Viking Lander 1 detailed w/MRO, Results of imaging process VL1 detailed with MRO |
Viking Lander 1 detailed w/MRO, Results of imaging process VL1 detailed with MRO |
Aug 25 2007, 09:43 PM
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Senior Member Group: Members Posts: 1089 Joined: 19-February 05 From: Close to Meudon Observatory in France Member No.: 172 |
- PSP_001521_2025_RED.jp2 taken on 11 November 2006 (w/30.3 cm/pixel resolution) at 3:20 PM ; - PSP_001719_2025_RED.JP2 taken on 12 december 2006 (w/28.8 cm/pixel resolution) at 3:27 PM. So I decided to pixel overlap the 2 pictures retrieved from the LPL site at their maximum resolution (as "full JPEG 2000" images), knowing that each individual pixel from those 2 images would not cover exactly the same area on Mars. The goal was : 1. to gain some resolution over individual pictures ; 2. to assess the reality of some features as seen from orbit ; 3. to determine is some individual Lander components could be seen ; 4. to see an "average" site free from bad pixel and false features. After a painstaking process, here are the results on the 4 goals : 1. resolution gained : ==> not obvious on overlap image ; 2. reality of some features : ==> real features are seen on overlap image ; 3. Lander components : ==> some individual components discriminated ; 4. "average" site free from bad pixel and false features ==> goal attained. About the lander itself : the shadow seen for its high-gain antenna mast and for its antenna itself is narrow. This implies that the disk-shaped antenna was not facing the sun when the images were taken, meaning that the high-gain antenna is pointing either towards the north or towards the south. The same overlap processings were also applied to the area where the backshell touched down the surface with its parachute ==> An overlap image is seen also. About the landing site itself around Lander 1 with its features, please refer to the explanations given it the previous post : http://www.unmannedspaceflight.com/index.p...ost&p=79379 Enjoy ! |
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