2007.06.30 Hg lamp w/ CH350 near 5303 4th setup, NAL5250+HA50, GC=17.691 near best focus at 5303 camera Hg_g2 -- slit=10um, expo=30ms Hg_g3 -- slit=50um, ND, expo=30ms Hg_g4 -- slit=100um, ND, expo=30ms Hg_g5 -- slit=120um, ND, expo=30ms Hg_g6 -- slit=200um, ND, expo=30ms