The Adelaide Supernovas - SUPERNOVA SNIPPET: On this day in 1974 – it was first light (use of) for the Anglo-Australian Telescope. The Anglo-Australian Telescope (AAT) is a 3.9-metre equatorially mounted telescope
![El Telescopio anglo australiano (AAT) en el Observatorio Siding Spring - Mt Woorut cerca de Coonabarabran, en Nueva Gales del Sur, Australia Fotografía de stock - Alamy El Telescopio anglo australiano (AAT) en el Observatorio Siding Spring - Mt Woorut cerca de Coonabarabran, en Nueva Gales del Sur, Australia Fotografía de stock - Alamy](https://c8.alamy.com/compes/2a79a04/el-telescopio-anglo-australiano-aat-en-el-observatorio-siding-spring-mt-woorut-cerca-de-coonabarabran-en-nueva-gales-del-sur-australia-2a79a04.jpg)
El Telescopio anglo australiano (AAT) en el Observatorio Siding Spring - Mt Woorut cerca de Coonabarabran, en Nueva Gales del Sur, Australia Fotografía de stock - Alamy
![observatory - Why is the opening in the Anglo-Australian Telescope's dome so small? - Astronomy Stack Exchange observatory - Why is the opening in the Anglo-Australian Telescope's dome so small? - Astronomy Stack Exchange](https://i.stack.imgur.com/joYQP.jpg)