M27 - Dumbbell Nebula (BensAstroStuff)

Celestial hemisphere: Northern · Constellation: Vulpecula (Vul) · Contains: Dumbbell Nebula · HD189733 · HD345313 · HD345316 · HD345317 · HD345323 · HD345436 · HD345440 · HD345443 · HD345444 · HD345445 · HD345446 · HD345447 · HD345448 · HD345449 · HD345450 · HD345451 · HD345452 · HD345453 · HD345454 · HD345455 · HD345456 · HD345457 · HD345458 · HD345460 · HD345461 · HD345462 · HD345463 · HD345465 · HD345466 · And 8 more.

M27 - Dumbbell Nebula

The acquisition went nice and smooth, with the exception of the meridian flip. I have some glitches to work out there. Once I handled the flip, I went to bed and woke up to a directory full of quality subs. I chose the best 3 hours worth (180*60") of them to stack. I had to manually edit the stretch since this target is so bright. The reds are still a bit buried for my liking but they're there and the structure is well defined.

Processing

In Siril:

Registered with Drizzle x2
Photometric Color Calibration
RFB Background Extraction after stacking
Manual Stretch
Crop
Export to PNG

In Gimp:

Saturation:1.2
Unsharp Mask R:3 A:1 T:0

LVAAS Astroimaging
FriendlyCosmos

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	Distinct awarded users	Total awarded images
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	Image of the day	Top pick	Top pick nominations	Total submitted
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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
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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	Advanced success
Started	...
Astrometry.net job	6241416
PixInsight job	O8JIV9V8UWKNHVH7B2QRICJ85WPCKJOW
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	19h59m36s.412
RA (top/left)	20h01m15s.608
RA (top/right)	20h01m09s.989
RA (bottom/right)	19h57m56s.743
RA (bottom/left)	19h58m03s.376

Dec (center)	+22°43′16″.62
Dec (top/left)	+22°21′43″.66
Dec (top/right)	+23°06′11″.30
Dec (bottom/right)	+23°04′45″.25
Dec (bottom/left)	+22°20′18″.89

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M27 - Dumbbell Nebula

M27 - Dumbbell Nebula

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M27 - Dumbbell Nebula

M27 - Dumbbell Nebula

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