The Voyager 2 Neptune Encounter period begins 1989-156 to 1989-237
The Closest Approach was at 1989-237 on August 25, 1989.
The Merge files of (data, navigation and pointing information) are the “miii”.v2 files where iii is the load number. These contain our best data. (The “_j” is a Vax version number relic.)
Any file with a ‘cs’ as part of it’s name indicates a csmithed geometry product was used to determine pointing. The *.lis file show how to read the files in IDL.