THE ASTRONOMER Electronic Circular No 544 1991 July 20 13.07UT Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise, Basingstoke, Hants, RG22 4PP, England. Telephone: (0256)471074 Int:+44256471074 Telex: 9312111261 Answerback: TA G JANET BOXES: GMH at UK.AC.CAM.ASTRONOMY.STARLINK or GUYH at UK.AC.SUSSEX.CLUSTER TELECOM GOLD: 10074:MIK2885 PRESTEL 256471074 ------------------------------------------------------------------- EDITOR'S ABSENCE From July 28 until August 10 the Editor will be on holiday in Scandinavia and not contactable. E-mail messages should continue to be sent to the usual mailboxes on JANET, STARLINK and GOLD but, in addition, carbon copies should at the same time be sent to Martin Mobberley who will be monitoring the e-traffic. His