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file format for imaging


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#1 Tony

Tony

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Posted 24 May 2007 - 06:17 AM

Having started with a DSI I, LX90 I began by taking JPEG files, and then went to .TIFF to work with in Photoshop to adjust contrast, saturation etc. My images have improved with a DSI II color, guiding and the processing routine described to reduce the over saturation of star images in nebula images. I'm curious about trying .FITS format, but realize it will require departing from my familiar photoshop processing. Is there an observable difference between a fits image and a tiff image taken with a DSI II? Does a composite of fewer longer sub frames produce a better image than a greater number of shorter ones?

Thanks for your comments

#2 Mark Sibole

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Posted 24 May 2007 - 07:02 AM

Going to fits should be no problem as PS has a plug in called fits liberator that will open up FITS files in PS.

Tiff is ok but to utilize all of the information I always save to fits.

Regards

Mark
Mark Sibole
MTSO Observatory
Fife Lake, Mi.

http://astronomy.qteaser.com




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