Fig. 15: The small crescent of the moon, 2.27 days after new moon. — William Optics Zenitstar d=105mm, f=735mm, Vixen GP-D2 mount with FS2 drive, 2x teleconverter, Nikon D200, ISO 100, 1/8s, Ahornalp, 19 May 2007 Nikon D200; Δt=1/8 s; f=800 mm; f/7.1; ISO 100; 19 May 2007 21:16:50
