Eratosthenes crater
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640 x 554 Pixel (635135 Bytes)
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- Taken by Tom Ruen
- Date: Saturday May 6, 2006
- Camera: Olympus 4000Z, 1/13 second, 400iso, 3x zoom
- Telescope: 6" F/8 reflector, 25mm eyepiece with 2x barlow
- Manipulation: rotated north up, cropped, brightened with gamma enhanced contrast
Licens:
Public domain
Yderligere oplysninger om licens til billedet kan findes her. Sidste ændring: Thu, 26 Jan 2023 19:34:14 GMT