Spring at Cape York, Sol 2947 (after Greeley Haven) - sol 3040 |
Spring at Cape York, Sol 2947 (after Greeley Haven) - sol 3040 |
May 13 2012, 12:11 PM
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Solar System Cartographer Group: Members Posts: 10157 Joined: 5-April 05 From: Canada Member No.: 227 |
Time for a new topic, I think.
A bit of monkey business with the FHAZ from 2952 shows the nature of the latest drive. Phil -------------------- ... because the Solar System ain't gonna map itself.
Also to be found posting similar content on https://mastodon.social/@PhilStooke Maps for download (free PD: https://upload.wikimedia.org/wikipedia/comm...Cartography.pdf NOTE: everything created by me which I post on UMSF is considered to be in the public domain (NOT CC, public domain) |
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May 30 2012, 02:18 AM
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Member Group: Members Posts: 754 Joined: 9-February 07 Member No.: 1700 |
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May 31 2012, 06:17 AM
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Member Group: Members Posts: 404 Joined: 5-January 10 Member No.: 5161 |
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May 31 2012, 06:35 AM
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Member Group: Members Posts: 404 Joined: 5-January 10 Member No.: 5161 |
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May 31 2012, 10:46 AM
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Member Group: Admin Posts: 976 Joined: 29-September 06 From: Pasadena, CA - USA Member No.: 1200 |
... Looks like the micro camera shot the left side from different angle than the right, as those planes are not parallel. ... That is correct. Since Oppy's Az actuator no longer works the way we shoot 2x2 (or 2xn in general) is to turn the turret 5 deg to the left then turn 5 deg to the right from the center plane where the IDD can move. The two stacks (see my interview with Stu where I explain what an MI stack is) are shot with the boresight a total of 10 deg apart which make the two frames about 25mm apart. The two stacks are not parallel to each other but the resulting geometric distortion is small enough that can be removed on the ground. In fact the major issue is not stitching two stacks together but the fact that the within a single MI stack each frame is centered in a slightly different position which makes certain surfaces quite difficult to image (Winter haven MI mosaic is one good example). Paolo -------------------- Disclaimer: all opinions, ideas and information included here are my own,and should not be intended to represent opinion or policy of my employer.
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