ASLI Club Observing. THESE OBSERVING SESSIONS ARE OPEN TO THE PUBLIC, PLEASE JOIN US. As Spring arrives and weather improves we have hopes of finally having a club observing session in the parking lot of the Vanderbilt Museum. Bring your own telescopes or binoculars or look through all of our telescopes. The skies must be perfectly clear in order to observe so PLEASE CHECK BACK HERE TO MAKE SURE THE OBSERVING SESSION HAS NOT BEEN CANCELLED BECAUSE OF WEATHER.