(Yohkoh Operation Report)
 17-aug-99   (Tue)  Y+2909 (days)   KSC Tohban  +-----------------------------+
Operation-------------------------------------+ |K.Hori                       |
|OP WR#05, SXT TBL WR^2, STT TIMER SET, ZENITH| |S.Fujimaki                   |
+------------+------------+------------+------+-+---+------------+------------+
|            |   PASS 1   |   PASS 2   |   PASS 3   |   PASS 4   |   PASS 5   |
+------------+------------+------------+------------+------------+------------+
|  PASS No.  |990817-0620 |990817-0723 |990817-0826 |  ==ASCA==  |990817-1033 |
+------------+------------+------------+------------+------------+------------+
| Operation  |OP WRITE    |STT TIMER SE|Zenith      |            |BCS recovery|
|            |SXT TBL WR  |            |SXT TBL WR  |            |            |
+------------+------------+------------+------------+------------+------------+
|  AOS(UT)   |09:31:41    |11:14:32    |12:56:30    |            |16:22:18    |
|  LOS(UT)   |09:44:48    |11:28:04    |13:11:04    |            |16:36:03    |
+------------+------------+------------+------------+------------+------------+
|   MAX.EL.  |22.8015     |62.564      |--          |            |26.155      |
|    TIME    |09:37:54    |11:20:13    |--          |            |16:28:29    |
+------------+------------+------------+------------+------------+------------+
|REP/RNG/ANT |REP//B->A   |REP/RNG/B->A|REP//B->A   |            |REP/RNG/A   |
+------------+------------+------------+------------+------------+------------+
|  DP-MODE   |QT-H        |QT-H->ACS-H |QT-H->ACS-H |            |ACS-H       |
+------------+------------+------------+------------+------------+------------+
|  COMMANDS  |SXT CHK DIS |SXT CHK DIS |MAN FL H    |            |TMX H REP   |
|            |TMX H REP   |TMX H REP   |SXT CHK DIS |   (*)      |            |
|            |OP STOP     |ACS MOD H   |TMX H REP   |RST BAD BANK|BCS         |
|            |OP WRITE    |ACP DATA SET|ACS MOD H   |DP DC EXEC  |RECOVERY    |
|            |TCU MEM H   |ACE BC EXEC |SXT CTL MAN |BDR REC     |  :MEMCHK   |
|            |BDR PAUSE   |ACP DATA SET|MANU QT H   |            |  :MEMLD    |
|            |SXT CHK ENA |ACE BC EXEC |SXT TBL WR  |            |  :MEMCHK   |
|            |S/X ANT-A ON|MOD CTL AT  |SXT TBL RE  |            |  :SUMRST   |
|            |SBR A RNG   |BDR PAUSE   |DP BC "8C05"|            |            |
|            |SXT CHK DIS |SXT CHK ENA |SXT CHK ENA |            |RST BAD BANK|
|            |TMX H REP   |S/X ANT-A ON|ACS MOD H   |            |DP DC EXEC  |
|            |SXT CNT MAN |SBR A RNG   |SXT CTL AT  |            |BDR REC     |
|            |SXT TBL WR  |SXT CHK DIS |BDR PAUSE   |            |            |
|            |SXT TBL RE  |TMX H REP   |S/X ANT-A ON|            |            |
|            |DP BC "8C05"|ACS MOD H   |SBR A RNG   |            |            |
|            |SXT CNT AT  |    (*)     |<20mant rot>|            |            |
|            |OP START->* |            |TMX H REP->*|            |            |
+------------+------------+------------+------------+------------+------------+
|ERROR(S,D,B)|(ok,ok,ok)  |(ok,ok,ok)  |(ok,ok,ok)  |            |ok,ok,er->ok|
+------------+------------+------------+------------+------------+------------+
|   EVENT    |none        |none        |C-class Flr |            |none        |
+------------+------------+------------+------------+------------+------------+
|OBS R(NS,EW)|(96,209)    |(95,201)    |(171,178)   |            |(169,187)   |
+------------+------------+------------+------------+------------+------------+
|IMG CHK(P/F)|(ok/ok)     |(ok/ok)     |(ok/ok)     |            |(ok/ok)     |
+------------+------------+------------+------------+------------+------------+
|SXT TBL VER |990817 P1   |--          |990817 P3   |            |--          |
|            |ARS1 DARK   |--          |ARS1 DIFF   |            |--          |
+------------+------------+------------+------------+------------+------------+
|  GBO_MAIL  |dispatched  |dispatched  |dispatched  |            |dispatched  |
+------------+------------+------------+------------+------------+------------+
|FFI EXPOSURE|AlMg:30.21s |-->         |AlMg:30.21s |            |-->         |
|            |--          |-->         |Al.1: 2.67s |            |-->         |
+------------+------------+------------+------------+------------+------------+
|  REFORMAT  |done        |done        |done        |            |done        |
+------------+------------+------------+-----+------+-----+------+------------+
|  COMMENT   |OP START @pass 1 (09:40:44)    |SUN ANG/TFSS|0.1188-0.1387      |
+------------+-------------------------------+------------+-------------------+
3パス入感直前にAR8668でフレアが起きた。5パス入感時にBCSにMEM CHKSUM ERR見つかる。
最終パスだが、9分間可視時間があったのでrecover開始。ベテランコマンダーの原さん
と一緒に、消感check2分前にはクリア。衛星高度が687kmと高いのが原因かな?(堀)
ようこうの運用で、初めてフレアに遭遇しました。時間を追うごとに形が変わっていく
のが生で見れてなかなかおもしろかった。でも、AR8668は昨日から縮小してたので、フレ
アがここで起こったのは以外でした。(藤牧)