Found on the Metetherial Plains (use the port pad). The nodes look like sideways, shining white-ish crystals. (Around ( 71, 32, 256 ) Copy/waypoint 71, 32, 256 and then southward).
Found around the central hub on the first island (centered at ( 25, 196, -6 ) Copy/waypoint 25, 196, -6. The node looks like a purple shiny with big blue swirls coming out of it.
Note: You will need a total of 228 sublime pulverulence for fuel. This fuel is also trackable. If you also have access to The Hand of the Maker, you can use it here to save time; but be aware you will only receive TS XP for producing 1 item even though several are made at the same time.
Station is a planar workstation downstairs at ( 584, 122, -54 ) Copy/waypoint 584, 122, -54