Voyager mosaics and images of Jupiter, A fresh look at some ancient stuff |
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Voyager mosaics and images of Jupiter, A fresh look at some ancient stuff |
 Mar 29 2012, 04:48 AM
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#151
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 Member  Group: Members Posts: 399 Joined: 28-August 07 From: San Francisco Member No.: 3511  |
Brilliant and beautiful, thanks for sharing with this world
-------------------- 'She drove until the wheels fell off...'
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Apr 17 2012, 10:07 PM
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#152
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 Lord Of The Uranian Rings Group: Members Posts: 798 Joined: 18-July 05 From: Plymouth, UK Member No.: 437 |
Here's an oldie I've had lying around, unfinished: the Voyager 2 approach sequence in color:
http://youtu.be/q0JKtAMmxAY?hd=1 -------------------- |
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Apr 18 2012, 01:04 PM
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#153
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 Member Group: Members Posts: 146 Joined: 23-August 06 From: Vriezenveen, Netherlands Member No.: 1067 |
Wow that must've been a lot of work!
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Sep 8 2012, 07:33 PM
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#154
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 IMG to PNG GOD Group: Moderator Posts: 2250 Joined: 19-February 04 From: Near fire and ice Member No.: 38 |
For completeness, here is the Voyager 1 global mosaic of Jupiter that recently appeared in the Planetary Society blog:
There are more details in the TPS blog but in summary this is a 14 frame mosaic from a range of 7.4 million km. The source images were obtained on February 27, 1979. This is the highest resolution global Voyager Jupiter mosaic I know of (in fact the only global Jupiter mosaic I know of where the resolution is higher is a Cassini mosaic where the resolution is ~15% higher). And here is a brand new global mosaic (much smaller) from images obtained at a range of 21 million km on February 13, 1979:
The lower half of this mosaic is from the same source images as this well known image but at this time Voyager 1 was obtaining 2x2 mosaics so a global mosaic was possible. The spacecraft was obtaining orange, green and violet filtered images so the color in this one should be slightly more accurate than in the big one where green images were not available. |
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Sep 9 2012, 11:43 PM
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#155
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 Member Group: Members Posts: 699 Joined: 3-December 04 From: Boulder, Colorado, USA Member No.: 117 |
Thanks for that February 13th 1979 mosaic! Nice to see a fresh look at that iconic image, which blew my mind when it was first released- I think I first saw it in Time magazine shortly after it was taken. It's interesting that the full-disk view, while wonderful to see, is somehow less dramatic than the original crop- some of the excitement of the original version was that Voyager was now close enough that Jupiter would no longer fit in a single Voyager frame, which made Jupiter suddenly seem like a *place*. The rakish tilt of the original added some drama too.
Anyway, great work! John |
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Jan 20 2013, 10:06 PM
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#156
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IMG to PNG GOD Group: Moderator Posts: 2250 Joined: 19-February 04 From: Near fire and ice Member No.: 38 |
What is the highest resolution global Jupiter mosaic that includes a satellite transit that can be assembled from Voyager images?
Satellite transits are especially beautiful when the resolution is high enough for some details to be visible on the satellites so I decided to check this. And I was remarkably lucky. It turns out that just a few hours before Voyager 1 ceased its 3x3 global imaging sequence and switched to targeted observations it imaged a double transit involving Io and Europa. Here is a global mosaic of this event. It shows Io and Europa silhouetted against Jupiter's vast disc:
A significant amount of details is visible on the satellites. Icy Europa looks very bright compared to Jupiter, mainly because it's silhouetted against a region not far from Jupiter's terminator. Some familiar features are visible on Io. The images were obtained from a range of 7.3 million km on February 27, 1979. This is slightly closer than in the big mosaic above that includes the Great Red Spot and makes this the highest resolution global Voyager mosaic of Jupiter that I know of (there is a Cassini mosaic where the resolution is slightly higher though). Voyager 1 was imaging Jupiter through orange and violet filters so I had to make synthetic green and do some color processing to get something resembling an RGB image. I used 14 orange/violet image pairs (28 images). Overall the color and contrast should be fairly accurate. The processing is similar to the processing of the earlier big mosaic from September 8, 2012. The main exception is that I had to fill a very small gap near the north pole by 'cloning' adjacent areas. |
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Jan 20 2013, 10:28 PM
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#157
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 Merciless Robot Group: Admin Posts: 8783 Joined: 8-December 05 From: Los Angeles Member No.: 602 |
 ...gorgeous, Bjorn.
-------------------- A few will take this knowledge and use this power of a dream realized as a force for change, an impetus for further discovery to make less ancient dreams real.
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Jan 20 2013, 10:31 PM
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#158
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 Senior Member Group: Moderator Posts: 3431 Joined: 11-August 04 From: USA Member No.: 98 |
Stunning. One of the best ever.
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Jan 20 2013, 11:17 PM
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#159
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Lord Of The Uranian Rings Group: Members Posts: 798 Joined: 18-July 05 From: Plymouth, UK Member No.: 437 |
You just made my day, Bjorn!
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Jan 21 2013, 12:40 AM
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#160
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Senior Member Group: Members Posts: 1276 Joined: 25-November 04 Member No.: 114 |
Nice!
My new wallpaper 
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Jan 21 2013, 08:47 AM
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#161
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 Senior Member Group: Moderator Posts: 2262 Joined: 9-February 04 From: Melbourne - Oz Member No.: 16 |
Whoh! That is a truly unbelivable image. Amazing work Bjorn.
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Jan 21 2013, 12:14 PM
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#162
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 Member Group: Admin Posts: 976 Joined: 29-September 06 From: Pasadena, CA - USA Member No.: 1200 |
That is a stunning image. Thank you Bjorn!
Paolo -------------------- Disclaimer: all opinions, ideas and information included here are my own,and should not be intended to represent opinion or policy of my employer.
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Jan 21 2013, 12:50 PM
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#163
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 Interplanetary Dumpster Diver Group: Admin Posts: 4404 Joined: 17-February 04 From: Powell, TN Member No.: 33 |
Amazing. Looks like it could have been taken by Cassini.
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Jan 21 2013, 06:48 PM
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#164
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Newbie Group: Members Posts: 8 Joined: 29-August 11 Member No.: 6141 |
I love this. Thank you, Bjorn.
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Jan 22 2013, 12:01 AM
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#165
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 Member Group: Members Posts: 161 Joined: 12-August 12 From: Hillsborough, NJ Member No.: 6546 |
This is... Mindblowing to say the least.
The moons are so perfectly visible! I love it! Thank you!!!! -------------------- |
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