Well made, from a technical viewpoint, other than some inaccuracies about the ISS. Good acting.
Agreed about the inaccuracies:
An astronaut having to be outside the ISS to operate the Canadarm.
The Canadarm catching the Mars probe. It would have been ripped apart along with part of the station.
Needing an astronaut on both sides of an exterior hatch in order to open it.
The alien getting out of the isolation module by going into a fire suppression nozzle.
The alien getting back into the station through a reaction control thruster.
One of the crew opening the hatch of a module that has been vented to space.
Having to go through an isolation module to get to the lifeboats - not a very smart layout.
Opening a Soyuz capsule hatch from the ISS side (I'm pretty sure you can't do that).
The Soyuz capsule seal breaking and causing a windstorm in the ISS vs. explosive decompression. Hollywood loves those windstorms with people grabbing each others arms to keep from being blown out.
As for the alien design, I thought it was original and pretty scary.