Move your mouse over the picture to see the names of the various craters.
Hevelius is 3,900 million years old and 109 Km in diameter. It forms a nice
formation with Lohrmann to the south (about the same age and 32 Km in diameter) and
Cavalerius to the north which is considerably younger (<3,000 million years) and 60 Km
in diameter. I had some difficulty identifying Riccioli C; it is beyond the
terminator but its mountain ring is just catching the sunlight. Fortunately Hatfield's
plate 7d was taken at almost exactly the same lunation and shows the same appearance.
The scale markers are approximately 100 Km north and east and apply at Hevelius. The
arrow just below Riccioli C shows the position (as near as I can judge it) of the lunar equator.
The picture is a mosaic of two images taken with a ToUcam attached to my LX200 on 16th September 2005 at 20:50 UT,
when the Moon was 13.4 days old.
Date and Time
16th December 2004 20:50 UT
Camera
ToUcam 740K
Telescope
LX200 at prime focus with IR-pass filter
Capture
K3CCDTools. High gamma, 1/33", 30% gain, 671 and 462 frames
Processing
Registax. 109 and 93 frames stacked. Wavelet 1 = 10.
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