Winter Quarters, at Low Ridge Haven |
Winter Quarters, at Low Ridge Haven |
Apr 14 2006, 02:00 AM
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#1
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Member Group: Members Posts: 166 Joined: 20-September 05 From: North Texas Member No.: 503 |
Since Spirit is no longer "Running for the Hills" and it appears that she will be staying at Low Ridge Haven for the next eight months or so, it seems like a good time to start a new topic.
I thought we could start with the great panorama stitched by jvandriel, and then altered by Tesheiner. We are going to become very familiar with this view in the coming months. David [attachment=5107:attachment] (286k) |
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Apr 21 2006, 08:26 PM
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#2
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Member Group: Members Posts: 866 Joined: 15-March 05 From: Santa Cruz, CA Member No.: 196 |
the incident angle shouldt matter too much sine the sandfield is not flat but wavy that vaiation should override and make somewhat insignifficant any change incident angle. otherwise ultreya would be very mottled looking based on its topography.
after cancelling out the effects of the filter used, i thought the 'lightening' of ultreya had more to do with the dynamic range of the exposure compressing the contrast between the soil values when a signifficant portion of the image is the sky, causing the white set point to hog the higher end of the dynamic range and robbing the darker portion of it contrast range. |
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