000824
Tohmura, Kawakami, Shinoda

NHK observations


1.FeI5250 scan sunspot near central meridian

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

sp1_000-066 06h25m-06h55m telescope drift

flat: sp1flat1 with diffuser exp=120sec
      sp1flat2 slot,ND03     exp=500ms
      sp1flat3 slot,ND03     exp=1sec
dark: sp1dark1 exp=120sec
      sp1dark2 exp=500ms
      sp1dark3 exp=1sec

2.FeI6303 scan sunspot near central meridian

GA=21.130 (6303 4th)
filter: HA50+R60
f=52, lamda=299
slit=50micron, exp=500ms
step=2"
no binning

sp2_000-099 07h33m-07h56m

flat: sp2flat1 with diffuser exp=60sec
      sp2flat2 slot,ND03     exp=500ms
dark: sp2dark1 exp=60s
      sp2dark2 exp=500ms

3.HeI10830 scan sunspot near central meridian

GA=17.284
filter: RM90
f=76, lamda=328
slit=80micron, exp=4sec
step=2"
no binning

sp3_000-099 08h39m-09h45m

flat: sp3flat1 with diffuser exp=40sec
      sp3flat2 slot, ND03+40 exp=4sec
dark: sp3dark1 exp=40sec
      sp3dark2 exp=4sec

4.MgI5173+5183 scan sunspot near central meridian

GA=3.764 (1st)
filter: HA50+Y48
f=72, lamda=295
slit=50micron, exp=50ms
step=2"
no binning

sp4_000-099 11h00m-11h30m

flat: sp4flat1 with diffuser exp=20sec
      sp4flat2 slot, ND13+20+25 exp=50ms
dark: sp4dark1 exp=50ms
      sp4dark2 exp=20sec

5.HI P18 (8437) prominence on W-limb

GA=12.893 (2nd)
filter: R62
f=49, lamda=296
slit=100micron, exp=60sec
step=3"
2X2 binning

pr1_000-012 15h18m-16h38m

flat: pr1flat1 with diffuser exp=3sec
      pr1flat2 slot, ND03+13+20, diffuser exp=60sec
dark: pr1dark1 exp=60sec
      pr1dark2 exp=3sec

3.H alpha scan sunspot near central meridian

GA=4.789 (1st)
filter: R60
f=52, lamda=296
slit=50micron, exp=200ms
step=2"

sp5_000-099 17h26m- only I+V,I-V

flat: sp5flat1 with diffuser exp=20sec
      sp5flat2 slot, ND03 exp=200ms
dark: sp5dark1 exp=200ms
      sp5dark2 exp=20sec