m51 (Whirlpool galaxy) with lbv 2019abn in Superlum_HaR_GB (*philippe Gilberton)

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

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m51 (Whirlpool galaxy) with lbv 2019abn in Superlum_HaR_GB

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m51 (Whirlpool galaxy) with lbv 2019abn in Superlum_HaR_GB

m51 (Whirlpool galaxy) captured in LHaRGB and processed in Superlum_HaR_GB. Superlum is a combination of true and synthetic luminance carefully selected with PI. The lbv 2019abn is also annotated. LBV is a Luminous blue variable which is a massive evolved star that shows unpredictable and sometimes dramatic variations in both their spectra and brightness.

B

Description: HaRGB processing with color balance adjustement and less cropping

Uploaded: ...

C

Description: totally reprocessed version with Pixinsight

Uploaded: ...

D

Description: added LBV2019 abn object which is not a supernova but a variable star

Uploaded: ...

F

Description: enhanced color balance and stars

Uploaded: ...

G

Description: reprocessed revision with better noise reduction in luminance layer and color balance

Uploaded: ...

H

Description: lbv2019 added with astrobin mouseover

Uploaded: ...

Astrophotographes (France)
Narrowband imaging
ZWO ASI1600MM/QHY163M

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Distribution of astrophotographers

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	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	2691699
PixInsight job	OMUX5MZRT602X6275LZHKA5RMBDW8FAA
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	13h29m54s.913
RA (top/left)	13h29m04s.595
RA (top/right)	13h29m10s.549
RA (bottom/right)	13h30m44s.773
RA (bottom/left)	13h30m39s.694

Dec (center)	+47°13′10″.72
Dec (top/left)	+47°27′11″.73
Dec (top/right)	+46°58′37″.60
Dec (bottom/right)	+46°59′08″.22
Dec (bottom/left)	+47°27′43″.44

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Contribution Index (beta):

m51 (Whirlpool galaxy) with lbv 2019abn in Superlum_HaR_GB

m51 (Whirlpool galaxy) with lbv 2019abn in Superlum_HaR_GB

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Image Index:

Contribution Index (beta):

m51 (Whirlpool galaxy) with lbv 2019abn in Superlum_HaR_GB

m51 (Whirlpool galaxy) with lbv 2019abn in Superlum_HaR_GB

Equipment

Acquisition details

Description

Comments

Revisions

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C

D

F

G

H

Sky plot

Histogram

In these public groups

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