Marked locations on the map are the areas from where you can spot MCR-99 Droids.
1. Droid PositionThe Apalis Coast, South from Republic Pallista Spaceport, at the top of the highest building in the area.
2. Droid PositionAlsakan Lowlands, West from Wardpost Duvaal, at the top of a rock in the distance.
3. Droid PositionThe Juran Mountains, Fort Alde, at the top of the antenna on the building.
4. Droid PositionThe Glarus Valley, under the snow bridge.
5. Droid PositionKaamos Territory, West from Thul Research Camp, under the bridge.
6. Droid PositionKaamos Territory, North from Lerantha Dam, next to the part of compound with orange windows.
Source: Official MCR-99 droid locations (hidden planetary achievements), MCR-99 Droid Locations post 2.0 on Swtor official Forums.
We would like to thank SWTOR community members for all additional information.