M20

Exposure Details

Date: 30th August & 11th September, 2004

Telescope + Camera: 0.254-m SCT + ST237-A at F/3.75 Bin 1x1 Luminance, Bin 2x2 RGB

Resolution: Approximately 1.5 arc seconds per pixel (luminance channel)

Exposure: Combination of 26 minutes Red, 26 minutes Green, 40 minutes Blue at Bin 2x2, 52 minutes Luminance at Bin 1x1

All 120 second sub exposures unguided.