JRASC 2012 December

Inside this issue:

  • Size of the Black-Drop Effect
  • The Grand Schism in Canadian Astronomy III
  • Half-Century of Astronomy Outreach
  • So Long, Neil Armstrong
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Pocket Sky Atlas Challenges for October

Sky and Telescope's "Pocket Sky Atlas" is a wonderful resource for all amateur astronomers. These challenges are designed for spicing up your observing.

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Pocket Sky Atlas Challenges for December

Sky and Telescope's "Pocket Sky Atlas" is a wonderful resource for all amateur astronomers. These challenges are designed for spicing up your observing.


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Pocket Sky Atlas Challenges for November

Sky and Telescope's "Pocket Sky Atlas" is a wonderful resource for all amateur astronomers. These challenges are designed for spicing up your observing.

 

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Asteroid (7754) Gopalan

Gopalan Srinivasan (b. 1964) is a professor in the department of geology at the University of Toronto. His research focuses on understanding the formation and evolution of the solar system through chemical and isotopic studies of meteorites.

 
Orbit type: Main Belt Asteroid 
 
Reference: MPC 57422
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Asteroid (129101) Geoffcollyer

Canadian computer scientist Geoff Collyer (b. 1958) is co-author of C News and designer of the NOV database used by USENET newsreaders. While at Bell Laboratories, he contributed to the Plan 9 operating system. Geo® is a noted Plan 9 and UNIX enthusiast.

Reference: MPC 57426

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Asteroid (117329) Spencer

Henry Spencer (b. 1955) is a Canadian computer scientist and small-satellite engineer. He has been a pioneer of open-source software, including C News and the "regex" pattern-matching library. He is also the keeper of the oldest surviving Usenet archives and the software architect for the MOST astronomy satellite.

Reference: MPC 57425

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David Dunlap's 150th Birthday

150 years ago today, October 13th 1862, was the birthdate of David Alexander Dunlap, who is memorialized in several locations around Toronto. Both Mr. Dunlap and his wife, Jessie Donalda Bell, were born in Pembroke, Ontario. Mr. Dunlap graduated as a lawyer from Osgoode Hall, and he practiced in Mattawa. His big break was when two of his colleagues, the Timmins brothers who ran the Mattawa general store, made a deal in 1903 with a man named LaRose for a mining opportunity in what later became the Town of Cobalt.

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Handbook of Astrophotography

Handbook of

Astrophotography

for Amateur Astronomers

SECOND EDITION

G.N. Patterson
Saskatoon Centre, R.A.S.C.

Compiled for use as reference material in a course in
Astrophotography

© Copyright Gordon Nelson Patterson 1974, 1981 & 1985

ISBN 0-919677-05-3

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Halloween Thoughts

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