par Sébastien Haller | Mai 30, 2026
run...
par Sébastien Haller | Jan 17, 2026
Seeing calculator FWHM (arcseconds) = FWHM (pixels) × (Pixel Size in microns / Focal Length in mm) × 206.265 0.5-1.0″ = Exceptional Seeing1.0-2.0″= Good Seeing2.0-4.0″ = OK Seeing4.0-5,0″ = Poor Seeing5.0-6.0″= Very Poor Seeing FWHM [px]...
par Sébastien Haller | Sep 14, 2025
Exposure calculator by Seb Reference Target Magnitude readonly="readonly" readonly="readonly" Focal length Diameter Aperture readonly="readonly" readonly="readonly" filter readonly="readonly" readonly="readonly" Camera ASI gain readonly="readonly" readonly="readonly"...
par Sébastien Haller | Sep 6, 2025
Exposition: Exposure calculator class="logo matf-logo" src="img/matf.gif" title="University of Belgrade, Faculty of Mathematics" class="logo aob-logo" src="img/AobColor.png" title="Astronomical Observatory of Belgrade" Telescope diameter (m): Telescope focal length...
