Stargazers pp 163-164 | Cite as

Amateur Astronomers and the Recovery of Periodic Comets

  • Patrick Martinez
Conference paper

Abstract

Most periodic comets are recovered by professional astronomers at faint magnitudes (18–21). Only Tsutomu Seki, using a 60-cm telescope has been an exception to this rule. Amateurs having access to large telescopes (such as the T 60 at Pic du Midi) now stand a chance of success. For example, using the T 60, the author photographed P/Halley at mag. 19–20 on forming-gas hypered Kodak TP 2415 in a 1-hour exposure. Experiments by C. Buil suggest that the same telescope can reach magnitudes 21–22 with a CCD array cooled to −50°C and a 30-minute integration time.

Keywords

Dust 

References

  1. Martinez, P.: “Première détection européene amateur de la comète de Halley”, L’Astronomie, 1985 June, p. 281Google Scholar
  2. Martinez, P.: “L’utilisation du T 60 pour la redécouverte des comètes périodiques”, L’Astronomie, 1987 May, p. 247Google Scholar
  3. Merlin, J.C.: “La redécouverte des comètes périodiques” in Astronomie — le Guide de l’Observateur, Paris, 1987, pp. 417–20Google Scholar
  4. See also the paper by C. Buil on the use of CCDs — Eds.]Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1988

Authors and Affiliations

  • Patrick Martinez
    • 1
  1. 1.ToulouseFrance

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