System : 3 planets (Alpha , Beta , Gamma,)
Surveyed:the first recorded survey of this unknown system was in M.40 by Rogue Trader Xdus Pelorian, his ship The Lamenting Hunter and all aboard disappeared in the system. This is what little information we have.
Climate classification: Cold - Exotic Ammonia-based.
Ammonia Swamps 20% of the planets surface is covered with Shallow Ammonia Swamps
Climatic Phenomenon:Ammonia mist:Clouds are huge fog banks,with in the fog banks ammonia concentration will rise to dangerous levels,and personal must wear full protective suiting and respirator equipment to operate inside fog bank.
Plant life: yes, to the untrained eyes, the plants of this planet would look dead .In fact the flora is very hardy surviving on the ammonia rich fog.