Messier 55, a splendid globular cluster in Sagittarius
Sketch with 406mm Newton, 109X
August 22th and 23th, 2016
Both evenings with very clear sky for this object with declination of -31°
Magnitude: 7m
Size: 15′
Distance: 18 000 Ly
Location: Baindt near Ravensburg, Germany
