Sentences with phrase «group of amateur astronomers»

Paglen was able to identify and photograph these secret spacecraft due to the work of a diverse international group of amateur astronomers who maintain a catalogue of classified spacecraft in Earth's orbit by producing mathematical descriptions of orbits using simple tools like stopwatches and binoculars.

Not exact matches

A group of people gathered at the Battery Park City esplanade on Fri., June 3, when B.P.C. resident, physician and amateur astronomer Sheldon Palgon examined Saturn through his powerful telescope.

In collaboration with EURASTER, a group of amateur and professional astronomers, the team successfully motivated ~ 50 observers to watch the event.