September 2, 2007
ToUcam Pro (640x480) with Baader Planetarium IR-Pass Filter
Nature Center - Owl Observatory
f/10 LX200 Schmidt-Cassegrain
acquired with IRIS. RegiStax 4 aligned and stacked 35 of
601 images. Wavelet filters adjusted with RegiStax.
Further enhancements made
with Adobe Photoshop 7.0.
is the crater shown in the center of the
image. It's named for the Greek astronomer and pupil of
Plato. He developed
a system of concentric spheres, rotating about the Earth (considered
of the universe at the time), to explain the motions of celestial
Eudoxus is 67 km (42 miles) in diameter and contains fine-structured
walls. Aristoteles is the larger crater (87 km or 54 miles in
above Eudoxus and is named for the famous Greek philosopher.
Eudoxus is the greatly eroded crater Alexander, named after none other
Alexander the Great. It's slightly smaller in diameter than
(82 km or 51 miles).