ATNF Observing Overview (deadlines etc.) ATNF Observing Documentation ATNF Observing Schedules AT Compact Array Guide to observations with the ATCA Observing Tools and Data Archives ATCA Sensitivity Calculator ATCA Velocity Calculator ATCA Calibrator cycle time calculator ATCA Calibrators SCHED Current ATCA Duty Astronomer ATCA Remote Observing ATCA Guide to Remote Observing Request ATCA Remote Observing Forthcoming ATCA Remote Observing Simbad NED LEDA SkyView SuperCosmos B, R, IR SuperCosmos Halpha ESO & STScI Data Archives DSS I and II B,R (STScI site) DSS I, II B,R,IR (ESO site) WHAM SHASSA H, C, CC ADS astro-ph Structure and Evolution of Galaxies ATCA Observations of HI in Galaxies General HI Absorption Database ATCA Live ! The Virtual Radio Interferometer (V.R.I.) Astro-Physical Calculator Encyclopedia of Astronomy and Astrophysics NCSA Astronomy Digital Image Library