Antoniadi scale
A five-point scale, devised by Eugène Antoniadi and used by amateur astronomers to indicate the quality of seeing: I - perfect seeing, without a quiver; II - slight undulations, with moments of calm lasting several seconds; ...
Antoniadi scale
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Antoniadi Scale
A scale used to estimate seeing conditions as devised by Eugene Antoniadi circa 1900 ranging from I for perfect seeing conditions to V - very poor.
Antoniadi Scale- a roman numeral indicates the quality of seeing according to the following scale:
Aperture- the diameter of an opening through which light passes in an optical instrument ...
The Antoniadi Scale
The Antoniadi scale of seeing was suggested by Eugène Michel Antoniadi, among the premier planetary observers of his era, as a note in the Bulletin de la Société astronomique de France in 1909.
 See also: Second, Seeing, Astronomy, Mars, Time
  
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