13th June 1983 Pioneer 10 becomes the first human-made object to pass outside Pluto's orbit and leave the solar system. It was the...

This month we feature the Royal Greenwich Observatory and the Prime Meridian – Where East meets West The Prime Meridian is arbitrary and...

At last...there was a bit more solar activity in April as reported by Monty Leventhal OAM from his balcony in Maroubra, a suburb of...

2nd May 1780 Sir William Herschel discovers the first binary star, Xi Ursae Majoris, also named Alula Australis, in the constellation of...

Sara Cabrera is a Sydney City Skywatcher member and an active observer. Her curiousity to always learn more about astronomy took her...

This month ……. Telescopes. From the Greek “tele” meaning far, and “skopein” meaning to look or see Telescopes aren’t just for...

15th April 1970 Humans travel the furthest in space when the Apollo 13 crew reach 400,171 km from Earth in an attempt to return to Earth...

February 2019 For the month of February, 2019 it appeared to me that all Sunspot activity had ceased with all other activity remaining...

25th March 1655 Titan, Saturn’s largest moon was discovered by Dutch astronomer Christiaan Huygens. Titan is considered the most...

The stars shone bright on14 Feb at Centennial Parklands for Sydney City Skywatchers first outreach telescope viewing night of the year....