Sunglasses: the astronauts haven't been outside for weeks/months, and with the clear sky it looks to be quite bright out there. And it looks like they're facing the Sun.
Blankets: they've landed in Russia, in a region that can get bloody cold.
For comparison, this is a Shuttle landing:
The astronauts went down the stairs and straight into the van.
About 6 hours after launch, the Soyuz spacecraft can be observed near the ISS. About three minutes later, Soyuz will fly after the ISS and will be visible in the same orbit.
Therefore use https://www.n2yo.com/
The duration of the trip to the ISS varies. Until 2012, astronauts always spent about two days in the Soyuz spacecraft before docking to the ...