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

Our astronomical adventure in the hills of mid-Wales starts on an unlucky note. The autumnal sunshine of earlier has been swept away by a persistent drizzle rolling across the valleys and hilltops of

So you thought the Universe was a place of peace and calm? Think again. Yes, the night sky looks the same as centuries ago – a trustworthy and unchanging backdrop to daily life that helps to ease your

What are ‘little red dots’? Little red dots (LRDs) are compact red dots that were discovered in James Webb Space Telescope (JWST) data. Observations show that these objects are common in the early Uni

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