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Old 18-03-2010, 10:00 PM
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Quark (Trevor)
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Join Date: Apr 2008
Location: Broken Hill NSW Australia
Posts: 4,104
Mars + Saturn March 17th in good seeing.

Hi All,

Had a night of extended very good seeing at 7/10.

Have attached 2 RGB Mars images, I could have got more detail by adding some IR or a synthetic "G" but I am very happy with how these turned out with just RGB. There is some nice cloud on the Western limb in both images and cloud of several volcano's the most notable of which is Olympus Mons.

Continued on with my imaging of Saturn, the seeing was very good right through to my final capture of this 5 hr 45 min capture session.

I have not labeled the features on the 5 RGB's presented here but I will attempt to describe the features of interest.

Sat 1
Note the small white spot just the the West of centre in the SEB, I believe this to be a long lived cloud feature.

Sat 2
The white spot in the SEB is now over to the East and a black dot can now be seen that has come in from the West, this is the shadow of the moon Dione. Very close to the shadow, just to the west and slightly South is a tiny white dot which is Dione.

Sat 3
The black Shadow of Dione is very well defined in this image, Dione is the tiny white spot almost touching the shadow slightly West and above.

Sat 4
The SED's related storm that I am tracking has just come into view in the STrZ over on the western limb in the upper part of the image.

Sat 5
The storm is now clearly visible, it was visible in the live feed of both R & G channels.

I have also attached an animation using 6 of my 7 RGB's, look closely at the amazing amount of movement in the atmosphere just below the ring plane on the border of the NEB.

Thanks for looking
Regards
Trevor
Attached Thumbnails
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Click for full-size image (s2010-03-17_16-00_rgb_tba.jpg)
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Click for full-size image (20100317SatRGBanim.gif)
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