Never thought it would be possible to photograph ISS with $500 equipment!
Canon A620 + Skywatcher 90 Zeewolde, July 24th 2008 21:41 NASA image for comparison
Photo camera: Canon A620, Iso 100, shutter 1/200, aperture F2.8, 35mm (no zoom)
Telescope: Skywatcher Travelmax D=90mm F=1250mm, Plossl eye piece 20mm
Effective magnification=60x (3000mm equivalent)
Single shot, manual without tripod, afocal, no editing
ISS: size 58x44m, altitude 340km, speed 27.000 km/h, orbital period 91min