IC 443

Dezember 2011 / Januar 2012

600px RGB

600px SII-ha-OIII mono

600px SII-ha-OIII mono / inv.

600px SII-ha-OIII hubble

600px SII-ha-OIII hubble gold

camera : Atik 383L+
lens: 12 " Newton f/2.95 (ASA reducer/corrector 2 " 0.73x)
filter : Baader LRGB and SII-ha-OIII
exposure software : Astroart 5.0
guiding: Pentax 75SDHC with Mintron MTV-12V6HC-EX and Guidemaster

exposure time :

RGB
R : 28 x 5 min ( 140 min )
G : 21 x 5 min ( 105 min )
B : 24 x 5 min ( 120 min )
total RGB: 6 hour 5 min

SII (r) / ha (g) / OIII (b)
SII: 30 x 10 min (5 hour) / ha: 60 x 10 min (10 hour) / OIII: 26 x 10 min (4 hour and 20 min)

total SII-ha-OIII: 19 hour 20 min

location : Home observatory Leopoldshöhe
image processing : Fitswork (image addition, Flat correction) / Astroart 5 / Regim (color calibration and Background processing) / PS CS5 (final processing)
spezifics : high clouds, bright moon
all picture with 1400Px (45 % from original)
picture with 2000Px (67 % from original)