Local Circumstances in Java During the Total Solar Eclipse of 1983

A total solar eclipse of unusually long duration will occur on 11 June 1983. The path of totality begins in the Indian Ocean, passes over many of the islands of Indonesia and ends in the Coral Sea. The duration of totality is maximum near Java where weather prospects are also quite favourable. Local circumstances are examined in detail, presenting predictions for 35 cities on the island. A consideration of lunar-shadow geometry is given to clarify some of the confusion concerning the advantages of observing from the centre line. A comparison of the present predictions with those of the U.S. Naval Observatory reveals some differences which could have important implications for observers.