Mercury Flyby 2 |
Mercury Flyby 2 |
Feb 8 2008, 10:50 PM
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Member Group: Members Posts: 541 Joined: 17-November 05 From: Oklahoma Member No.: 557 |
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Nov 8 2008, 11:59 PM
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#2
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Senior Member Group: Members Posts: 1643 Joined: 5-March 05 From: Boulder, CO Member No.: 184 |
It's proving to be interesting to navigate the Mariner South Polar mosaic (middle link two posts up) in a consistent way with the other imagery. The location of Bach from the Mariner 10 basemap (and USGS Gazeteer) at latitude -68.5 S appears to be inconsistent with the position of the south polar crater Chao-Meng Fu in the map from the top link. This map has Bach straddling the -70 S line. My next step is to try and match the Mariner SP mosaic with the -68.5 S location of Bach. I'll be curious to see if the South Pole with this solution remains inside Chao-Meng Fu. Perhaps the Wikipedia position of this crater (87.3 S, 132 W) may be a good reference point as well.
In Phil's polar projection one can see the circular feature in the underlying radar data that looks like it may in fact be Chao-Meng Fu. A cursory glance suggests that the location seems consistent with the narration above, and with the suggestion that the South Pole may lie barely outside the rim of this crater. The south pole mosaic looks to be able to improve the resolution of my map south of around 55 S latitude, or maybe a bit further north. Steve |
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