Along came a spider

HUBBLE SPACE TELESCOPE, 22 DECEMBER 2025 Spiral galaxies MCG-02-05-050 (right) and -050a (left) are together known as Arp 4. That means they feature in Halton Arp's Atlas of Peculiar Galaxies, compile

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

Francis Bozon and Jean-Luc Gangloff, Alentejo Remote Observatory, Alentejo, Portugal, 18 September–30 November 2025 Francis and Jean-Luc say: “For this type of very faint object, long exposures are ne

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

When Yerkes Observatory opened in Wisconsin in 1897, it was a wonder. Alongside the great one-metre (40-inch) telescope – the largest refractor ever built – the lavish facilities included the novelty

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