After getting your mission from Ram Tah in the Meene system, you'll be off to scan those obelisks and make all the money. Keep track of what you've scanned and where you've been with this simple logging spreadsheet.
Open it in Google Drive and make a copy to your own account so that you can have an editable copy.
Change every red 'N' box to 'Y' to mark a particular data scan as complete.
Use this in conjunction with Canonn Interstellar Research Group's Guardian Ancient Ruins maps found HERE
Quickly identify and track down those elusive last few obelisks and score your 10mil cr completion bonus.