Composite Image of Clavius (walkman)

Contains: Solar system body or event

Composite Image of Clavius

Acquisition type: Lucky imaging

Composite Image of Clavius

Acquisition type: Lucky imaging

We had a rare clear night in Hilo June 27 so I was able to do some lunar imaging. Clavius, one of my favorite lunar features, was near the terminator. The image on the left of this composite image is Clavius as captured by the C11. I was pleased with the detail that I was able to capture using a Celestron C11 and a ZWO ASI678MC planetary camera. Because Clavius is located in the southern highlands region of the Moon, it is typically seen in images as elliptical in shape instead of its true circular form due to foreshortening as viewed from the Earth. To try to correct the foreshortening of Clavius, I used the free WinJUPOS software to re-project my Clavius image to show it as it would look to a viewer directly above Clavius. This is the middle image in my composite image above.

The image on the right of my composite image is a screenshot from Wikipedia of Clavius as imaged by the Lunar Reconnaissance Orbiter Camera (LROC). It is a sunset image of Clavius as opposed to my sunrise image but is almost the same orientation. The LROC image has, as expected, greater resolution than my image but I was impressed with the detail that I was able to capture from my yard in Hilo, Hawaii. Clicking on the image will show an enlarged view. By clicking on the red Full Resolution button in the upper right, you will be able to do a more detailed comparison of my re-projected center image and the LROC screenshot.

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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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