Red Hill Observatory
Red Hill Observatory, the site
Christof A. Plicht
Content/Inhalt
ATM Projects
150 mm (6 inch) f/6
150 mm (6 inch) f/4
90 mm (3.25 inch) f/7.6
VHS Hildesheim
30 cm (12 inch)
30 cm (12 inch) Dall-Kirkham (Cassegrain)
Pitch lap mould 12" (Gießmatte für Pechhaut 30 cm)
Pol Filter Photos
Reflektionen und Brechungsindex
Mirror Machine (Spiegelschleifmaschine)
(This update 2004-01-24)