Difference between revisions of "March 7, 2005"
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=One Good Occultation Deserves Another= | =One Good Occultation Deserves Another= | ||
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| − | <tr><td><div align="center" class="main_sm">Image Credit: [mailto:acedrill@ozonline.com.au John Robinson] and Arthur Coombs</p> | + | <tr><td><div align="center" class="main_sm"><p>Image Credit: [mailto:acedrill@ozonline.com.au John Robinson] and Arthur Coombs</p> |
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<p align="center"><b>One Good Occultation Deserves Another</b></p> | <p align="center"><b>One Good Occultation Deserves Another</b></p> | ||
| − | <p align="left">John Robinson and Arthur Coombs, the hard-observing duo who are the only people to have [ | + | <p align="left">John Robinson and Arthur Coombs, the hard-observing duo who are the only people to have [[December_13,_2004|imaged]] all the Lunar 100, made this great record of the Feb 27 occultation of Jupiter by the Moon. This was the second of three opportunities in Australia to see Jupiter skirt behind the Moon this fall (southern hemisphere Jan-Mar – therefore fall). Because Jupiter just skimmed the edge of the lunar north pole, the eclipse was short – only about 20 minutes. I (CAW) have enhanced the images of Jupiter to make a more dramatic image, but include an original image of Jupiter in the bottom left corner to show how much fainter Jupiter is than the Moon. I am surprised by its faintness – Jupiter was brighter in images of its occultation on Dec. 7, 2004, but perhaps the differences are just due to exposures dictated by the phase of the Moon at the occultation points. On Dec. 7, the terminator was at the limb where Jupiter grazed, but on Feb 27 the limb of the 18 day old Moon was near full.</p> |
| − | <blockquote><p align="right">— [mailto:tychocrater@yahoo.com Chuck Wood]</blockquote> | + | <blockquote> |
| − | <p align="left" | + | <p align="right">— [mailto:tychocrater@yahoo.com Chuck Wood]</p></blockquote> |
| + | <p align="left"><b>Technical Details:</b><br> | ||
27th February 2005; 11.46 UT; Heidelberg, Melbourne, Australia. 8" Newtonian + Phillips ToUcam Pro; Registax V3. Mosaic: Merged 4-minute intervals in Photoshop.</p> | 27th February 2005; 11.46 UT; Heidelberg, Melbourne, Australia. 8" Newtonian + Phillips ToUcam Pro; Registax V3. Mosaic: Merged 4-minute intervals in Photoshop.</p> | ||
<p><b>Related Links:</b><br> | <p><b>Related Links:</b><br> | ||
[http://skyandtelescope.com/observing/objects/occultations/article_1413_1.asp Three "Down Under" Occultations of Jupiter] | [http://skyandtelescope.com/observing/objects/occultations/article_1413_1.asp Three "Down Under" Occultations of Jupiter] | ||
| − | <p | + | </p> |
| + | <p><b>Yesterday's LPOD:</b> [[March 6, 2005|A Single Twin]] </p> | ||
| + | <p><b>Tomorrow's LPOD:</b> [[March 9, 2005|Foundering in a Sea of Indecipherable Details?]] </p> | ||
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<p align="center" class="main_titles"><b>Author & Editor:</b><br> | <p align="center" class="main_titles"><b>Author & Editor:</b><br> | ||
[mailto:tychocrater@yahoo.com Charles A. Wood]</p> | [mailto:tychocrater@yahoo.com Charles A. Wood]</p> | ||
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Latest revision as of 15:45, 15 March 2015
One Good Occultation Deserves Another
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Image Credit: John Robinson and Arthur Coombs |
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One Good Occultation Deserves Another John Robinson and Arthur Coombs, the hard-observing duo who are the only people to have imaged all the Lunar 100, made this great record of the Feb 27 occultation of Jupiter by the Moon. This was the second of three opportunities in Australia to see Jupiter skirt behind the Moon this fall (southern hemisphere Jan-Mar – therefore fall). Because Jupiter just skimmed the edge of the lunar north pole, the eclipse was short – only about 20 minutes. I (CAW) have enhanced the images of Jupiter to make a more dramatic image, but include an original image of Jupiter in the bottom left corner to show how much fainter Jupiter is than the Moon. I am surprised by its faintness – Jupiter was brighter in images of its occultation on Dec. 7, 2004, but perhaps the differences are just due to exposures dictated by the phase of the Moon at the occultation points. On Dec. 7, the terminator was at the limb where Jupiter grazed, but on Feb 27 the limb of the 18 day old Moon was near full. Technical Details: Related Links: Yesterday's LPOD: A Single Twin Tomorrow's LPOD: Foundering in a Sea of Indecipherable Details? |
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Author & Editor: |
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