leolam2011:
薄云中的NGC7000-60da试用
leolam2011:
Witch head nebula
leolam2011:
Rho Ophiuchus
leolam2011:
0181,183,185,186_1000x1000
leolam2011:
2013-07-08_NGC7000_60Da+70-200F4IS@200MM_F4_iso800_300sx9