Earth, Moon, and Planets

, Volume 47, Issue 2, pp 193–215 | Cite as

Photographic observations of the cloud in the neighbourhood of libration point L 5 of the Earth-Moon system

  • Maciej Winiarski
Article

Abstract

The paper contains results of three-colour photographic observations of positions and brightness of the cloud in the vicinity of the Earth-Moon libration point L5. The real character of the images obtained is confirmed by an agreement of their positions on different plates exposed at the same time. The colours of the cloud obtained are essentially different from those of the counterglow. The clouds appeared to be much redder than the counterglow, which may indicate that the particles constituting them are of different nature than those causing the counterglow.

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Copyright information

© Kluwer Academic Publishers 1989

Authors and Affiliations

  • Maciej Winiarski
    • 1
  1. 1.Astronomical Observatory of the Jagiellonian UniversityKrakowPoland

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