This week’s small-telescope target is the Heart and Dagger Cluster, also known as open cluster NGC 2546 in Puppis. You’ll find this object not quite 3° northeast of magnitude 2.3 Naos (Zeta ...

It shows a young open cluster of stars known as NGC 2367 ... and the short life spans of the stars at its heart meant that they exploded as supernovae at similar times, expanding the superbubble ...

Another newly announced cluster, VVV CL003, seems to be an open cluster that lies in the direction of the heart of the Milky Way, but much further away, about 15 000 light-years beyond the centre.