... The revision numbers of all tables are currently equal to one. ... An OIFITS file must contain: · One OI TARGET table containing the coordinates of the observed targets · Optional ly, one or more OI ARRAY tables giving the coordinates of the interferometer array elements · One or more of the data tables: ­ OI VIS: Complex Visibility ­ OI VIS2: Squared Visibility ­ OI T3: Triple Product (i.e. bispectrum/closure phase) · Each data table must refer to an OI WAVELENGTH table that is present in the file....

Director's Report . The mission of MSSSO: . ... fulfilment of the potential of all Observatories' staff and students . ... The increase in 1997 was principally the opening of the Stromlo Exploratory. ... MSSSO Annual Report 1997 . ... At the request of the Academy's National Committee for Astronomy, which is chaired by the Director, the Australian Research Council (ARC) offered to fill the 5% vacancy, an offer which was accepted subject to continuing inaction by Chile on its financial obligations. ...

Telescope Mounts . ... I just collected all the information I used in considering what kind of telescope mount I wanted and made a web page. ... A very important aspect to using a telescope is the mount. ... An altazimuth mount is a design to hold the OTA and allow the user to guide the scope by using two motions. ... The newest GOTO telescopes can do all of this without equatorial mounts and polar alignment because the computer can be programmed to know the position of the scope by using guide stars. ...