18:15. 3 sightings.
777010, 777017 and 777031.
18:32. 1 sighting.
777020.
18:40. 1 sighting.
777016.
18:45. 3 sightings.
777017, 777039 and 777144.
21:27. 2 sightings.
777030 and 777035.
21:32 - 21:53. 6 sightings.
777010, 777012, 777016, 777032, 777140 and 777146.