Sydney Observatory
Watson Road, Observatory Hill, The Rocks.
Ph: (02) 9921 3485.
10am - 5pm every day except Good Friday and Christmas day Night tour times
April to September: 6.15pm to 8.00pm and 8.15pm to 10.00pm
October and November: 8.15pm to 10.00pm
December and January: 8.30pm to 10.15pm
February and March: 8.15pm to 10.00pm
Bookings are necessary on (02) 9241 3767
http://www.sydneyobservatory.com.au/
email: observatory@phm.gov.au