ISS, Tiangong, Satellites Over Puna

[TomK]

I'm not sure the weather is going to cooperate, but there is an extremely bright pass of the ISS tomorrow evening (Saturday 22nd July). It rises in the SW at around 19:45, is at its highest at 19:49 (73 degrees above the horizon in the SE, but look pretty much straight up, if it's clear, you'll see it) and sets in the NE around 19:52. For those that know their stars and constellations, it passes very close to the bright star Alpha Lyra (Vega), just SW of the constellation Cygnus (the swan), in the NE.

Incidentally, Vega is used as the fundamental calibration star in the astronomical magnitude (brightness) system. More details on request (I could write an essay on this!).

Sky track: https://goo.gl/4Bh2Ty

Ground track: https://goo.gl/yj8SGP