ES4

Data(lt) Time   (PT) Exp delay Phase T flats
05/21/07    

30 sec

107.9

44 F

 Yes

Start   08:48 p.m.

 

 

         

 

 

Stop   12:30          
seeing   good
weather   clear, light wind, come high transparent clouds
note   test old and new filters

 

 

 

flats: 1-3 new filter     4-6 no filter    7-9  old filter
filter

NN

exp dark side

old filter

07may220026-220060

90 sec

no filter

07may220061-220109

60 sec-40sec

new filter

07may220110-220162

90 sec-60 sec

old filter

07may220163-220198

50 sec

no filter

07may220199-220233

40 sec

new filter

07may220234-220268

60 sec

old filter

07may220269-220304

90 sec

no filter

07may220305-220340

40 sec

new filter

07may220341-220375

90 sec

old filter

07may220376-220410

120 sec

no filter

07may220411-220446

60 sec

new filter

07may220447-220497

120 sec

old filter

07may220498-220547

120 sec