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.