IC4603: Reflection Nebula in Ophiuchius
An interesting reflection nebula complex located between Antares and Rho-Ophiuchi. This nebula is quite faint and low in the southern sky and needs lots of exposure time.
Optics: Takahashi TOA130S with TOA35ReducerA NJP Temma2 Mount
Camera: SBIG STL-11000XM, Astronomik Type2C LRGB filters
Exposure: L=120min(20min~6)CR=20min, G=20min, B=20min, Ha=20min(HRGB:2x2binned)
Software: Stellaimage5, PhotoshopCS
Location: Nosegawa village, Nara Prefecture, 2007