ASTEROIDAL OCCULTATION - REPORT FORM

    +------------------------------+  +------------------------------+
    |            EAON              |  |            IOTA/ES           |
    |                              |  |   INTERNATIONAL OCCULTATION  |
    |     EUROPEAN  ASTEROIDAL     |  |      TIMING  ASSOCIATION     |
    |     OCCULTATION NETWORK      |  |       EUROPEAN SECTION       |
    +------------------------------+  +------------------------------+

1 DATE (YYYY/MM/DD):	2021/02/20
	STAR:		UCAC4-712-010159
	ASTEROID:	Chaldaea
	N°: 		313

2 OBSERVERS: 
	Name: Marcin Filipek        PTMA SOPiZ
        E-mail: marfil@wp.pl
     

3 OBSERVING STATION: 
	Nearest city:            Krakow, Poland 
	Station:                 Jerzmanowice
	Longitude (DD MM SS.s):    E  19 45 02.6 (WGS84)
	Latitude    (DD MM SS.s):  N  50 12 43.7 (WGS84)
	Altitude (m):            449 m (WGS84)
        Single|Multiple station: Single


                         +----------------------------+
4 TIMING OF EVENTS:      |                            |
                         |  EVENT REPORTED: POSITIVE  |
                         |                            |
                         +----------------------------+

	Event code
	S: observation Start   I: Interruption start
	D: Disappearance       J: Interruption end
	R: Reappearance        B: Blink   F: Flash
	E: observation End     O: Other (specify)
  
                                                  Comments
  Event   Time (UT)    P.E.   Acc.   
  Code   HH:MM:SS.ss   S.ss   S.ss

    S  -  22:39:30.00 -  
    D  -  22:41:30.36  +/-0.05
    R  -  22:41:33.61  +/-0.02
    E  -  22:42:00.00       
  
        Duration : 3.25 s +/-0.05
        
5 TELESCOPE:
        Type: Newton
        Aperture: 250 mm
        Focal length: 1000 mm 
        Mount:  Equatorial
        Motor drive: Yes
        
6 TIMING & RECORDING:
        Time source: GPS
        Sensor: SCB2000P Samsung
        Recording: x2 integration (0.04 s)
        AGC: low
        Recording device: avi video with VirtualDub, (Windows), VideoDVR (25 frames/s)
        Time  insertion: Inserter GPS

7 OBSERVING CONDITIONS:
        Atmospheric transparency: good
        Wind: no
        Temperature: -1 °C 
        Star image stability: good
        Minor planet visible:  yes

8 ADDITIONAL COMMENTS:   
        Event in altitude:  28°
        Moon distance: 24°
        Constellation: Orion	
        Distance from center line: 47 km
        Event probability at site : 49.2 %