Antoniadi seeing scale
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Astronomy
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ING
Antoniadi seeing scale
I - Perfect seeing without a quiver.
II - Slight undulations, moments of calm lasting several seconds.
III - Moderate seeing with larger air tremors.
IV - Poor seeing; constant troublesome undulations.
V - Very bad seeing; even a rough sketch impossible.
(From Astronomy Now Nov 2002, p.76)
NAOMI
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WHT
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Astronomy
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ING
Last Updated: 2003 Jun 18
Chris Benn
crb@ing.iac.es
