000823
Tohmura, Kawakami, Shinoda

NHK observations


1.HeID3 prominence scan

GA=13.545 (D3 3rd)
filter: HA50 + O56
f=63.8, lamda=287.6
slit=120micron, exp=10sec
step=3"
no binning

NW-prominence
pd3_000-066 09h09m-10h30m telescope drift

flat: pd3flat1 with diffuser exp=20sec

NW-prominece
pd3b_000-049 10h53m-11h54m

SE-prominece
pd3c_000-049 12h04m-13h05m

dark: pd3dark1 exp=10sex
      pd3dark2 exp=20sec
      pd3dark3 exp=5sec
flat: pd3flat2 slot,ND03+40+25 exp=5sec

2.FeI6303 scan sunspot near central meridian

GA=21.131 (6303 4th)
filter: HA50+R60
f=52, lamda=299
slit=50micron, exp=500ms
step=2"
no binning

sp1_000-099 13h43m-14h08m

flat: sp1flat1 with diffuser exp=45sec
      sp1flat2 slot,ND03     exp=500ms
dark: sp1dark1 exp=500ms
      sp1dark2 exp=45sec

3.FeI5250 scan sunspot same as 2

GA=16.636 (5250 4th)
filter: HA50+5303
f=52, lamda=299
slit=50micron, exp=500ms
step=2"
no binning

sp2_000-099 14h38m-15h10m

flat: sp2flat1 with diffuser exp=60sec but under
      sp2flat2 with diffuser exp=60sec but under
      sp2flat3 with diffuser exp=120sec
      sp2flat4 slot, ND03    exp=1sec
      sp2flat5 slot, ND03    exp=2sec
dark: sp2dark1 exp=500ms
      sp2dark2 exp=1sec
      sp2dark3 exp=60sec
      sp2dark4 exp=120sec
      sp2dark5 exp=2sec