1997 November 7 occultation of PPM 45832 by Asteroid Diomedes

I observed 1997 November 7 occultation of 7.3-mag. PPM 45832 by (1437) Diomedes at Fuchu-city of Tokyo.
The period from disappearance to reappearance was 4.9 sec.

Following is my detailed data.

Asteroid  :No.1437  Diomedes
Star      :PPM 45832 (7.3 mag.)
Date(U.T.):7th Nov. 1997
Observer Name:Mikiya Sato

    Aperture:12cm Focal, length:720mm, Type:Newton, Eyepiece Power:x18
Observing site name: Futyu City Tokyo Japan
    Longitude:139d 28' 45" E
    Latitude : 35d 40' 43" N
    Height above sealevel:60m
    Map 1/25,000(Tokyo Datum)

Sky Transparency    :Fair
Star Image Stability:Fair


  Started Observing:09h24m00. s 
  Disappearance:    09h29m56.0s (Gradual)
  Reappearance:     09h30m00.9s (Sure of event)
  Stopped Observing:09h33m00. s 

Time Source:JJY
Recording method:Voice & Tape Recorder

This event was observed from several stations around Tohoku district and Kantou district (including Tokyo) in Japan.
Following figure is arranged by Toshio Hirose. (Thanks for his arrangement.)


Asteroid and Planetary Occultation Predictions(BAA)

This pege is one of pages in BAA(The British Astronomical Association). Please look at "RECENT OCCULTATION NEWS AND SUCCESSES"!