Deep Space, Globular Cluster, Messier, Messier 55 Comparison between two sketches of Messier 55 Általa: Dr. Johannes Schilling 2016.09.01. 2022.07.10. astronomie, astronomy, Dr. Johannes Schilling, graphite sketch Messier 55 Comparison between two sketches: Left with 406mm Newton, right with 25X100 Binocular. Related posts: Messier 3 – Globular Cluster in Canes Venatici Messier 57 (Ring Nebula) and Galaxy IC 1296 Messier 9, Globular Cluster in Ophiuchus SN 2014J in Messier 82, Comparison with previous observation Dr. Johannes Schilling – Messier 55 Messier 27