How do you photograph the Moon with an 8-inch telescope and ASA 400 film?

Well, even with ASA 25 film, a Full Moon would require exposures of only 1/8 to 1/25 second. For ASA 125 this decreases to 1/125 second, so for ASA 400 or faster film, you better be using exposures of 1/500 or faster, otherwise the image gets horribly overexposed!