Difference between revisions of "September 10, 2009"
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| − | <em>image by [mailto:swalker@skyandtelescope.com Sean Walker]</em> Manchester, NH.<br /> | + | <em>image by [mailto:swalker@skyandtelescope.com" rel="nofollow Sean Walker]</em> Manchester, NH.<br /> |
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How many oddities do you see in this image?<br /> | How many oddities do you see in this image?<br /> | ||
| − | The craters, Atlas and Hercules in front and Endymion, the smooth-floored one near the terminator, don't count. Lets start with the obvious - the concentric rilles and dark halo craters that yank Atlas from the classification of normal complex crater into the more exclusive floor-fractured category. What else? Hmm. How about the mare ridge like feature down the middle of Endymion. Does this mean the floor material is lava? Probably - it is dark at [http://www.lpi.usra.edu/resources/cla/info/ai/ full Moon]. Ok, something else. Notice the small bright spot to the bottom right of Atlas. [http://www.mapaplanet.org/explorer-bin/explorer.cgi?map=Moon&layers=moon_clementine_base_v2&west=48.34&south=45.86&east=51.15&north=47.28&center_lat=&center=49.745&defaultcenter=on&grid=none&stretch=none&projection=SIMP&r=1&g=1&b=1&advoption=NO&info=NO&resolution=256&scale=0.23690&imageTopX=-85402.8750136495&imageTopY=1455402.3929163814 Clementine] shows it to be a fresh oblique impact crater with a zone of avoidance (to the bottom right) just like Proclus. Sean's low Sun image reveals that the bright pit is at the south end of a little hill that casts a shadow. There is no sign of the "hill" on Clementine, but there is a dark, unrayed zone, in the same spot. Hmm. One final odd feature - notice the line of bright hills north of Hercules that extends toward Endymion? Is it real, or a chance alignment that our eyes and brains, at least mine, make more out of then is there? Clementine does [http://www.mapaplanet.org/explorer-bin/explorer.cgi?map=Moon&layers=moon_clementine_base_v2&west=36.50&south=46.70&east=47.73&north=52.39&center_lat=&center=42.115&defaultcenter=on&grid=none&stretch=none&projection=SIMP&r=1&g=1&b=1&advoption=NO&info=NO&resolution=64&scale=0.94760&imageTopX=-340663.8953387737&imageTopY=1674891.3352191448 show] that there are little ridges and bright spots, but does not answer the question. What is your opinion (backed up by images)?<br /> | + | The craters, Atlas and Hercules in front and Endymion, the smooth-floored one near the terminator, don't count. Lets start with the obvious - the concentric rilles and dark halo craters that yank Atlas from the classification of normal complex crater into the more exclusive floor-fractured category. What else? Hmm. How about the mare ridge like feature down the middle of Endymion. Does this mean the floor material is lava? Probably - it is dark at [http://www.lpi.usra.edu/resources/cla/info/ai/" rel="nofollow full Moon]. Ok, something else. Notice the small bright spot to the bottom right of Atlas. [http://www.mapaplanet.org/explorer-bin/explorer.cgi?map=Moon&layers=moon_clementine_base_v2&west=48.34&south=45.86&east=51.15&north=47.28&center_lat=&center=49.745&defaultcenter=on&grid=none&stretch=none&projection=SIMP&r=1&g=1&b=1&advoption=NO&info=NO&resolution=256&scale=0.23690&imageTopX=-85402.8750136495&imageTopY=1455402.3929163814" rel="nofollow Clementine] shows it to be a fresh oblique impact crater with a zone of avoidance (to the bottom right) just like Proclus. Sean's low Sun image reveals that the bright pit is at the south end of a little hill that casts a shadow. There is no sign of the "hill" on Clementine, but there is a dark, unrayed zone, in the same spot. Hmm. One final odd feature - notice the line of bright hills north of Hercules that extends toward