Big storm on Saturn |
Big storm on Saturn |
Dec 15 2010, 12:37 AM
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Member Group: Members Posts: 717 Joined: 3-December 04 From: Boulder, Colorado, USA Member No.: 117 |
The solar system is a happening place this week! I just learned of a major storm in Saturn's northern hemisphere, being monitored by the usual band of talented amateurs. See this site for a list of recent images. Chris Go's site has a particularly nice image.
John |
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Dec 31 2010, 04:49 AM
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Senior Member Group: Moderator Posts: 2785 Joined: 10-November 06 From: Pasadena, CA Member No.: 1345 |
Here is my new and improved EXCEL spreadsheet for predicting Saturn storm visibility from Earth. It is based on ground-based observations and starts from Dec 10 and projects forward to Jan 24, 2011. (It correlates to images already acquired between Dec 10 and Dec. 27th.)
Assuming a "System II" cloud rotation rate of 10 h 39 min, the storm is tracking westwards 3 min every Saturn rotation. Effectively the storm is rotating around Saturn every 10 h 42 min as viewed from Earth. The best views will be about 30 minutes or so before the storm is at dead center on Saturn's disk. Enjoy! Saturn_Storm_spotting_from_Earth__Dec_10_2010___Jan_24_2011__UPDATE_20101230.xls ( 43K ) Number of downloads: 559 -------------------- Some higher resolution images available at my photostream: http://www.flickr.com/photos/31678681@N07/
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