date:990818
observers:Sano, Kato, Kawakami, Tohmura

NHK observations


1. 6303 AR scan (shukushou image) fine->cloudy->fine

setting:GA=21.137   6303 4th
        filter= HA50 + 6374
        f=---,  lamda=---, Gf=---
        slit=465? micron ( "46.5" ),  exp=100 ms

data:09h15m-19m JST   g1_000-020     4"x20 steps
     09h30m-45m JST   fe1_000-040    2"x40 steps, image motion!

dark:09h50m JST c.a.  fe_drk1-3
flat:10h00m JST c.a.  fe_flt1-3  with ND03+slot

data:10h16m-30m JST   fe2_000-040    2"x40 steps, large image motion!

data:12h40m-55m JST   fe3_000-040    2"x40 steps, seeing worse
                                                  passing clouds


2. 5250 AR scan (shukushou image) cloudy

setting:GA=16.648   5250 4th
        filter= HA50 + 5303
        f=---,  lamda=---, Gf=---
        slit= ? micron ( "30" ),  exp=250 ms

data:15h07m-22m JST   fe4_000-040    2"x40 steps, passing clouds

data:16h47m-55m JST   fe5_000-021    2"x40 steps, stable seeing
                                                  stopped due to clouds
kokomade full-size images (3MB/image)