NGC 6426 (GC) and DeHt 2 (PN G027.6+16.9)
exposed at 22.05 and 24.05.2011
50 % resolution. the PN is right at the top and the GC is left down
nebulae in the field of view
camera : Atik 383L+
lens: 12 " Newton f/4 (Baader RCC 1 corrector)
filter : Baader LRGB and Baader OIII (8,5 NM)
exposure software : Astroart 4.0
guiding: OAG with Mintron MTV-12V6HC-EX and Guidemaster
exposure time :
LRGB-OIII
L : 15 x 10 min ( 2 hours and 30 min)
R : 12 x 5 min ( 60 min / 2x2 bin )
G : 12 x 5 min ( 60 min / 2x2 bin )
B : 12 x 5 min ( 60 min / 2x2 bin )
OIII : 14 mal 10 min ( 2 hours and 20 min)
total: 7 hours and 50 min
location : Home observatory Leopoldshöhe
image processing : Fitswork (image addition, Flat correction) / Regim (color calibration and Background processing) / PS CS3 (final processing)
spezifics : poor seeing
DeHt 2 (PN G027.6+16.9) is the second PN from five PN, that the astronomers Dengel J., Hartl H. and Weinberger R. detected 1980 at Poss pictures. the main diameter is 94 ".
here you can find the full resolution