An Observing Session

  • Bob Argyle
  • R. W. Argyle
Part of the Patrick Moore’s Practical Astronomy Series book series (PATRICKMOORE)


In this chapter I describe a typical observing session with the 8-in. (20-cm) Thorrowgood refractor at the Institute of Astronomy in Cambridge. The telescope belongs to the Royal Astronomical Society but is on permanent loan to the Cambridge University Astronomical Society and has been on its present site since 1930 (Fig. 24.1).


Position Angle Close Pair Astronomical Society Standard Pair Fixed Wire 
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Copyright information

© Springer Science+Business Media New York 2012

Authors and Affiliations

  • Bob Argyle
  • R. W. Argyle
    • 1
  1. 1.WaterbeachUK

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