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D'Andrea Images of Comet Hale-Bopp


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Observer: Ralph D'Andrea
Location: Grand Junction, Colorado
Date: March 20, 1997 10:45, 11:10 UT

Both shot the morning of 3/20. The first image was shot with a 35mm SLR piggy-backed to a 6" newtonian and guided for a 2-minute exposure on Fujicolor Super-G 800 film, 100 mm f/2.8 lens stopped to f/4. Location Orchard Mesa, south of Grand Junction, Colorado, USA. Time about 4:45 AM MST.

The second image was shot with a stationary fossil Rolleiflex twin-lens reflex, 75mm f/3.5 normal lens stopped to f/4, 20 seconds on Kodacolor Gold 400. Same location, but after the start of morning astronomical twilight: about 5:10 local time.

Ralph D'Andrea

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