Articles by Mark Armstrong

The mighty Andromeda and Triangulum galaxies dominate deep-sky observer’s view of our Local Group of Galaxies. If you’re looking for more of a Local Group challenge however, check out Cassiopeia’s IC 10, NGC 147 and NGC 185.

Following month’s of speculation, C/2023 A3 (Tsuchinshan-ATLAS) has emerged into the UK’s evening sky as a bright comet in the afterglow of the setting Sun.

Ringed-world Saturn comes to opposition on 8 September, offering its best observing circumstances for the year.