Service Special rate Regular rate (Non-invoiced) (Invoiced) Computer Service 6.00 10.00 (includes e-mail delivery of IAUCs and MPECs) Printed IAUCs 9.00 15.00 Printed MPCs (surface) 14.50 22.50 (air) 22.00 30.00 Extended Computer Service 25.00 25.00 (to subscribe to the ECS one must also subscribe to the CS and/or printed MPCs) International Comet Quarterly (non-North-American airmail rates in parentheses) With annual Comet Handbook 30.00 (50.00) 40.00 (60.00) Without handbook 20.00 (40.00) 30.00 (50.00)
Subscriptions to the IAUCs, MPCs, Computer Service and Extended Computer Service should be entered for a minimum of 6 and a maximum of 12 months.
The following catalogues are available:
Catalogue of Cometary Orbits (2003 edition) Printed (surface) 40.00 (air) 60.00 E-mail 75.00 Comet Handbook 2005 Surface 15.00 Air 30.00 Limited quantities of back issues of these catalogues are available for those wishing to complete sets.
In the above table `surface' refers to surface-mail delivery and `air' indicates airmail delivery.