Draco Trio (Jason Guenzel)

Celestial hemisphere: Northern · Constellation: Draco (Dra) · Contains: NGC 5981 · NGC 5982 · NGC 5985

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Draco Trio

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Draco Trio

My goal in this project was to see what happens with extended integration time on my equipment. I've been shooting at f/10 so I'd like to check what the longer times can bring. I wasn't prepared to have to deal with the thermal problems in this camera so early in the season. The sensor temp was pushing 30C for most of this. Honestly the thermal signal kills the faint details, and worse it seems to destroy the color. Is it bad that I want to upgrade my camera before my AVX?

Rev A - Original goal for the image was 10+ hours. After 4 nights of passing clouds, bad seeing, bad transparency, and bad guiding, I just had to see where this was. This version includes 110x5m (just over 9 hours). Processed as synthetic luminosity. I'm still aiming for more time, so I'll update this when it comes. It may take a while. I do like that I am starting to pick up the shell of NGC 5982. I'd venture to guess more subs would help smooth it.

Rev B - Added color data back in. I did not get any additional integration time. This is going back and reprocessing what I had. The quality of the color information is pretty poor. Resampled to 1600px wide to hide some of the madness.

Rev C - Retry on processing the full color image. I processed almost entirely in PI this time, including calibration and stacking. ...and I think this is close to all I'm going to be able to pull out of the T1i data.

Rev D - Pulled the background level up a bit.

Original
B
C
Final
D

Cloudy Nights

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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	649367
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Draco Trio

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Draco Trio

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