Rev 148 - Apr 29-May 30, 2011 - Titan T76 |
Rev 148 - Apr 29-May 30, 2011 - Titan T76 |
May 23 2011, 10:41 PM
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#31
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Newbie Group: Members Posts: 14 Joined: 3-April 10 From: Kent, UK Member No.: 5306 |
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May 23 2011, 10:58 PM
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#32
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Senior Member Group: Members Posts: 3516 Joined: 4-November 05 From: North Wales Member No.: 542 |
What an entrance - those are really good. Thanks!
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May 23 2011, 11:10 PM
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#33
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Newbie Group: Members Posts: 14 Joined: 3-April 10 From: Kent, UK Member No.: 5306 |
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May 23 2011, 11:16 PM
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#34
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Senior Member Group: Members Posts: 3516 Joined: 4-November 05 From: North Wales Member No.: 542 |
Brilliant again! A good call keeping Saturn visible - I really like what you're doing. You'll have more fans in the morning.
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May 24 2011, 12:44 AM
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#35
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Member Group: Members Posts: 796 Joined: 27-February 08 From: Heart of Europe Member No.: 4057 |
Very nice kodak moments and beautiful processed images .
But I think, that famous image with Enceladus' geysers, Titan and rings is still unbeaten . -------------------- |
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May 24 2011, 03:15 AM
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#36
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Administrator Group: Admin Posts: 5172 Joined: 4-August 05 From: Pasadena, CA, USA, Earth Member No.: 454 |
Speaking of which, that data is now public (part of the last PDS release) and is much better in that format than the raw JPEG format, but no one has yet stepped forward to redo that awesome group effort version of the image....
-------------------- My website - My Patreon - @elakdawalla on Twitter - Please support unmannedspaceflight.com by donating here.
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May 24 2011, 12:16 PM
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#37
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Junior Member Group: Members Posts: 94 Joined: 15-October 09 Member No.: 4979 |
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May 24 2011, 07:49 PM
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#38
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Administrator Group: Admin Posts: 5172 Joined: 4-August 05 From: Pasadena, CA, USA, Earth Member No.: 454 |
Moved several posts discussing the use of IMG2PNG to convert/calibrate Cassini images into the appropriate thread.
-------------------- My website - My Patreon - @elakdawalla on Twitter - Please support unmannedspaceflight.com by donating here.
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May 27 2011, 11:52 AM
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#39
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Lord Of The Uranian Rings Group: Members Posts: 798 Joined: 18-July 05 From: Plymouth, UK Member No.: 437 |
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May 27 2011, 09:20 PM
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#40
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Member Group: Members Posts: 699 Joined: 3-December 04 From: Boulder, Colorado, USA Member No.: 117 |
Gorgeous images! It seems kinda churlish to point out that they are all are upside down, with north at the bottom...
John |
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May 27 2011, 10:01 PM
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#41
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Junior Member Group: Members Posts: 94 Joined: 15-October 09 Member No.: 4979 |
Gorgeous images! It seems kinda churlish to point out that they are all are upside down, with north at the bottom... John It's customary for planetary imagers to depict images south up because until the mid-70's, everyone observing the planets used newtonian reflectors. |
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May 27 2011, 10:22 PM
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#42
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Senior Member Group: Members Posts: 3648 Joined: 1-October 05 From: Croatia Member No.: 523 |
Then the next logical question comes to mind - why haven't we been doing that for the first 4 years of Cassini's mission...
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May 27 2011, 11:56 PM
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#43
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Member Group: Members Posts: 699 Joined: 3-December 04 From: Boulder, Colorado, USA Member No.: 117 |
For those who aren't familiar with the conventions, amateur astronomers often display telescopic planetary images with south at the top, to approximate the view through the eyepiece of many telescopes (for observers in the Earth's northern hemisphere). Professional astronomers, and planetary scientists (professional and amateur) working with spacecraft images, usually put north at the top unless there's a good reason not to do so. Personally, I'd like to see the amateur astronomers change their convention, in this digital age, so we can all look at the solar system the same way...
John |
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May 30 2011, 11:09 AM
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#44
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Lord Of The Uranian Rings Group: Members Posts: 798 Joined: 18-July 05 From: Plymouth, UK Member No.: 437 |
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May 31 2011, 02:34 AM
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#45
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Senior Member Group: Members Posts: 1582 Joined: 14-October 05 From: Vermont Member No.: 530 |
For those who aren't familiar with the conventions, amateur astronomers often display telescopic planetary images with south at the top, to approximate the view through the eyepiece of many telescopes (for observers in the Earth's northern hemisphere). Professional astronomers, and planetary scientists (professional and amateur) working with spacecraft images, usually put north at the top unless there's a good reason not to do so. I'd wondered why that was, when the storm on Saturn and the impact on Jupiter made it apparent. Makes sense. Maybe we'll use the metric system and the British will drive on the correct side of the road soon, too. |
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