Clouds, Clouds over Victoria |
Clouds, Clouds over Victoria |
Oct 9 2006, 11:46 AM
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#1
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Senior Member Group: Members Posts: 2837 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 |
With the images of clouds coming down, it is time for a new thread.
Here is just part of a panorama. Autostitch was not able to stitch more than those 2 images of 4 images. I think because there are not enough matching points. Maybe one of the other programms can do it better? Taken with the L0 navcam on Sol 962. jvandriel EDIT. I have done my math again and the Sol is not Sol 962 but Sol 950. I know there is a little program for finding the right Sol but i can't find it. jvandriel |
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Guest_Myran_* |
Oct 25 2006, 08:02 PM
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#2
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Guests |
QUOTE elakdawalla wrote: I always thought it precipitated in place but there are lots of researchers using the word "snow" so now I'm really confused. Anybody have any insight? Well I dont have any real insight, but I have always thought that the 'snow' imagined by Viking actually was hoarfrost. |
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Oct 29 2006, 09:11 AM
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#3
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Senior Member Group: Members Posts: 1870 Joined: 20-February 05 Member No.: 174 |
The Viking Lander cameras had a clear-glass dust-shield that vignetted the extreme top of the field of view (I think 40 deg above the horizon) The vignetting was different for each color channel (not filter.. the cameras used physically separate photodiodes for each color band. 3 vis, 3 infrared channels, 1 broadband, 1 high opacity sun channel, and 4 focus-steps for high resolution imaging. The vignetting proved somewhat useful as it let Viking image closer to the sun in the sky for atmosphere scattering properties that would have been otherwise possible.
During the extended mission, they jettisoned one or two of the dust shields but saw little effect: not much accumulated dust. |
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