ES4

Data Time   (loc time) Exp delay Phase T flats
10/30/06               
Start     6:05 p.m   2 m -1m      2 sec       74.2      40 F          yes
Stop     12:00 p.m          
seeing  good
weather Partly cloudy
note Old opt system.
ES1    
Start   7:25 p.m. bs_exp=900 flat_bs=20000  
Stop   11:30 p.m. fd_exp=50000-30000 flat_fd=300  
  first hour was summer time