Exposure Data

• Instrument: TMB 4.1" f/6.2 APO
• F/stop: 6.2
• Exposure: 25 seconds
• CCD: SBIG ST-7E
• Exposure start: 19:54 MEZ
• Date: March 30, 2002
• Location: Niederleis, Lower Austria
• Conditions: Visual limiting magnitude 5.0 mag, seeing 3, temperature 4.5°C, no wind, no dew
• Enhancement: Adobe Photoshop 6.0, by Howdii
• Notes: The bright saturated star in the lower right corner is Mirach (beta And). Image enhancement consisted of contrast optimization with Photoshop "Levels" and "Curves", but no dark and no flat field processing, nor any filtering.