M81 and M82 (mjh410)

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

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M81 and M82

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M81 and M82

This was my first attempt with my Tamron 150-600 G2 lens. I attempted guiding with a ZWO 30mm guide scope and an ASI 120mm S guide camera but was unable to get focused. I had to do a meridian flip so I went unguided until the flip and looked up how to focus the guide camera while it was imaging unguided.

After the flip I got back on Polaris, focused the guide camera, polar aligned with SharpCap Pro, and got guiding set to excellent to good in PHD2. I continued imaging for a couple more hours. All total I got 44 frames at 180 seconds.

However, I'm not sure what happened but when blinking through the images in PixInsight I noticed that the targets were moving slightly between frames. There was no evidence of movement or star trails in an individual frame though. Nevertheless I was not able to get more than 17 images to register so this is only 51 minutes of integration time.

Overall I am still very pleased with what I was able to get with such a few number of frames, this lens, and on that mount.

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	4385023
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

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Sky plot

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