Jones-Emberson 1 aka Headphone Nebula (PK164+31.1) (DoubleStarPhotography)

Celestial hemisphere: Northern · Constellation: Lynx (Lyn) · Contains: PGC 139044 · PGC 2432671 · PGC 2433792 · PGC 2434803 · PGC 2436927 · PGC 2439677 · PGC 2439961 · PGC 2446585 · PGC 2448374 · PK164+31.1

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Jones-Emberson 1 aka Headphone Nebula (PK164+31.1)

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Jones-Emberson 1 aka Headphone Nebula (PK164+31.1)

Jones-Emberson 1, also known as the Headphone Nebula, is located at a distance of 578 parsecs or approximately 1,800 light years distant in the constellation Lynx.

The Headphone nebula is an approximately 13,000 year old planetary nebula with an angular diameter of about 380 arc seconds and a low surface brightness. At it’s center lies a very bluish white dwarf star with 0.63 solar masses and 16.8 magnitudes. The apparent visual brightness of the nebula is 17.1 magnitude.

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	9104783
PixInsight job	23VZR8YRCCIVCDM7T0UKL7NX64J0FMGD
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	07h57m50s.441
RA (top/left)	08h00m07s.930
RA (top/right)	08h00m00s.822
RA (bottom/right)	07h55m31s.751
RA (bottom/left)	07h55m41s.899

Dec (center)	+53°24′39″.47
Dec (top/left)	+53°05′14″.21
Dec (top/right)	+53°45′02″.38
Dec (bottom/right)	+53°43′54″.27
Dec (bottom/left)	+53°04′07″.53

Image Index:

Contribution Index (beta):

Jones-Emberson 1 aka Headphone Nebula (PK164+31.1)

Jones-Emberson 1 aka Headphone Nebula (PK164+31.1)

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Image Index:

Contribution Index (beta):

Jones-Emberson 1 aka Headphone Nebula (PK164+31.1)

Jones-Emberson 1 aka Headphone Nebula (PK164+31.1)

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

In these public groups

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