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Bjorn Jonsson

Björn Jónsson

Björn Jónsson (Iceland) is the developer of the IMG2PNG software, which batch-converts spacecraft image data to PNG format.  His website contains simulated views of other planets produced using image maps generated from space image data; most of his image processing work is posted only within unmannespaceflight.com or on this website. (UMSF Moderator: Bjorn Jonsson)

Unless otherwise specified, the work of Jonsson is shared on planetary.org under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
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Latest Blog Posts

Mapping Europa

Posted 2015/02/18 01:38 CST | 2 comments

Several global maps have been made of Europa, but amateur image processor Björn Jónsson felt they could be improved—so he decided to make a new one.

Revisiting Uranus with Voyager 2

Posted 2014/12/10 10:44 CST | 2 comments

Amateur image processor Björn Jónsson brings us some new views of Uranus from reprocessed Voyager 2 data.

Producing global views of Vesta from archival data

Posted 2013/08/21 12:18 CDT | 3 comments

Björn Jónsson produces beautiful color and 3D global mosaics of Vesta from Dawn's archival data.

Older blog posts »

Latest Processed Space Images

New Horizons' view of Pluto on June 6, 2015

New Horizons' view of Pluto on June 6, 2015

Posted 2015/06/09 | 0 comments

New Horizons captured the four images used to make this view on June 6, 2015 from a distance of 46 million kilometers. Four images have been stacked and sharpened. The dark line running across Pluto is likely a real feature, not a processing artifact. Charon is still too small for any apparent features to be definitively discerned.

Björn Jónsson's color global map of Europa from Galileo and Voyager data

Björn Jónsson's color global map of Europa from Galileo and Voyager data

Posted 2015/02/18 | 0 comments

This map of Europa employs 190 images from NASA's Galileo spacecraft and 14 images from NASA's Voyager 2 spacecraft that have been color-matched to produce as seamless a global map as practicable with current data sets. Warning: the fully enlarged version is 20,000 by 10,000 pixels and about 30 Megabytes; some browsers may not display it.

Dawn's view of Ceres on January 25, 2015 (super-res stack of 9 images)

Dawn's view of Ceres on January 25, 2015 (super-res stack of 9 images)

Posted 2015/01/27 | 0 comments

This image of Ceres is composed of 9 frames from the January 25, 2015 optical navigation movie, stacked and then sharpened in order to reveal sub-pixel detail.

More pictures processed by Björn Jónsson »

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