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Old 26-04-2013, 06:03 PM
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Quark (Trevor)
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Saturn April 24th & 25th

Hi All,

Imaged Saturn April 24th & 25th. April 24th was in fair seeing and nothing really jumps out at me in the data although there are some diffuse white spots in the NEB.

Captured data over a 3 hr session April 25th, the seeing was quite reasonable early then went west before stabilizing just in time to image the dark spot.



Of interest in my first data set is a quite bright, concentrated spot in the EZ. I have imaged this previously and it is included in my spread sheet, in the same data set is a bright spot in the NEB.



Have included a R channel animation, only 3 frames over the 3 hours. The bright EZ spot can be seen close to the P limb, the bright NEB spot pops in and out approx midway between the F limb & the CM while the dark spot down on the storm remnant is in the final 2 of 3 frames and moves from the F side to the CM. The dark spot also shows up nicely in the polar projections of the R & IR data.

Thanks for looking .


Regards
Trevor
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Old 26-04-2013, 06:05 PM
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Quark (Trevor)
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April 24th
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  #3  
Old 26-04-2013, 07:02 PM
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Nice images Trev. I really like your colouring. Must be those Astrodons.
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Old 26-04-2013, 07:10 PM
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Always enjoy these Trevor.In the 16" I can just make out a slightly yellow hue when the seeing is good.Its a good thing your not up here .Very few clear nights in the last three months.
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Old 26-04-2013, 07:48 PM
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Great images Trevor!

Eric
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Old 26-04-2013, 07:58 PM
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The 16" give a nice image, very pleasing to look at.
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Old 26-04-2013, 07:59 PM
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Very smooth Reds and IR, seeing has been bad in SE Qld but may try tomorrow. Interesting spots, shame seeing varies so much during a session.

John.
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Old 26-04-2013, 08:06 PM
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DavidU (Dave)
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Awesome Trev, the top set are very sharp..
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Old 26-04-2013, 10:48 PM
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Quote:
Originally Posted by DavidU View Post
Awesome Trev, the top set are very sharp..
Thanks David, still have not snagged a night of very good seeing this apparition for a really hi res result but as long as I can resolve the target detail I am after I am happy.

Quote:
Originally Posted by John Hothersall View Post
Very smooth Reds and IR, seeing has been bad in SE Qld but may try tomorrow. Interesting spots, shame seeing varies so much during a session.

John.
Thanks John, the variability in conditions is a pain, normally out here the seeing holds up quite well but on this night it swung considerably over the 3 hours of the session.

Quote:
Originally Posted by Solar View Post
The 16" give a nice image, very pleasing to look at.
Thanks Ralph, a large aperture certainly helps for planetary imaging.

Quote:
Originally Posted by EricB View Post
Great images Trevor!

Eric
Thanks Eric.

Quote:
Originally Posted by Derek Klepp View Post
Always enjoy these Trevor.In the 16" I can just make out a slightly yellow hue when the seeing is good.Its a good thing your not up here .Very few clear nights in the last three months.
Thanks Derek, we get a considerable number of clear nights out here at Broken Hill, although this year many of those clear nights have been spoiled by the jetstream.

Quote:
Originally Posted by Paul Haese View Post
Nice images Trev. I really like your colouring. Must be those Astrodons.
Thanks Paul, yes, I really do like the Astrodons.

Last edited by Quark; 26-04-2013 at 10:49 PM. Reason: error
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  #10  
Old 26-04-2013, 11:24 PM
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I love being able to see the planet through the Cassini division and also the c ring on the planet and in the ring gaps.
Allan
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  #11  
Old 27-04-2013, 05:26 AM
U.K.Cowboy (Stuart)
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  #12  
Old 27-04-2013, 08:37 AM
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Nice images Trevor
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  #13  
Old 28-04-2013, 10:13 AM
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Shiraz (Ray)
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nice data Trevor. regards ray
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