NGC 7023 (Iris)
Date: 2008/08/02 and 2008/08/03
Place: Kanzelhohe, Austria
Lens: Stellarvue SV80S + TV0.8x - D=80mm at f/4.8
Exposition: ATIK 16IC, 164 minutes : L=80min (8x10min), R=44min (11x4min, 2x2 bin), G=B=20min (5x4min, 2x2 bin)
Mount: Losmandy G8, Orion StarShoot guider on AT1010
Image processing: master bias + hot pixels, color combination and light curve in PixInsight LE

Last update Sep 12, 2008 by AK.