NGC 6823

exposed at 28.05 / 18.06 / 23.06.2012

LRGB 1200px

camera : Moravian G2-8300
lens: 12 " Newton f/2.95 (ASA reducer/corrector 2 " 0.73x)
filter : Baader LRGB
exposure software : MaximDL 4
guiding: Pentax 75SDHC with Mintron MTV-12V6HC-EX and PHD Guiding

exposure time :

R: 36 x 3 min
G: 35 x 3,5 min
B: 24 x 4 min
total RGB: 5 h 26 min

location : Home observatory Leopoldshöhe
image processing : Fitswork (image addition, Flat correction) / Astroart 5 / Regim Color calibration / PS CS5 (final processing)
spezifics : no astronomic darkness, sometimes bad seeing
picture size 2000px