IGS 1B and NOSS 3-2 amidst flying clouds
IGS 1B was very bright again (+0.5) when it came out of eclipse and passed almost overhead. The picture below gives a good indication of the observing conditions.
SatTrackCam Leiden (Cospar 4353) is an amateur satellite tracking station located at Leiden, the Netherlands. Using a camera it makes accurate positional measurements on satellites of interest, mostly classified satellites -i.e. spy satellites- in order to determine their orbits.