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Jan Koet
Op deze pagina staan foto's van NVWS lid Jan Koet.
Saturnus
Astro Physics 180 EDT
Eyepiece projection with Pentax XP-24 to about F25
Philps ToU cam PRO
Seeing: 8 on scale to 10
date: 06 december 2001 23.21 to 23.23 MET= 22.21 to 22.23 UT
Exposure time: 1/25 sec.
Processed with IRIS: 650 best of 1195 images and Van Cittert deconvolution
Contrast slightly enhanced with Photostyler
Note that the working file cantained a total of a huge 4,5 GB of image information to obtain this result!!!
Jupiter
Astro physics refractor 180 mm EDT F/9
Eyepiece projection with Pentax XP-24 mm to F/25.
date: 09 december 2001
Seeing: 7 on scale to 10
Photograph was taken slightly off-axis to compensate for atmospheric
dispersion (the color fringes of the eyepiece compensates the color fringes of the atmosphere).
Image processing with unsharp mask of 150 to 250 best images of 1200 to1500 total.
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