Difference between revisions of "October 10, 2011"
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=Dark Rays?= | =Dark Rays?= | ||
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<em>image by [mailto:danielegasparri@yahoo.it Daniele Gasparri], Perugia (Italy)</em><br /> | <em>image by [mailto:danielegasparri@yahoo.it Daniele Gasparri], Perugia (Italy)</em><br /> | ||
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| − | Rotating the Moon to center the miniature Tycho presents a slightly less familiar view. Can you identify it? | + | Rotating the Moon to center the miniature Tycho presents a slightly less familiar view. Can you identify it? |
| − | Zucchius is the Tycho imposter, and above it, nearly lost in the topo-robbing high Sun is Bailly, and below | + | Zucchius is the Tycho imposter, and above it, nearly lost in the topo-robbing high Sun is Bailly, and below |
| − | is the Schiller-Zucchius Basin (SZB). On the limb at one o'clock from Zucchius is Hausen and the peaks | + | is the Schiller-Zucchius Basin (SZB). On the limb at one o'clock from Zucchius is Hausen and the peaks |
| − | sticking above the limb to Hausen's left are the no longer officially named [ | + | sticking above the limb to Hausen's left are the no longer officially named [https://the-moon.us/wiki/Montes_Doerfel Doerfel Mountains] of Schröter. |
| − | Now that the distant geography (or selenography) is straight, look at the mottled dark area near bottom- | + | Now that the distant geography (or selenography) is straight, look at the mottled dark area near bottom-center. This is the mare fill inside the SZB, dusted with bright ejecta from Zucchius and maybe some from |
| − | center. This is the mare fill inside the SZB, dusted with bright ejecta from Zucchius and maybe some from | + | Orientale. I've stretched the contrast of the image to make the mare material darker, and two dark halo |
| − | Orientale. I've stretched the contrast of the image to make the mare material darker, and two dark halo | + | craters confirm the lavas under bright ejecta. Finally, look at Zucchius itself. Notice the small rays of dark |
| − | craters confirm the lavas under bright ejecta. Finally, look at Zucchius itself. Notice the small rays of dark | + | material on its northern rim. This shows up on other high Sun images, and LRO NAC closeups on the LRO |
| − | material on its northern rim. This shows up on other high Sun images, and LRO NAC closeups on the LRO | + | Quick Map [http://target.lroc.asu.edu/da/qmap.html site] show this part of the rim to be veneered with a powder-like material. I doubt if it is volcanic |
| − | Quick Map [http://target.lroc.asu.edu/da/qmap.html site] show this part of the rim to be veneered with a powder-like material. I doubt if it is volcanic | + | ash, and I don't know exactly how pulverised mare material would get just on one side of the rim. |
| − | ash, and I don't know exactly how pulverised mare material would get just on one side of the rim. <br /> | + | <br /> |
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<em>[mailto:tychocrater@yahoo.com Chuck Wood]</em><br /> | <em>[mailto:tychocrater@yahoo.com Chuck Wood]</em><br /> | ||
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<strong>Related Links</strong><br /> | <strong>Related Links</strong><br /> | ||
| − | Rükl plate [ | + | Rükl plate [https://the-moon.us/wiki/R%C3%BCkl_71 71]<br /> |
Daniele's [http://www.danielegasparri.com/ website]<br /> | Daniele's [http://www.danielegasparri.com/ website]<br /> | ||
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| + | <hr /> | ||
<p><b>Yesterday's LPOD:</b> [[October 9, 2011|Still Waiting]] </p> | <p><b>Yesterday's LPOD:</b> [[October 9, 2011|Still Waiting]] </p> | ||
<p><b>Tomorrow's LPOD:</b> [[October 11, 2011|Ready Made LPOD]] </p> | <p><b>Tomorrow's LPOD:</b> [[October 11, 2011|Ready Made LPOD]] </p> | ||
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Latest revision as of 18:55, 13 October 2018
Dark Rays?
image by Daniele Gasparri, Perugia (Italy)
Rotating the Moon to center the miniature Tycho presents a slightly less familiar view. Can you identify it?
Zucchius is the Tycho imposter, and above it, nearly lost in the topo-robbing high Sun is Bailly, and below
is the Schiller-Zucchius Basin (SZB). On the limb at one o'clock from Zucchius is Hausen and the peaks
sticking above the limb to Hausen's left are the no longer officially named Doerfel Mountains of Schröter.
Now that the distant geography (or selenography) is straight, look at the mottled dark area near bottom-center. This is the mare fill inside the SZB, dusted with bright ejecta from Zucchius and maybe some from
Orientale. I've stretched the contrast of the image to make the mare material darker, and two dark halo
craters confirm the lavas under bright ejecta. Finally, look at Zucchius itself. Notice the small rays of dark
material on its northern rim. This shows up on other high Sun images, and LRO NAC closeups on the LRO
Quick Map site show this part of the rim to be veneered with a powder-like material. I doubt if it is volcanic
ash, and I don't know exactly how pulverised mare material would get just on one side of the rim.
Chuck Wood
Technical Details
September 17th, 2011 with a Celestron C14 @ f11, Lumenera LU075m camera and an IR 700nm filter.
Related Links
Rükl plate 71
Daniele's website
Yesterday's LPOD: Still Waiting
Tomorrow's LPOD: Ready Made LPOD
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