AGRIPPA

4.1N by 10.5E

LUNAR TRANSIENT PHENOMENA HISTORY

DAVID O. DARLING

"AGRIPPA: A fine crater 30 miles in diameter not far from Hyginus, near the border of the Mare Vaporum. Its walls, which rise to 800 feet, are terraced; and there is a central mountain. It forms a notable pair with its slightly smaller southern neighbor, Godin." Patrick Moore On the Moon January 2001.

Clementine image by N.A.S.A.

Agrippa is larger crater at top of pair.

This crater has a very interesting history when it comes to lunar transient phenomena. I myself have never witnessed any abnormality with this formation. The following graphs consists of data taken from the Lunar Transient Phenomena Catalog July 1978 NSSDC/WDC-A-R&S 78-05. The catalog was compiled by Winifred Sawtell Cameron. The publisher for this catalog is National Space Science Data Center (NSSDC) / World Data Center A for Rockets and Satellites (WDC-A-R&S) National Aeronautics and Space Administration, Goddard Space Flight Center Greenbelt, Maryland 20771.

The sunrise terminator passes over the Agrippa on the seventh day of lunation. As you can see by the above graph events are being reported from sunrise until sunset. No reports have been made when crater is located in the Earthshine region of the Moon. Also I have not received any reports concerning this crater from any observers.

The most dominate classification of phenomena reported is gaseous. This would indicate that what the observers reported had the appearance of a mist or obscuration, caused by out gassing. When examining this close up photograph taken by the Clementine space craft the crater floor does seem to exhibit a great number of domes on the western floor. It has been found that these same type of geologic feature are associated with Earth Volcanoes.

Clementine Photograph, N.A.S.A.