On Saturday night at about MAY08HRS0601UT the suspected binary
asteroid 171 Ophelia will occult TYC 1405-01193-1 (unfortunately
~mv11.7) for observers in Mexico, TX, NM, AZ, NV, and CA.
This post is a plea for video and visual observations, with accurate
timing and location information, so the binary nature of 171 Ophelia
can be determined.
The shadow path information can be found in three places: