This four-minute exposure of LightSail was captured June 8, 2015, starting 3:16:52 UTC from a telescope located at the AstroCamp Observatory near Nerpio, Spain. LightSail is the almost vertical line down the left side of the image, which has a 1.2 x 1.9 degree field of view (North is at top). The other satellite track is Kosmos 2360, a Tselina electronic signals intelligence satellite launched by Russia on July 28, 1998.
Equipment: iTelescope 6” (150 mm) Takahashi TOA-150 refractor equipped with a SBIG STL-11000M CCD. The telescope was pointed at the maximum height of the pass (321.3 degree azimuth, 45.6 degree elevation.
Observer credit: Bill Cooke, Meteoroid Environments Office, EV44, NASA Marshall Space Flight Center