insult Iga-aastane valetaja iss through telescope silmapiiril Arne raam
amateur observing - How powerful a telescope would allow me to view the astronauts aboard ISS do a space-walk? - Astronomy Stack Exchange
Sky-Watcher Australia - Can you photograph the ISS (International Space Station) using a Sky-Watcher 250mm (10") Dobsonian telescope? Can you even image the astronauts on a spacewalk? In this remarkable image Szabolcs