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Applied Optics

Applied Optics


  • Vol. 37, Iss. 9 — Mar. 20, 1998
  • pp: 1585–1588

Thirty years of observing and documenting sky optical phenomena

Peter-Paul Hattinga Verschure  »View Author Affiliations

Applied Optics, Vol. 37, Issue 9, pp. 1585-1588 (1998)

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A homogeneous series of systematic observations of sky optical phenomena in the Netherlands has been gathered by the Dutch Observing Network since 1965. This continues the Dutch observation series that started at the end of the nineteenth century. A time series of ice-crystal halo frequencies from 1920 to 1996 and frequency diagrams of some specific halos the period from 1970 to 1996 are shown and discussed. Systematic observation recording by means of diaries and exchanging routines among observers are described. Methods are given for establishing and maintaining a network of volunteers that can provide, in a homogeneous time series, sky optical phenomena recordings.

© 1998 Optical Society of America

OCIS Codes
(010.2940) Atmospheric and oceanic optics : Ice crystal phenomena
(060.4250) Fiber optics and optical communications : Networks

Original Manuscript: July 8, 1997
Revised Manuscript: October 27, 1997
Published: March 20, 1998

Peter-Paul Hattinga Verschure, "Thirty years of observing and documenting sky optical phenomena," Appl. Opt. 37, 1585-1588 (1998)

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  1. Verschijnselen Onweders enz., in Nederland naar Vrijwillige Waarnemingen (Thunderstorms, Optical Phenomena, etc., in The Netherlands from Voluntary Observations) [annually edited by the Royal Netherlands Meteorological Institute, De Bilt, The Netherlands, 1891–1965], parts 12–82.
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  3. S. W. Visser, “Die Haloerscheinungen,” in Handbuch der Geophysik (Borntraeger, Berlin, 1960), Vol. 8, p. 1071.
  4. W. R. Corliss, “Rare halos, mirages, anomalous rainbows,” in Sourcebook Project (Sourcebook Project, Glen Arm, Md., 1984); see, for example, pp. 8, 9, 84, 140, 197.
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  6. M. Pekkola, “Finnish Halo Observing Network: search for rare halo phenomena,” Appl. Opt. 30, 3542–3544 (1991). [CrossRef] [PubMed]
  7. R. Eresmaa, A. Jokinen, V. Mäkelä, M. Pekkola, J. Ruoskanen, M. Sillanpää, European Halo Project: Report of May 1996 (Helsinki, Finland, 1996); European Halo Project 1997: Report of April 1997 (Helsinki, Finland, 1997).

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