29-30 August 2007 Icy Satellites (rev 49), Last stop on the road to Iapetus |
29-30 August 2007 Icy Satellites (rev 49), Last stop on the road to Iapetus |
Aug 9 2007, 10:40 PM
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SewingMachine Group: Members Posts: 316 Joined: 27-September 05 From: Seattle Member No.: 510 |
CICLOPS' Rev 49 Looking Ahead page is up. Highlights include a fourth monthy Voyager-class encounter with Tethys with 500m resolution over Odysseus (finally!)
Detailed mosaics of Rhea's prominent ray crater and points west are on tap for Old Scabby's second closeup. This should be a really cool periapsis passage to tide us over until the 10th of September. -------------------- ...if you don't like my melody, i'll sing it in a major key, i'll sing it very happily. heavens! everybody's all aboard? let's take it back to that minor chord...
Exploitcorporations on Flickr (in progress) : https://www.flickr.com/photos/135024395@N07/ |
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Sep 1 2007, 11:15 AM
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Member Group: Members Posts: 270 Joined: 29-December 04 From: NLA0: Member No.: 133 |
A rough 8 frame Rhea mosaic:
http://paranoid.dechengst.nl/saturn/Rhea-0...30-AUG-2007.jpg (1.8 MB) It doesn't look too great with all the noise and stuff but a least it gives an impression. -------------------- PDP, VAX and Alpha fanatic ; HP-Compaq is the Satan! ; Let us pray daily while facing Maynard! ; Life starts at 150 km/h ;
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Sep 1 2007, 03:54 PM
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Senior Member Group: Members Posts: 3652 Joined: 1-October 05 From: Croatia Member No.: 523 |
A rough 8 frame Rhea mosaic: It doesn't look too great with all the noise and stuff but a least it gives an impression. Great mosaic stitchwork, DEChengst! Did you use any special software for this? As for the noise, this showcases why histogram stretching for JPEG raws is basically a must for low contrast targets. -------------------- |
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Sep 1 2007, 04:41 PM
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Member Group: Members Posts: 270 Joined: 29-December 04 From: NLA0: Member No.: 133 |
Did you use any special software for this? Not really. Just used Photoshop to interpolate the missing lines (deinterlace filter), levels correction and cropping off the white borders. Stitching was done with PTGUI and Smartblend. The stitching is pretty much automatic with just some manual tinkering with the parameters. QUOTE As for the noise, this showcases why histogram stretching for JPEG raws is basically a must for low contrast targets. Yep. The raw images look pretty bland. This is pretty evident in the filesize. They're only 40-60 KB a piece, while normally you expect something like 100-250 KB. I guess I'll have to wait for the PDS release as I lack the Photoshop skills to fix this. -------------------- PDP, VAX and Alpha fanatic ; HP-Compaq is the Satan! ; Let us pray daily while facing Maynard! ; Life starts at 150 km/h ;
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