by Cristina Cellini
Hi all, I recently subscribed to Astronomy magazine.
This is the first image I took this year from my backyard in suburban location. I used the technique of narrowband filter with syntethic green.
January 3, 2011
LX200 rid. F/6.3 - CCD QSI 520wsi cooled -20
Autoguide with Magzero MZ5-M and
PHDguiding on ETX105
LRGB: L (tot. 90 minutes h-alpha+OIII), R (H-alpha
baader 7nm filter) 7x5'+6x3', G (synthetic), B (OIII Baader 8,5nm filter)
7x5'+4x3'.
Acquired with MaximLE - Dark and Bias subtrackt
Processed with
MaximDL4 and Paint Shop ProX3