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    Alachua Astronomy Club, Inc.

    Club Pictures


    Technical Information: M57

  1. Photographer: Ron Irby
  2. Location: Suburban Gainesville, Florida
  3. Date Taken: July 25, 1999
  4. Time Taken: 00:02 EDT (04:02 UT)
  5. Sky Conditions: Faintest naked eye star +3.0; waxing gibbous moon
  6. Camera Type: Pixcel 237 CCD Camera
  7. Telescope: Celestron 8-in. SCT, Model Celestar 8 Deluxe Computerized Telescope
  8. Configuration: Focal reduced; Focal Length 1280 mm, at f/6.3
  9. Filter: Red, Green, Blue and clear
  10. Exposure Time: 2x120 second exposures through each color filter. Gray scale image 4x120 second exposures. Exposures combined using CCDOPS and Photoshop software.

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    Updated 7/29/99