M27 The Dumbbell Nebula (Dale A Chamberlain)

Celestial hemisphere: Northern · Constellation: Vulpecula (Vul) · Contains: DQ Vul · Dumbbell Nebula · HD345446 · HD345447 · HD345448 · HD345449 · HD345450 · HD345451 · HD345452 · HD345453 · HD345455 · HD345456 · HD345461 · HD345463 · HD345466 · HD345470 · M 27 · NGC 6853 · PGC 2815775 · PK060-03.1 · V0418 Vul · V0433 Vul · V0434 Vul · V0498 Vul · V0571 Vul

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M27 The Dumbbell Nebula

Link: https://chamberlainobservatory.com/welcome-to-the-chamberlain-observatory-website/photo-gallery/m27-the-dumbbell-nebula-2022/

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M27 The Dumbbell Nebula

Link: https://chamberlainobservatory.com/welcome-to-the-chamberlain-observatory-website/photo-gallery/m27-the-dumbbell-nebula-2022/

The Dumbbell Nebula (also known as Apple Core Nebula, Messier 27, M 27, or NGC 6853) is a planetary nebula in the constellation Vulpecula, at about 1227 light-years. This object was the first planetary nebula to be discovered; by Charles Messier in 1764. At its brightness of visual magnitude 7.5 and its diameter of about 8 arcminutes, it is easily visible in binoculars, and a popular observing target in amateur telescopes.

Like many nearby planetary nebulae, the Dumbbell contains knots. Its central region is marked by a pattern of dark and bright cusped knots and their associated dark tails (see picture). The knots vary in appearance from symmetric objects with tails to rather irregular tail-less objects. Similarly, to the Helix Nebula and the Eskimo Nebula, the heads of the knots have bright cusps which are local photoionization fronts.

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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	6911651
PixInsight job	IUG9CHJNLG7Y7H3UWMP3ZB7E1HL9OB8J
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	19h59m37s.448
RA (top/left)	20h00m41s.160
RA (top/right)	19h58m33s.557
RA (bottom/right)	19h58m33s.776
RA (bottom/left)	20h00m41s.109

Dec (center)	+22°43′23″.90
Dec (top/left)	+22°53′10″.33
Dec (top/right)	+22°53′08″.94
Dec (bottom/right)	+22°33′31″.70
Dec (bottom/left)	+22°33′35″.50

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M27 The Dumbbell Nebula

M27 The Dumbbell Nebula

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M27 The Dumbbell Nebula

M27 The Dumbbell Nebula

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