Ghost of Jupiter (Bruce Rohrlach)

Celestial hemisphere: Southern · Constellation: Hydra (Hya) · Contains: Jupiter's Ghost Nebula · NGC 3242

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Ghost of Jupiter

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

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Ghost of Jupiter

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

Another quickly acquired image from last week (100 x 2 second subs for each of the RGB filters) - the 'Ghost of Jupiter' planetary nebula (NGC 3242) located in the constellation of Hydra. Also inadvertantly scored a close pass (at least visually) of the Soviet nuclear-powered Radar Ocean Reconnaissance Satellite (RORSAT). The RORSATS were designed to search the oceans for US Navy task forces and other shipping (altitude 795km, velocity 7.458 km/second).

The blue-green coloured planetary nebula is also called the Eye Nebula. At 26 x 16 arc seconds for it's inner core, it's about the same visual diameter as Jupiter. This 'planetary nebula' surrounds a star that has completed fusion in its core and has thrown off its outer layers to create this brief but beautiful cosmic display of violently ejected gas shells.

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	Basic success
Started	...
Astrometry.net job	3525617
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Ghost of Jupiter

Ghost of Jupiter

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Image Index:

Contribution Index (beta):

Ghost of Jupiter

Ghost of Jupiter

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

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