Case file · Sighting
Flight crews' lights of August 2011
Around 9 pm on 20 August 2011 aircrews and residents from Shanghai to Beijing, Shanxi and Inner Mongolia reported clusters of lights in the sky.
2011 CE · 31.15, 121.80 · status: explained
The sceptical view
Astronomer Liu Yan traced them to a point about 200 km west of Bayannur and attributed them to a spacecraft launch, like the 1982 halo.