FreeLists / az-observing / [AZ-Observing] Re: Web Cam Saturn with a 5"

["Tom Polakis" <tpolakis@xxxxxxx>]

I didn't know that Saturn's A ring was redshifted.  The image is well 
focused, but the amount of sharpening in his processing is a bit high for 
my taste.  I bet his raw, stacked image would benefit from better 
processing.

To bring the topic back to observing, one interesting thing to look for 
is that Saturn's rings are now noticably less inclined than they were 
when it was in the evening sky last March, when his image was taken.  
Check out how Cassini's Division passes behind the globe in the March 
image to this one, taken recently by the master of Webcam imaging, Eric 
Ng.

http://www.ort.cuhk.edu.hk/ericng/Saturn_200312131646-1736_eric.jpg 

The difference in inclination is about 1.5 degrees.

Tom



> From the QCUIAG list this morning, an image of Saturn with a webcam
> and 5" EXT. From Peter Lloyd
> 51º 56' 53"N  0º 32' 05"W
>
> See
>
> http://homepage.ntlworld.com/peter.lloyd3/Saturn030319.jpg
>
> Remember this is with a 5" scope. Exceptional!
>
> Jeff
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