"Color Astrophotography, Getting the C
o
l
o
r
s Right" from the
December/January 1988/1989 article on how to color balance long
exposure astrophotographs.
Text of Article
M42,
photographed by Robert Price using a 10 inch SCT at F/6.2.
Exposure was 60 minutes on Konica SR-V 100 film.
This photograph was printed using the long exposure gray card filter
pack that corrrectly color balanced this film and the 60
minute exposure. Insert is the photograph of the 60 minute exposure of
the Kodak gray card used to determine the long exposure filter pack. (111.6K)
M42, the Orion Nebula photographed by Robert Price using a 10 inch SCT at
F/6.2. Exposure was 60 minutes on Konica SR-V (100 ASA) film. This
photograph was printed using the daylight filter pack which did not correct
the color mis-balance caused by the long exposure. The strong magenta cast
is the result of the color mis-balance. (101.8K)
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M42,
photographed by Robert Price using a 10 inch SCT at F/6.2.
Exposure was 60 minutes on Konica SR-V 100 film.
This photograph was printed using the long exposure gray card filter
pack that corrrectly color balanced this film and the 60
minute exposure. Insert is the photograph of the 60 minute exposure of
the Kodak gray card used to determine the long exposure filter pack. (111.6K)
M42