I attach Sh2 103 astrophoto,Red:S-II.Green:H-alpha.Blue:O-III and Red:H-alpha.Green:O-III.Blue:S-II
Corbera de Llobregat(Barcelona)Spain.
Dates:06-08 and 08-08-2015Telescope:PENTAX 75 SDHF f:6.7
Cámera:SBIG STL 11000 M
Mount: 10 MICRON GM 2000
Exposures:
H-alpha :6x1.200 sec bin1
O-III: 3x1.200 sec bin1
S-II 3x1.200 sec bin1
darks-flats-.:CCDStack2 +
Photoshop CS6 programs