Observer: Tony Donnangelo Date/time of observation: 2004/03/30 03:30 U.T. Site location: Hummelstown RD 3, PA, USA (40.26° N., 76.75° W.) Site elevation: 479 feet (146 meters) Site classification: Suburban Instrument: Takahashi FS-102 f/8 Magnification: 158x
I started observing at 00:05 U.T. The evening began with very clear and steady seeing. By 1:30 U.T., a hazy, thin layer of clouds started moving in and became very breezy. At 02:20, the wind picked up and seeing began deteriorating. By 02:50 U.T., the wind became very strong, shaking the scope feverishly, and the temperature dropped considerably. By 04:15 U.T., I had to end my observing session.
I observed a very thin, dim shaft of light emanating from a notch in the southwestern wall of Parry, at the very southern edge where both crater abut each other. In addition, the notch is located south of crater E, which is superimposed on the rim of Parry. This was approximately one hour and twenty minutes before the predicted time of occurrence. Two shadows bisected the ray, one near the eastern and one near the western end. I’m not positive about the one near the eastern end. The cloud layer thickened, and the scope was shaking profusely. Finer detail was hard to discern.
By 04:15 U.T., the ray widened into a slight cone shape. The western end appeared to be rounded with a more narrow section extending slightly further west. A thin, long second ray appeared slightly above the first. It was also cause by a notch in Parry’s wall located immediately south of crater E.
I then waited for a few dark clouds to clear the area. At 11:45 U.T., approximately three-fourths of Bonpland’s floor was illuminated. I observed three thin, cone-shaped, pointed shadows of peaks cast on the floor. The northern shadow (located north of crater E) extended all the way to the western wall, the middle one almost to the western wall, and the southern one was very short. It gave the appearance of multiple rays. It would have been interesting to see them just a few minutes earlier. I now ended my observing session.