Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
photofluorogram
photofluorography
photog
photogenic
photogram
photogrammetry
photograph
photographic
photographic magnitude
photographic memory
photography
photogravure
photoheterotrophic
photoinduced
photointerpretation
photoionization
photojournalism
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

photographic magnitude

pho·to·graph·ic mag·ni·tude (plural pho·to·graph·ic mag·ni·tudes)


noun 
Definition:
 
brightness of star measured photographically: the magnitude of a star determined by measuring its size on a photographic plate. Depending on the color of the star, photographic magnitude and visual magnitude can differ because the eye and standard photographic plates have different color sensitivities.

Advertisement

© 2009 Microsoft