M81-82 and Friends (John K Greathouse)

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

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M81-82 and Friends

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M81-82 and Friends

I’ve been thinking of imaging this framing for several months after I got my AT65EDT. NGC 2936, the “Porpoise Galaxy” is in the lower left and is approximately 300 million light years away. NGC 3077 is in the upper left and 12.8 million light years from us. M 81 and 82, the most famous pair of this group is somewhere between 11.5 and 12.5 million light years away.

This is the first time out with the AT65EDQ and I really like it. I was working on using the 50mm guide scope to guide but just wasn’t happy with the results I was getting. My lovely wife got me the Orion Thin Off Axis Guider for Christmas and I hadn’t had much time to set it up. Since I was learning the new OTA anyway I figured I may as well just dive in and get it all over with. After a few fitful starts the guiding improved more than I had expected it would. The final night was all OAG and I don’t think I’ll ever go back.

This was a real challenge. The weather has not been the best and when it was clear, you guessed it, the moon was out. I’m not that thrilled with the color in M81 but I’ll probably tinker with that in the next few days. If the weather and time allows, I would like to revisit this grouping and hopefully add more integration time to it.

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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	1005287
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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M81-82 and Friends

M81-82 and Friends

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Image Index:

Contribution Index (beta):

M81-82 and Friends

M81-82 and Friends

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