Endymion? Is it real, or a chance alignment that our eyes and brains, at least mine, make more out of then is there? Clementine does [http://www.mapaplanet.org/explorer-bin/explorer.cgi?map=Moon&layers=moon_clementine_base_v2&west=36.50&south=46.70&east=47.73&north=52.39&center_lat=&center=42.115&defaultcenter=on&grid=none&stretch=none&projection=SIMP&r=1&g=1&b=1&advoption=NO&info=NO&resolution=64&scale=0.94760&imageTopX=-340663.8953387737&imageTopY=1674891.3352191448" rel="nofollow show] that there are little ridges and bright spots, but does not answer the question. What is your opinion (backed up by images)?<br /> |
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| − | <em>[mailto:tychocrater@yahoo.com Chuck Wood]</em><br /> | + | <em>[mailto:tychocrater@yahoo.com" rel="nofollow Chuck Wood]</em><br /> |
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<strong>Technical Details</strong><br /> | <strong>Technical Details</strong><br /> | ||
| − | Sept 6, 2009. C-14 f/11, DMK21AU04.AS, Baader IR-pass filter; excerpt from a [http://lpod.wikispaces.com/file/detail/Northeast_09-09-06_SeanWalker_Sep-10-2009_LPOD_supplement.jpg mosaic of 12 frames] (3:56 and 4:10 UT).<br /> | + | Sept 6, 2009. C-14 f/11, DMK21AU04.AS, Baader IR-pass filter; excerpt from a [http://lpod.wikispaces.com/file/detail/Northeast_09-09-06_SeanWalker_Sep-10-2009_LPOD_supplement.jpg" rel="nofollow mosaic of 12 frames] (3:56 and 4:10 UT).<br /> |
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<strong>Related Links</strong><br /> | <strong>Related Links</strong><br /> | ||
Rükl plates [http://the-moon.wikispaces.com/R%C3%BCkl+7 7], [http://the-moon.wikispaces.com/R%C3%BCkl+14 14] & [http://the-moon.wikispaces.com/R%C3%BCkl+15 15]<br /> | Rükl plates [http://the-moon.wikispaces.com/R%C3%BCkl+7 7], [http://the-moon.wikispaces.com/R%C3%BCkl+14 14] & [http://the-moon.wikispaces.com/R%C3%BCkl+15 15]<br /> | ||
| − | An overhead [http://www.lpod.org/?m=20060902 view] of Endymion.<br /> | + | An overhead [http://www.lpod.org/?m=20060902" rel="nofollow view] of Endymion.<br /> |
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<hr /> | <hr /> | ||
Revision as of 18:12, 4 January 2015
Oddities
image by " rel="nofollow Sean Walker Manchester, NH.
How many oddities do you see in this image?
The craters, Atlas and Hercules in front and Endymion, the smooth-floored one near the terminator, don't count. Lets start with the obvious - the concentric rilles and dark halo craters that yank Atlas from the classification of normal complex crater into the more exclusive floor-fractured category. What else? Hmm. How about the mare ridge like feature down the middle of Endymion. Does this mean the floor material is lava? Probably - it is dark at " rel="nofollow full Moon. Ok, something else. Notice the small bright spot to the bottom right of Atlas. " rel="nofollow Clementine shows it to be a fresh oblique impact crater with a zone of avoidance (to the bottom right) just like Proclus. Sean's low Sun image reveals that the bright pit is at the south end of a little hill that casts a shadow. There is no sign of the "hill" on Clementine, but there is a dark, unrayed zone, in the same spot. Hmm. One final odd feature - notice the line of bright hills north of Hercules that extends toward Endymion? Is it real, or a chance alignment that our eyes and brains, at least mine, make more out of then is there? Clementine does " rel="nofollow show that there are little ridges and bright spots, but does not answer the question. What is your opinion (backed up by images)?
" rel="nofollow Chuck Wood
Technical Details
Sept 6, 2009. C-14 f/11, DMK21AU04.AS, Baader IR-pass filter; excerpt from a " rel="nofollow mosaic of 12 frames (3:56 and 4:10 UT).
Related Links
Rükl plates 7, 14 & 15
An overhead " rel="nofollow view of Endymion.
