Kraken Mare through polarisers, Cassini looks for lake shine |
Kraken Mare through polarisers, Cassini looks for lake shine |
Mar 29 2009, 08:56 AM
Post
#1
|
|
Senior Member Group: Members Posts: 3516 Joined: 4-November 05 From: North Wales Member No.: 542 |
The latest 'looking ahead' gives a nice description of the pi-transfer, introducing the curious concept of a 'rev' that is only half a revolution. It also contains this sentence:
"With Kraken Mare near the field of view, scientists can also use this effort to see how using polarization filters affects the appearance of large bodies of liquid methane on Titan." Titan followers here may remember why I'm excited about that. http://www.unmannedspaceflight.com/uploads...78901_thumb.jpg |
|
|
Jun 14 2011, 11:37 AM
Post
#2
|
|
Senior Member Group: Members Posts: 3516 Joined: 4-November 05 From: North Wales Member No.: 542 |
Well, here we go again, and this time I think there may be a detectable effect. The images in question are N00172716 (P0 and CB2), N00172717 (P60 and CB2) and N001728 (P120 and CB2). It's my impression that the lake looks slightly darker, and hence more visible, in the P0 image than in the other two. Of course I have no idea whether the polarisation, if present, is happening at the lake suface or higher in the atmosphere.
Anyhow, I have a request which I hope will interest somebody with the necessary image processing skills. I would like to see ratio images with N00172716 and either, or each, of the other two. |
|
|
Lo-Fi Version | Time is now: 23rd September 2024 - 07:39 AM |
RULES AND GUIDELINES Please read the Forum Rules and Guidelines before posting. IMAGE COPYRIGHT |
OPINIONS AND MODERATION Opinions expressed on UnmannedSpaceflight.com are those of the individual posters and do not necessarily reflect the opinions of UnmannedSpaceflight.com or The Planetary Society. The all-volunteer UnmannedSpaceflight.com moderation team is wholly independent of The Planetary Society. The Planetary Society has no influence over decisions made by the UnmannedSpaceflight.com moderators. |
SUPPORT THE FORUM Unmannedspaceflight.com is funded by the Planetary Society. Please consider supporting our work and many other projects by donating to the Society or becoming a member. |