NGC 4490
exposed at 23.04.2011
50 % resolution
camera : Atik 383L+
lens: 12 " Newton f/4 (Baader RCC 1 corrector)
filter : Baader LRGB
exposure software : Astroart 4.0
guiding: OAG with Mintron MTV-12V6HC-EX and Guidemaster
exposure time :
LRGB
L : 30 x 5 min ( 2 hours and 30 min)
R : 10 x 5 min ( 50 min 2 x 2 bin)
G : 10 x 5 min ( 50 min 2 x 2 bin)
B : 10 x 5 min ( 50 min 2 x 2 bin)
total: 5 hours
location : Home observatory Leopoldshöhe
image processing : Fitswork (image addition, Flat correction) / Regim (color calibration and Background processing) / PS CS3 (final processing)
spezifics : good seeing at beginning
here you can find the full resolution