There's also another much bigger but fainter one just below the centre of the image. Maybe just a photographic or processing aberation?
Cheers, Jeff ----- Original Message ----- From: Mark Abbott To: [email protected] Sent: Saturday, July 01, 2006 9:29 AM Subject: Re: [meteorite-list] Kepler Crater As Seen By SMART-1 That was my thought at first, but the ground resolution is approx. 150 meters per pixel, so I wouldn't think so... way too big for the spacecrafts shadow. Mark Gerald Flaherty wrote: > THE SHADOW OF THE SPACECRAFT?? > Jerry Flaherty > ----- Original Message ----- From: "Mark Abbott" <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Friday, June 30, 2006 5:17 PM > Subject: Re: [meteorite-list] Kepler Crater As Seen By SMART-1 > > >> >> Ron, >> >> Just curious. What's that small black dot in the upper right corner that >> slowly drifts off the picture to the right over several shots? >> >> Mark Abbott >> >> >> Ron Baalke wrote: >> >>> http://www.esa.int/esaSC/SEMBGLVT0PE_index_0.html >>> >>> Kepler Crater as seen by SMART-1 >>> European Space Agency 30 June 2006 >>> >>> This animation, made from images taken by the advanced Moon Imaging >>> Experiment (AMIE) on board ESA's SMART-1 spacecraft, shows Kepler >>> crater >>> on the Moon. >>> AMIE obtained this sequence on 13 January 2006 from a distance ranging >>> between 1613 and 1702 kilometres from the surface, with a ground >>> resolution between 146 and 154 metres per pixel. >>> >>> The imaged area is centred at a latitude of 37.8º South and longitude >>> 9.0º East. Kepler is a small young crater situated between Oceanus >>> Procellarum and Mare Insularum. It has a diameter of 32 km and it is >>> 2.6 >>> kilometres deep. >>> >>> Kepler displays a ray system that overlaps with rays from other craters >>> and which extends over 300 kilometres. The outer wall shows a slightly >>> polygonal shape. The interior walls of the crater are slumped and >>> slightly terraced, and descend to an uneven floor and a minor >>> central rise. >>> >>> >>> [Anaglyph image of Kepler crater] >>> >>> This particular sequence of images demonstrates the so called 'tracking >>> mode' of the SMART-1 spacecraft, used to track a fixed target when >>> flying over it. While flying over Kepler, the clear filter of the >>> camera >>> was always pointed to the same position. >>> >>> To stay within the thermal constraints, the spacecraft had to change >>> its >>> roll during the images acquisition, thus the image is slightly rotated >>> when passing from one frame to the next. >>> Thanks to the tracking mode it is possible to obtain information about >>> the size and roughness properties of the soil. It also allows multiple >>> stereo views of the target's topography. >>> >>> Kepler crater is named after Johannes Kepler (1571-1630), German >>> astronomer known for his three laws of planetary motion. >>> >>> >>> For more information >>> Jean-Luc Josset, SPACE-X Space Exploration Institute >>> Email: jean-luc.josset @ space-x.ch >>> >>> Bernard H. Foing, ESA SMART-1 Project Scientist >>> Email: bernard.foing @ esa.int >>> >>> ______________________________________________ >>> Meteorite-list mailing list >>> [email protected] >>> http://six.pairlist.net/mailman/listinfo/meteorite-list >>> >>> >> >> >> ______________________________________________ >> Meteorite-list mailing list >> [email protected] >> http://six.pairlist.net/mailman/listinfo/meteorite-list > > > ______________________________________________ Meteorite-list mailing list [email protected] http://six.pairlist.net/mailman/listinfo/meteorite-list ______________________________________________ Meteorite-list mailing list [email protected] http://six.pairlist.net/mailman/listinfo/meteorite-list
