August Public Open Nights

Our next Public Open Nights will be in August 2026

See the stars through our telescopes!

View moon craters, star clusters and nebulae through the 41cm Selby telescope operating in the Observatory Dome, the 35cm Napier telescope under the roll-off roof, and a variety of telescopes on the field. 

Astronomy lectures. BBQ, hot and cold food and drinks, books, posters and gifts on sale.

BYO curiosity, questions and warm beanie.

Friday 21 and Saturday 22 August 2026

6pm - 10pm

Green Point Observatory
87R Green Point Rd, Oyster Bay

Map to the observatory 

Adults $15, Children $5, Families $30
No booking required - Pay at gate with cash or card.

Note: Children may not be carried on ladder in our dome.- They can enjoy junior activities and viewing with smaller scopes
Important: Parents/Carers are responsible for and must remain with their children at all times
Please check our Facebook page closer to date for a weather update.

Flyer here: SASI Open Night 2026 Flyer

Come and look through the giant Selby Telescope