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User guide 98 User ? s Guide The ESA ESO NASA FITS Liberator v Colophon This User ? s Guide was written by Robert Hurt Lars Lindberg Christensen Kaspar K Nielsen and Teis Johansen The team behind the ESA ESO NASA FITS Liberator Project Executive Lars Lind

User ? s Guide The ESA ESO NASA FITS Liberator v Colophon This User ? s Guide was written by Robert Hurt Lars Lindberg Christensen Kaspar K Nielsen and Teis Johansen The team behind the ESA ESO NASA FITS Liberator Project Executive Lars Lindberg Christensen lars eso org Technical Project Manager Lars Holm Nielsen Developers Kaspar K Nielsen Teis Johansen Technical scienti ?c support and testing Robert Hurt Davide de Martin Acknowledgements FITS is an abbreviation for Flexible Image Transport System FITS has been a standard since and is recognised by the International Astronomical Union The ESA ESO NASA FITS Liberator uses NASA ? s CFITSIO library libti ? TinyXML Boost C Libraries Object Access Library and Intel Threading Building Blocks Adobe and Photoshop are either registered trademarks or trademarks of Adobe Systems Incorporated in the United States and or other countries We kindly ask users to acknowledge the use of this program in publicly accessible products web articles books etc with the following statement This image was created with the help of the ESA ESO NASA FITS Liberator Cover This is a by -degree wide image of the area near the galactic centre The image shows the region spanning the sky from the constellation of Sagittarius the Archer to Scorpius the Scorpion The very colourful Rho Ophiuchi and Antares region features prominently to the right as well as much darker areas such as the Pipe and Snake Nebulae The image was obtained by observing with a -cm Takahashi FSQ Ed f telescope and a SBIG STL CCD camera using a NJP mount Images were collected through three di ?erent ?lters B V and R ??liberated ? with the FITS Liberator and then stitched together This mosaic was assembled from di ?erent sky ?elds made from about individual images totalling hours exposure time with the ?nal image having a size of x pixels Credit ESO S Guisard This image was created with the help of the ESA ESO NASA FITS Liberator The ESA ESO NASA FITS Liberator User ? s Guide Table of Contents ? Introduction to the FITS Liberator ? ? Installing the FITS Liberator ? ? FITS Liberator v System Requirements ? ? Windows Installation ? ? Installing with the Setup Program ? ? Manual installation under Windows ? ? Mac OS X Installation ? ? Automatic installation ? ? Manual install ? ? Uninstall information ? ? FITS Liberator Basics ? ? The FITS Liberator Interface ? ? The FITS Liberator Work ow ? ? Handling High Dynamic Range Images ? ? A Quick Example of Stretch Functions ? ? More about Stretch Functions ? ? Scaling Images for Better Stretches ? ? Entering Metadata ? ? Cookbook Examples ? ? Step-by-step Image Export ? ? Making a Colour Composite Image in Photoshop ? ? Notes on the performance ? ? Work ow optimization ? ? Operating system and physical memory RAM ? ? Applying the stretch values ? ? Flipping the output image ? ? Reference