The Jupiter1 CD-ROM is a most exiting collection of programmes and data for the astronomically inclined. Both hobbyist and professional will find an abundance of programmes, pictures, texts, plenty of comprehensive source - code for astronomical calcultaions, databases etc.
Order the Jupiter1 Cd-Rom direct from Norbert in New Zealand (send an email first!). The price is $30US incl p&p where a variety of methods of payment are possible. Please refer to the The Astronomical Pocket Diary. Air-delivery usually takes two weeks.