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DeMarquette Images of Comet Hale-Bopp


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Observers: Mike DeMarquette, Gregg Thompson
Location: Pyramid Lake, California
Date: March 10, 1997 11:45-12:13 UT

Subject: Comet Hale-Bopp
Photo By: Mike DeMarquette accompanied by Gregg Thompson
Location: Pyramid Lake, Ca.
Elevation: 3800 FT
Date: 3-10-1997
Time: 3:45am PST Photo 1
Time: 3:45am PST Photo 2  (photo 2 is enlargement of photo 1)
Time: 4:13am PST Photo 3
Camera: Minolta X-700 (35mm)
Lens: 50mm @ F/2.8
Film Type: Fuji Super HG 1600
Film Speed: 1600 ASA
Length of Exposure: 2minutes    (photo 1)
Length of Exposure: 2minutes    (photo 2)
Length of Exposure: 2min 30sec  (photo 3)
Tracking: Barn Door Hinge Tracker (curved bolt) (automated)
Temp: 38 degrees
Weather: Clear
Comet Magnitude: 0.5 to 0.0
Length of Tail: 15 to 25 degrees

Michael DeMarquette

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