NHK obeservation 2008 Aug.13 Shinoda, Hagino, Kawakami

HeI1083nm polarimetry

No significant phenomena on H-alpha monitor!

GC=17.291 filter:RM90
lambda=256.8 f=

1.limb observation (slit fixed, parallel to the limb)
 he01_000-099 08h05m-08h31m(JST)
 slit width=0.2mm , 2x2 binning
 exp time=1000ms

2.limb observation (image rotator turned 180 degree)
 he02_000-103 09h32m-09h55m
 exp.time=500ms
 
3.limb observation (slit fixed, vertical to the limb)
  (probably west limb)
 he03_000-099 09h59m-10h20m
 exp.time=500ms

4.flat field
 diffuser(line) flat00 exp.time=1000ms
 exp.time=500ms flat01-05
 exp.time=1000ms flat06-10
 
5.limb observation (slit vertical to the limb)
 he04_000-099 10h31m-10h52m
 exp.time=500ms

6.dark frame
 exp.time=1000ms dark00-05
 exp.time=500ms dark06-10