Photographic Data

The photographs appearing in this calendar were taken by Rajiv Gupta (Vancouver) or J. C. Mirtle (Calgary), as indicated in the monthly captions. Gas-hypered Kodak Technical Pan film was used for all exposures. Equipment and exposure details are given below.

  • Cover: Lagoon nebula (M8), 5-inch f/6 refractor, 60-minute exposure taken in Baja California. Photo by Rajiv Gupta.
  • January: California Nebula, 5-inch f/6 refractor, 100-minute exposure with a Deep Sky Filter.
  • February: Rosette Nebula, 5-inch f/6 refractor, 65-minute exposure.
  • March: NGC 4565, 8-inch f/6 Newtonian, 50- minute exposure.
  • April: M59 and M60, 8-inch f/6 Newtonian reflector, 40-minute exposure taken at the 1992 Texas Star Party.
  • May: The Whirlpool Galaxy (M51), Calgary Centre C-14, 75-minute exposure with telescope working at f/7.
  • June: The Snake Nebula, 8-inch f/6 Newtonian, 40-minute exposure taken in Southern Utah.
  • July: M11, 5-inch f/6 refractor, 120 size (medium format) film, 30-minute exposure.
  • August: The North America and Pelican Nebulas, 5-inch f/6 refractor, 120 size film, 110-minute exposure with a red filter.
  • September: NGC 7023, 5-inch f/6 refractor, 60- minute exposure.
  • October: IC 1396, 180-mm telephoto lens at f/2.8, 60-minute exposure with a Hydrogen-alpha filter.
  • November: Andromeda Galaxy, 5-inch f/6 refractor, 120 size film, 80-minute exposure.
  • December: NGC 281, 5-inch f/6 refractor, 100- minute exposure with a red filter.
PubType: 
Calendar
Year: 
1993
Month: 
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MonthNum: 
1
Pages: 
28
AttachmentSize
PDF icon 1993 Observer's Calendar (PDF)6.87 MB
Author: 
WMacDonald