Mars 16 Apr 2022 - 4 minute Stack (Seb Lukas)

Contains: Solar system body or event

Mars 16 Apr 2022 - 4 minute Stack

Acquisition type: Lucky imaging

Mars 16 Apr 2022 - 4 minute Stack

Acquisition type: Lucky imaging

Mars on Easter Sunday 17 Apr 2022 AEST.

Imaged planetary trifecta this morning: Mars, Saturn and Venus. The weather finally cooperated with a clear moonlit sky greeting me at 5am. It has been quite disappointing lately with persistent cloudy conditions and patches of fog before dawn.

Approximately 2,000 frames have been combined to produce this image of the Red Planet centered on the Elysium hemisphere. The volcanic peak is sporting a white orographic cloud on the planet's meridian. In the south Mare Cimmerium, Mare Tyrrhenum and Syrtis Minor dominate the view. The South Polar Cap appears to show a dark feature across its face and has a very well defined boundary separating it from more moderate latitudes.

This is the best out of five runs taken between 5:22 and 5:43 am Canberra time, it is centered on 5:41 am. The seeing has peaked around that time with conditions progressively getting worse as the sky brightened.

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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Mars 16 Apr 2022 - 4 minute Stack

Mars 16 Apr 2022 - 4 minute Stack

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Mars 16 Apr 2022 - 4 minute Stack

Mars 16 Apr 2022 - 4 minute Stack

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