Gallery, which show my best pictures taken from my backyard
Bubble Nebula picture selected as the S&T Editor's Choice Archive picture in Aug-2014 .
Taken during August 2014
LX200ACF 16" telescope and camera Atik 460ex mono, baader filters. FL~2500 mm.
Composed as a LHaOIII-RHa,GOIII,BOIII picture.
Exposure time: Lum=32*30sec+17*60sec+21*120sec, R,G,B=61,49,40*60sec, Ha=4*600sec and OIII=13*300sec.
Chosen by S&T! The above picture was also shown in their electronic web edition/online photogallery, Dec-2014.
Copyright, Niels V. Christensen / Finn Nancke, 2015.