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- 2003.09.04 This is the best image of Mars I've taken. It was taken on Friday, August 29, at about 1 a.m. Pacific. The equipment and techniques I used were as follows, with references. The camera was originally based on a QuickCam Express, but since that is a PC-only camera, I removed the guts and replaced them with the parts from a QuickCam 3000 (www.logitech.com), which is cross platform. The camera mount consists basically of a small black project box with a 1-1/4" outside diameter tube attached to a hole in the box; the CCD chip lies in the bottom of the hole, surrounded by black electrical tape to absorb stray light. The telescope I and a couple of friends, Ray Kuntz and Eric Chamberlain, used was a 10" Meade SCT, specifically an LX200 GPS, which is pretty fun to use. This telescope aligns itself, or nearly so. All you have to do is verify a couple of stars and, presto, you're in business. Basically I centered Mars, then moved the image down in the field of view until it matched the relative position of the CCD in the tube, popped out the eyepiece, put in the camera, refocused, and started recording. There was a 2x barlow in the light path for this image.
When doing this sort of observing, it is important to save your work frequently. Finally, using a program called Keith's
Image Stacker, I selected about 20 of the best frames from the
movie, then nudged I intend to register all the the shareware mentioned above soon, so I can run longer sessions without being interrupted by shareware notices. Have fun! Jeff Adkins is a science teacher who isn't afraid to state his preferences in computing platforms. In his classroom he has everything from a beige All-in-One to a a G4 XServe, and they all work together nicely. He calls himself the "poster child for technology integration" in the classroom. He was the 2006 Outstanding Educator of the Year for the California Computer Using Educators (CUE) organization. He also maintains a site for astronomy teachers at www.AstronomyTeacher.com. Recent Mac Lab Reports
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