Messier 4 (M4) is a brilliant globular cluster in the constellation of Scorpius, which is best viewed in summer.
At approximately 5,500 light-years away, M4 is one of the nearest globulars to Earth and one of the brightest in the night sky.
Tag Archives: Summer
Messier 5 (NGC 5904): A Glorious Globular and Summertime Rose
On the night of May 5, 1702, Gottfried Kirch was comet hunting with his wife Maria when they discovered a “nebulous star” in the constellation of Serpens. The Kirches stumbled upon this cluster — one of the largest, brightest, and oldest in the heavens