Ureka! – A new easy-to-install IRAF + PyRAF distribution from STScI and Gemini

by Guest July 15, 2013

This is a guest post by Christine Slocum, a software engineer at Space Telescope Science Institute (STScI), on behalf of the Ureka team. Last month, STScI and Gemini announced the first public beta release of the Ureka binary installer for common astronomical software (primarily for the UV/Optical/IR community). The goals of the Ureka installer are […]


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Manipulating and Viewing FITS Files in Python with pyds9

by Jessica Lu July 14, 2010

For anyone who uses python and ds9 to visualize their FITS files, I think pyds9 is now a must-have. It is officially written and developed through SAOImage ds9 so it will be supported for the long haul. Here are the primary links to get going: TARball for installation: Source Documentation for installation and use: Docs […]


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FITS images with catalog overlays

by Jessica Lu March 17, 2010

I have been using ds9 to display images primarily due to inertia. I like the catalog tool for existing catalogs available online; but I wish there were a way to use custom catalog files without RA and Dec (just pixel coordinates) as well. I commonly resort to making ds9 region files, but this requires knowing […]


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DS9 and Remote Files

by Jessica Lu August 12, 2009

For the longest time, one of my major computing hurdles has been to figure out the best approach for viewing remote FITS files with SAOImage DS9. Currently, using DS9 over ssh is painfully slow, if not impossible for interactive color scaling for example. So I have often resorted to copying files to my local machine […]


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