Messier Objects
Messier 14 (M14) – the NGC 6402 Globular Cluster
In the constellation of Ophiuchus lies the M14 globular cluster, a loose concentration of stars spanning 100 light years, 300,000…
Messier 13 (M13) – The Great Hercules Cluster
Located in the Hercules constellation is M13, a globular cluster so large and bright that its nicknamed the "Great Hercules…
The Constellation Auriga
In the northern skies lies the constellation Auriga, one of the 44 described by Ptolemy and one of the 88…
Messier 12 (M12) – The NGC 6118 Globular Cluster
Messier 12, a globular cluster located some 15,700 light-years from Earth, is one of the brightest objects in the Ophiuchus…
Messier 11 (M11) – The Wild Duck Cluster
Welcome back to another edition of Messier Monday! Today, we continue in our tribute to Tammy Plotner with a look…
Messier 5 (M5) – The NGC 5904 Globular Cluster
In the late 18th century, Charles Messier was busy hunting for comets in the night sky, and noticed several “nebulous”…
The Andromeda Constellation
In the 2nd century CE, Greek-Egyptian astronomer Claudius Ptolemaeus (aka. Ptolemy) compiled a list of the then-known 48 constellations. His…
Guide to the Constellations and Messier Objects by Tammy Plotner
We've decided to republish Tammy Plotner's Guide to the Messier Objects and Constellations, starting today with M1 - the Crab…
Universe Today Guide to the Messier Objects
Our comprehensive guide to the all the Messier Objects in the night sky.