Picture taken at the Pierre Haina, at Wéris (Durbuy), on April 7,
1997 at 21h45 UT+2.
Lens: 29 mm at f/2.8. Exposure time 15 seconds (on tripod).
Film Fujicolor SG1600.
Picture taken at the Pierre Haina, at Wéris (Durbuy), on April 7,
1997 at 22h09 UT+2, with the help of Nicolas Winandy.
Today is New Moon and the particularly clear sky allows to easily see both
comet tails : the bluish gas tail and the whitish dust tail. The comet
reaches the magnitude -0.6: only Mars and Sirius are brighter in the sky!
Lens: 50 mm at f/1.8. Exposure time 35 seconds (on tripod).
Film Fujicolor SG1600.
Nicolas Winandy tries to catch the Hale-Bopp comet.
At the time of the picture, the comet is situated at 212 millions of kilometers
from us and recedes from the Earth at a speed of 20 kilometers per second
!
Picture taken at the Pierre Haina, at Wéris (Durbuy), on April 7,
1997 at 22h26 UT+2.
Lens: 50 mm at f/1.8. Exposure time 30 seconds (on tripod).
Film Fujicolor SG1600.
Picture taken by Nicolas Winandy at the Pierre Haina, at Wéris (Durbuy),
on April 7, 1997 at 23h24 UT+2.
Lens: 50 mm at f/1.8. Exposure time 2 minutes (manual tracking with
a home-made simplified equatorial mounting).
Film Fujicolor SG1600.
Comet Hale-Bopp above the Renissart cliff (flood-lighted, alas for astronomy),
at Hotton-sur-Ourthe.
Picture taken on April 8, 1997 at 01h01 UT+2.
Lens: 120 mm at f/3.5. Exposure time 20 seconds (on tripod).
Film Fujicolor SG1600.
Picture taken at Cointe (Liège), on April 9, 1997 at 21h34 UT+2.
Lens: 50 mm at f/1.8. Exposure time 35 seconds (on tripod).
Film Fujicolor SG1600.
Picture taken at the Cointe observatory (Liège), on April 9, 1997
at 21h41 UT+2.
Buildings are illuminated by the lights of the street.
Lens: 50 mm at f/1.8. Exposure time 35 seconds (on tripod).
Film Fujicolor SG1600.
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