1500x1042
2000x1389
2
Takahashi FSQ-106@Bitran BN-51LN CCD camera
IDAS BGR TypeIV filter & Koheisha Ha filter(12nm) Ha14x20min. G3x10min. B3x10min.
IC
B33 "Horsehead Nebula"in Orion
05h40m52.9 -02 28 00 Dim 6'x4' Opacity 4