M51 the Whirlpool Galaxy (RonAdams)

Celestial hemisphere: Northern · Constellation: Canes Venatici (CVn) · Contains: IC 4263 · M 51 · NGC 5194 · NGC 5195 · NGC 5198 · Whirlpool Galaxy

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M51 the Whirlpool Galaxy

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M51 the Whirlpool Galaxy

I'm getting really frustrated with the weather. The sky finally cleared late last night. I wanted to try and image with my Astro Tech AT6RC Ritchey-Chretien that I repaired after a fall from from my mount . I decided that I would try and image M51 because it's relatively bright and it was about as far away from the Moon as I could get. After taking 4 light frames the sky completely clouded over. I decided to keep imaging with the hope that I might get some usable images in between clouds. As it turned out I only got 8 light frames that I could use. As to be expected the noise was horrible. Most of my processing time was spent trying to deal with the noise and still preserve the detail in the object. Louisiana is not noted for exceptional skies but in years past most of the time I could count on a couple of nights a week. For a long time now that has not happened. Enough complaining. Please enjoy my most recent image of M51.

Original
B
Final
C

B

Description: I can't ever leave it alone. There were some things I didn't like about the image that occurred when I was trying to eliminate the noise. I did some reprocessing to improve the image. I hope.

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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
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	Basic success
Started	...
Astrometry.net job	4109906
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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M51 the Whirlpool Galaxy

M51 the Whirlpool Galaxy

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Image Index:

Contribution Index (beta):

M51 the Whirlpool Galaxy

M51 the Whirlpool Galaxy

Equipment

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Description

Comments

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B

Sky plot

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