M51 - The Whirlpool Galaxy
(RA: 13h 30m Dec: +47d 10m)
- Instrument: Optical Guidance Systems 12.5" - f/9 Ritchey-Chretien
- Filters: Clear Glass to keep dust from falling on the film.
- Exposure: 90 minutes
- Film: Kodak Tech Pan 2415
- Developer: D19, 10 minutes
- Location: Chews Ridge, California, El. 5000ft (121d 34' 03" W & 36d 18' 35" N)
- Digital Processing Employed: Basic Levels and Curves to stretch contrast to enhance viewing on average monitors.
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