays it should be better. I also always find Jim's data through his 32" scope, quite 'soft', which might be part of the problem, which means I have to use a lot more sharpening than normal - but this is the best I can do. Jim used a Ritchey-Chretien 32" Telescope at f7.2 (prime focus), and a SBIG STL-11000 CCD camera. This was 15 x 5 minutes Luminance unbinned and 5 x 5 minutes each R/G/B unbinned. Integration time is thus a mere!, 2.5 hours. Thanks everyone...

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	3203288
PixInsight job	9EV5IA2LQ8YR6O4O01ZKMOJSYBH3N6V5
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	13h29m51s.933
RA (top/left)	13h29m10s.690
RA (top/right)	13h29m13s.900
RA (bottom/right)	13h30m32s.943
RA (bottom/left)	13h30m31s.480

Dec (center)	+47°12′09″.61
Dec (top/left)	+47°22′13″.31
Dec (top/right)	+47°01′50″.61
Dec (bottom/right)	+47°02′05″.20
Dec (bottom/left)	+47°22′27″.84

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Messier 51

Messier 51

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Image Index:

Contribution Index (beta):

Messier 51

Messier 51

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