NGC 697 / Projekt tief belichtete Galaxien / VDS Fachgruppe Astrofotografie
exposed at 19.09.2012
L 1200px
camera : Moravian G2-8300
lens: 12 " Newton f/2.95 (ASA reducer/corrector 2 " 0.73x)
filter : Baader LRGB
exposure software : MaximDL 4
guiding: OAG Rene Rogge
FWHM luminance channel: about 2.4-2.8
Flatness midle : about 0.01
exposure time :
L: 12 x 20 min
total L: 4 hour
location : Home observatory Leopoldshöhe
image processing : Fitswork (image addition, Flat correction) / Astroart 5 / PS CS5 (final processing)
spezifics : first try
here you can find the picture size 100 %