M81 and M82 (RonAdams)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: Bode's nebulae · M 81 · M 82 · NGC 3031 · NGC 3034 · NGC 3077

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M81 and M82

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M81 and M82

This was the first clear night in a while. However there was a very bright crescent Moon

almost directly overhead washing out a lot of the sky. I decided to image M81 and M82

because they were located to the Northeast and about as far away from the Moon as I

could get. M81 and M82 are relatively bright also. I've never imaged these objects with

my Orion ED80 refractor and I thought this would be the perfect opportunity to do that.

The Moon did affect my image and there is a plywood plant that produces light pollution

in the direction I was imaging. I think I reprocessed this image 25 times trying to remove

light gradients and noise but no matter what I did I could not remove it all. So I tried to hit a

happy medium where detail was still visible but with the least amount of light gradients

and noise. My latest attempt at imaging M81 and M82. Enjoy.

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	Basic success
Started	...
Astrometry.net job	1479521
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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M81 and M82

M81 and M82

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Image Index:

Contribution Index (beta):

M81 and M82

M81 and M82

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

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