The Great Conjunction of Jupiter and Saturn 2020 (Roger Groom)

Contains: Solar system body or event

The Great Conjunction of Jupiter and Saturn 2020

The Great Conjunciton of Jupiter and Saturn from yesterday 21st December. This is my best attempt to date of processing some images from the event.

Processing this event's images poses some interesting questions. Do you process the images to show both planets in good detail at the sacrafice of accurate representation of their comparative brightness? Do you process the event to show their moons which again are fainter and otherwise maybe not shown? Do you process the one image from one photograph or video only, or use the best quality data from separate images/videos?

I have landed up using data from one video, processed it twice once for Jupiter and once Saturn, overlaid those two results on a single photograph of longer exposure showing the Moons of Jupiter. That photograph didn't feature any moons of Saturn, pehraps due to brighter twilight sky at the time or perhaps due to their relative brightness. The brightness of Saturn is slightly brighter than it would be comparative to Jupiter from a single exposure, I chose a middle-ground where it was more visible but still represented the fact it was considerably fainter than Jupiter.

This was taken through a 1970 orange tube C8 ... oh what a wonderful classic telescope! However, it odes have notable colour finging thanks to those anging optics, which again could have been remvoed in post-processing but I didn't (another debate to be had). My Canon 6D was used, recording direct to BackyardEOS on my laptop.

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

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The Great Conjunction of Jupiter and Saturn 2020

The Great Conjunction of Jupiter and Saturn 2020

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The Great Conjunction of Jupiter and Saturn 2020

The Great Conjunction of Jupiter and Saturn 2020

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