Fig. 20: Mount Weisshorn nearby Arosa. In the year 2001 there was held an astronomy week in Arosa. Many hobby astronomers took their telescope onto the Swisscom platform on the left hand side. I took my heavy 30cm f/4 Newtonian with me. The sight of the Cirrus nebula and Northamerica nebula in constellation Cygnus with O-III filter was breathtaking. — Minolta X-700, 85mm telephoto lens, Fujichrome Provia 100F, 31 May 2003