Jupiter (Bruce Rohrlach)

Contains: Solar system body or event

Jupiter

Acquisition type: Lucky imaging

Spent some time imaging Jupiter on Saturday night last weekend, it’s been a while.

Comprising mostly hydrogen and helium, Jupiter has a chemical composition quite similar to the sun, and comprises most of the material that was left over in the solar system following gas accretion that collapsed and ignited the sun. Jupiter however did not have enough mass to undergo fusion in its core and self ignite.

Most of the planet is made of gases and liquids at various pressures, and so it’s rapid rotation (1 day = 9 hours 56 mins) results in the shear banding that gives Jupiter its rich tapestry of colours. Some 12 main zonal bands and belts are defined in the ammonia-rich uppermost atmosphere.

Deep in the planet where pressures rise, the atmosphere transitions ”gradually” downward into the largest liquid ocean in the solar system - only the ocean is not liquid water, but liquid hydrogen.

It’s is thought Jupiter has a rocky core that is around 14-18 times the mass of earth, but only 5% of Jupiters mass.

Quite happy with the seeing conditions and resolution from this rather modest 8 inch scope.

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.

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Astrometry.net job	n/a
PixInsight job	n/a
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