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Images from Viking Orbiters
elakdawalla
post Feb 11 2014, 11:59 PM
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This appears to be a new global color Viking image mosaic. Too big for me to handle, so I look forward to seeing what others do with it! The browse preview looks quite lovely.

Mars Viking MDIM21 Color Global Mosaic 232m/p


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JohnVV
post Feb 12 2014, 07:21 AM
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unfortunately the usgs servers are maxing out at about 300Kb/ sec (with about 200K as the average)
at 12 gig this is a 12 hour dl on a 30 meg cable connection
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vikingmars
post Feb 13 2014, 08:04 AM
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QUOTE (elakdawalla @ Feb 12 2014, 12:59 AM) *
This appears to be a new global color Viking image mosaic. Too big for me to handle, so I look forward to seeing what others do with it! The browse preview looks quite lovely.

Emily, just an idea, please. Could there be a downloadable version of this gorgeous map put online by TPS on its website as JPEG images : 1 global half resolution + 2 hemispheres left/right full res (to be mosaicked by users if needed) ? This would be a real help much appreciated from us as TPS members... Thanks so much again in advance if you can find a solution, please, and with warmest regards, VM smile.gif smile.gif smile.gif
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elakdawalla
post Feb 15 2014, 12:39 AM
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I don't plan on hosting the full-resolution data, but with the help of Fred Calef I have posted here a version with a resolution of 2.5 km/pixel in PNG format, suitable for serving as the base of a global map. It is 52 MB and 8536 pixels wide.


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JohnVV
post Feb 15 2014, 01:28 AM
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what do you know the dl speed of the cub is now at 1.9 M/s
2 hours VS 12 hours

but this is just a colorized version of the same mdim basemap
good for making a control network for the themis data and CTX images
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vikingmars
post Feb 17 2014, 01:11 PM
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QUOTE (elakdawalla @ Feb 15 2014, 01:39 AM) *
I don't plan on hosting the full-resolution data, but with the help of Fred Calef I have posted here a version with a resolution of 2.5 km/pixel in PNG format, suitable for serving as the base of a global map. It is 52 MB and 8536 pixels wide.

Thanks a lot Emily : this is very kind of you. I'll try to downloand it tonight at home. smile.gif
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jccwrt
post Nov 2 2015, 11:29 PM
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One of my long-running projects has been reprocessing Viking Orbiter mosaics. One of my eventual goals is to recreate the mosaics featured in Viking Orbiter Views of Mars. The data's pretty great when it's cleaned up and frames assembled digitally, so I think it'd be great to see an "updated" version of that book. I have a growing Flickr gallery of completed mosaics. I'll post a couple of my favorites here.

One of the southern hemisphere monitoring mosaics, centered on the Argyre Basin:



The famous regional shot of Chryse Planitia showing water-sculpted features:



The Tharsis Plateau:

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jccwrt
post Mar 2 2016, 12:31 AM
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The global dust storm of 1977 while it was still a regional dust storm in Thaumasia, taken on February 19, 1977.


Thaumasia Dust Storm - Viking Orbiter 2 by Justin Cowart, on Flickr
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jccwrt
post Jul 22 2016, 06:34 PM
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Here's a 5-frame color mosaic of Chryse Planitia from Viking Orbiter 1 about a month before the landing. Looks quite dusty!

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jccwrt
post Dec 10 2016, 08:19 PM
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Here's a 15-frame mosaic of the region northwest of Hellas Basin. There is a missing chunk at top center that appears to have been filled in with the official NASA release of this image, but I'm not sure where they pulled the data from. A neat feature that the official version misses is some high-altitude clouds along the horizon at the bottom left corner.


Mars - Viking Orbiter 1 - Rev 1483 Full by Justin Cowart
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Decepticon
post Dec 10 2016, 11:53 PM
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It amazes me home much we missed back in the 80s!

Well done!!


Its also nice to see the correct colour and not the blood red over saturated images of the 80s.
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machi
post Dec 11 2016, 12:12 AM
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That's gorgeous image Justin!


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nprev
post Dec 11 2016, 12:22 AM
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Stunning. The wide-field views of Mars from the VOs are still some of the most dramatic and beautiful ever captured.


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Bjorn Jonsson
post Dec 12 2016, 11:39 PM
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This is an awesome mosaic and one thing I like is that this is not a low phase view. Examining the terminator in hi-res global views of planetary bodies is usually interesting. It would be particularly interesting to see hi-res global views of Mars at high phase angles - the limb/atmosphere would be interesting in these views (anyone from the MOM team reading this ? ;-)).
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jccwrt
post Apr 2 2017, 04:27 AM
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Here's a Viking Orbiter scan across Mars, centered on Syria Planum. Relatively dust-free view of the southern Tharsis region, as the albedo variations on the surface are pretty bold and sharp. Also lucky enough to have imaged some orogenic clouds over Arsia Mons.

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