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| Fuzzy Image of Saturn with Black Center | 5.23.2008 13:40 |
| The third image I have received back from the Bradford Robotic Telescope is a shot of Saturn taken on 2008-05-18 at 22:28:50 (UTC). Exposure duration is 35ms, no filter, job id: J59031. As you can see: | |
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© Bradford Robotic Telescope 2008, used with permissionit came out large, fuzzy (unfocused perhaps?), and most notably with a large black dot in the center. I checked other images taken before and after this one, and they looked fine, with good focus and no clouds or anything. If anybody knows why it came out this way, or any educated guesses, write a comment. My guesses are either that a gust of wind disturbed the telescope, making the planet swirl in circle(s), or that dew formed on that part of the aperture lens. Here's another rendition of it, with a lower brightness setting: | |
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© Bradford Robotic Telescope 2008, used with permissionThis one looks kind of like Jupiter, which caused me to double check the RA/Dec in the FITS file header with the position of Saturn calculated by the Horizons tool, in case the telescope software somehow pointed at Jupiter instead, but that did not turn out to be the case. | |
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© 2008, Andrew Ging