Full list of all 11 Observation achievements worth 1,000 gamerscore. It takes around 6-8 hours to unlock all of the achievements on Xbox One.
Brought the new gift home...
All the worlds are yours...
Recovered and/or combined all Data Drops.
Found Emma's last message in her bunk.
Broke the first law.
Found the alternate Emma on the alternate station.
Reached the Rescue Station.
Remarked on your effigy.
Gained access to Universal.
Investigated the jettisoned module EAS-12.
Reached Saturn, somehow.