M76 (Gary Imm) - AstroBin

Celestial hemisphere: Northern · Constellation: Perseus (Per) · Contains: Barbell Nebula · Cork Nebula · Little Dumbbell · Little Dumbbell Nebula · M 76 · NGC 650 · NGC 651 · PK130-10.1

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M76

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M76

This famous planetary nebula, nicknamed the Little Dumbbell Nebula, is located 3,000 light years away in the constellation of Perseus at a declination of +52 degrees. It measures almost 3 arc-minutes in our apparent view, which translates to a diameter of about 3 light years.

This object is the dimmest nebula in the entire Messier catalog. The Little Dumbbell Nebula is named after its visual appearance in a telescope, where you can see only a very faint, grey dumbbell shape of the central bright region. Photographic images of this object more resemble its alternative nickname, the Apple Core Nebula. This planetary nebula is clearly bi-polar, with some OIII breakout at each end.

For many PN, we have an end-on view of the nebula which results in the central bright white region appearing as a torus (i.e., donut) to our apparent view. In contrast, this nebula presents a side-on view to us, so that the bright central region takes on a rectangular shape instead of a donut shape.

Looking at the Astrobin mouseover, note that this object has been given 2 NGC designations, one for the top red and white region and one for the bottom. These were initially believed to be 2 separate objects.

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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	Advanced success
Started	...
Astrometry.net job	3947877
PixInsight job	QCFIOLJ6CHECGGPF3UGTGUPCEEI7L0NR
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	01h42m19s.234
RA (top/left)	01h43m02s.939
RA (top/right)	01h41m34s.719
RA (bottom/right)	01h41m35s.650
RA (bottom/left)	01h43m03s.596

Dec (center)	+51°34′30″.16
Dec (top/left)	+51°39′20″.46
Dec (top/right)	+51°39′09″.93
Dec (bottom/right)	+51°29′38″.82
Dec (bottom/left)	+51°29′49″.15

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M76

M76

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M76

M76

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