Deep-sky tour

When to use this chart 1 Feb 00:00 AEDT (31 Jan, 13:00 UT) 15 Feb 23:00 AEDT (12:00 UT) 28 Feb 22:00 AEDT (11:00 UT) The chart accurately matches the sky on the dates and times shown for Sydney, Austr

It’s the question I’m asked more than any other whenever I give a talk on the history of the constellations: who invented the Southern Cross? The short answer is: no one did – or at least no individua

Ron Brecher, Guelph, Ontario, Canada, 22 November 2025 Ron says: “I used a colour camera and two Optolong filters to capture SII, Ha and OIII emissions, then processed them in the Foraxx palette. I’m

The interstellar comet or spacecraft, 3I/Atlas (FT465:27) excited the world of ufology in 2025. Despite Avi Loeb’s best efforts, most experts regarded it as an unusual object but not a 33-billion-ton

I’d just dropped Sarah off at a small railway station in Scotland and, after several weeks travelling together, I was on my own again. She was heading home to Cornwall, leaving me free to devote time

NOVAStar is 365Astronomy’s own in-house brand of telescopes and accessories. Its latest addition, the Scarlet A62Q quadruplet refractor, is a budget-friendly instrument aimed at beginners starting out