ES4

Data Time   (loc time) Exp delay Phase T flats
11/10/06               
Start     12:08 p.m   1 m - 30 s      2 sec         60.5      46 F          yes
Stop      2:30 a.m          
seeing  good
weather ivning - cloudy. Stop when clouds.
note Old opt system.
ES1    
Start   12:46 p.m. bs_exp=8000 flat_bs=30000  
Stop    3:0 a.m. fd_exp=50000 flat_fd=500