ASTEROIDAL OCCULTATION - REPORT FORM - EAON
EUROPEAN ASTEROIDAL OCCULTATION NETWORK
 
1. DATE: 5 ottobre 2018     STAR: UCAC4 561-23790   ASTEROID:  (686) Gersuind

2.OBSERVER
   Name:    Andrea MANNA                                                         Abr.: MAA
   Phone: 0041 91 859 06 61
   Address: via alla Motta – Cugnasco (Switzerland)
    Email: andreamanna@sunrise.ch    andrea.manna@laregione.ch

3.OBSERVING STATION
   Station:         Cugnasco  (c.Ti  Switzerland)   
   Nearest city: Locarno
   Longitude:    08d 55m 13.8s  E 
   Latitude:       46d 10m 35.5s   N
   Altitude:        240m
                         (Google Earth)       

4.TIMING OF EVENTS
   Occultation recorded: POSITIVE
   Type of event:
   “S”tart observation:    01: 24: 40   UT    
   “E”nd observation:      01: 30: 07  
   
   “D”isappearance:        D1   01: 27: 40.50       +/- 0.32  s    UT     (with Dangl correction)
   “R”eappearance:         R1   01: 27: 41.78       +/- 0.32  s
    
     Duration:                     1.28 sec   +/-  0.64  s  

   
   “D”isappearance:        D2  01: 27: 43.06       +/- 0.32  s    UT     (with Dangl correction)
   “R”eappearance:         R2  01: 27: 44.98       +/- 0.32  s
    
     Duration:                     1.92 sec   +/-  0.64  s  

           
   
   
   Personal Equation Substracted: 
    Event Time (UTC)       P.E.      Accuracy + Comments
    code: HH:MM:SS.ss    S.ss
    -S :    
    -E :   
 
5.TELESCOPE
  Type:  Schmidt-Cassegrain
  Aperture: 200mm
  Focal length:  600mm  (with focal reducer)
  Mount: Equatorial 
  Motor drive: Yes

6.TIMING & RECORDING
  Timekeeping: GPS 1PPS (US Global Sat EM-406A)
  Videocamera Watec Wat-910HX/RC
 Shutter mode= X 32, Gain=41, Gamma=1.00
  Mode of recording 
  Device of recording:  IOTA-VTI, v.1.1.42

7.OBSERVING CONDITIONS
  Atmospheric transparency: good
  Wind: 
  Star image stability:
  Temperature: 
  Minor Planet Visible: no

8.ADDITIONAL COMMENTS

I recorded two drops in brightness. I enclose light curves.