Nature- & Astrophotography by Burkhard Leitner
Messier 71
Still testing, still some problems with the flattener (distance)
William Optics Gran Turismo 71
Flat6AIII Flattener/Reducer 0,8x
336mm
Canon 6Da
5x30s
1600 ISO
Hoya Starscape Filter
Crop
SiriL, PS, Astronomy Tools Actions Set
A loose globular cluster in the small constellation Sagitta, the Arrow.
Ever since it was discovered in 1746 by the Swiss astronomer Jean-Philippe Loys de Chéseaux, the nature of M71 has been the subject of some questioning. Over the centuries, it has been classified as both an abnormally dense open star cluster and as an unusually loose globular cluster. (NASA)
Messier 71
Still testing, still some problems with the flattener (distance)
William Optics Gran Turismo 71
Flat6AIII Flattener/Reducer 0,8x
336mm
Canon 6Da
5x30s
1600 ISO
Hoya Starscape Filter
Crop
SiriL, PS, Astronomy Tools Actions Set
A loose globular cluster in the small constellation Sagitta, the Arrow.
Ever since it was discovered in 1746 by the Swiss astronomer Jean-Philippe Loys de Chéseaux, the nature of M71 has been the subject of some questioning. Over the centuries, it has been classified as both an abnormally dense open star cluster and as an unusually loose globular cluster. (NASA)