NRO Heliograph Tohban's Report for Week 43 ( 18 Oct 1999 - 24 Oct 1999)

                                                Tohban-minarai : T. Watanabe

1. Solar Activity

  Solar activity was moderate. An M1.7 flare was recorded  during  the  NORH
  observing hours.

2. Remarkable Events found by NoRH

 A C6.6 occurred during the Yohkoh night.

 An M1.7 flare at NOAA8731 was successfully observed by Yohkoh/TRACE/SoHO as
 JOP113. See also http://isass1.solar.isas.ac.jp/sxt_co/index.html.

 No other significant event was detected last week, except a small number of
 prominence disruptions.

                Start      Peak      End    Dur    Max Cor.
                (UT)       (UT)      (UT)  (sec)  (x 10^-4)
 1999-10-18 01:06:06  01:12:40  01:27:14   1268         47
 1999-10-20 05:54:29  05:56:50  06:44:58   3029         51
 
 (For more information,  
  http://solar.nro.nao.ac.jp/~tohban/event/events.html)

3. Observing log

   No trouble.

4. Next tohban (week 44)

  ?