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DEEP SKY CHALLENGE
Winter is coming, but autumn’s deep-s
It’s the start of another great day on your holiday. After enjoying breakfast under your awning, basking in the early morning sunshine, you head off sightseeing. Maybe you had a lovely day spent wande
DID YOU KNOW? JWST’s primary mirror weighs 705 kilograms ...
Our first target is the Little Pinwheel Galaxy, NGC 3184, positioned 48 arcminutes west of mag. +3.0 Tania Australis (Mu (μ) Ursae Majoris). This spiral galaxy has an apparent magnitude of +10.1 but i
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
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
Since JWST’s launch four years ago, some mind-blowing observations have been made by this internationally operated, state-of-the-art, space-based super-telescope