Plinius Crater (Bruce Rohrlach)

Contains: Solar system body or event

Plinius Crater

Acquisition type: Lucky imaging

Plinius Crater

Acquisition type: Lucky imaging

Plinius crater on the NE quadrant of the lunar surface, near the boundary between the Sea of Serendipity and the Sea of Tranquillity (imaged 21 July 2019). Whilst Plinius is a medium-size crater (at 41 km wide), the depth of the crater (4300m deep, almost twice as deep as Mt Kosciuszko is high) gives you a sense of the prodigious volumes of material excavated from the lunar crust by this relatively modest young impact. If you have watched the recent television coverage of the Apollo 11 landing and recently seen the famous photo taken by Buzz Aldrin, an hour into their EVA, of his own boot-print in the 4-6 inches of talcum-powder-fine lunar dust (that many wrongly assume was Neil Armstrong’s boot print), you can picture impacts such as these over the eons on the far side of the lunar surface (which is more heavily cratered) raining dust over the near side of the lunar surface. Other craters captured here are Dawes, Ross and Al Bakri on the northern-most margin of Mare Tranquillitatis (Sea of Tranquility).

Skywatcher 8 inch/f5 Newt., ASI224mc, Televue 5x Powermate.

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	Distinct awarded users	Total awarded images
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	Image of the day	Top pick	Top pick nominations	Total submitted
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	Image of the day	Top pick	Top pick nominations	Total submitted
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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.

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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.
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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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