Move your mouse over the picture to see the names of the various features.
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Babbage is 148 Km in diameter but is so near the western limb that it appears highly distorted. Another large crater,
Pythagoras (133 km in diameter), is even more distorted in this picture, taken when the libration was highly unfavourable. Babbage is a very old
and battered formation and its depth is uncertain. Hoewever Pythagoras is much more recent and is 4800 metres deep.
The scale markers are approximately 100 Km north and east and show how distorted the picture is, due to perspective.
The picture was taken in infra-red light with a ToUcam attached to my LX200 on 31st August 2005 at 04:27 UT when the Moon was 26.3 days old.
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| Date and Time |
31st August 2005 04:27 UT |
Camera |
ToUcam 740K |
Telescope |
LX200 at prime focus (FL 2500 mm) with IR-pass filter |
Capture |
K3CCDTools. Low gamma, 1/25", 63% gain, 306 frames |
Processing |
Registax. 150 frames stacked. Wavelets 1-3 = 10, gamma 1.5, contrast 125 |
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