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                 ASTERIODAL OCCULTATION - REPORT FORM

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           	           EAON & IOTA-ES

               EUROPEAN ASTEROIDAL OCCULTATION NETWORK

    INTERNATIONAL OCCULTATION TIMING ASSOCIATION EUROPEAN SECTION

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1.DATE: 2007/06/14
  STAR: HIP 95228
  ASTEROID: (676) Melitta

2.OBSERVER:
  	Name: Gerhard Dangl
	Phone: ++43-(0)2842-53908
	Address: AUSTRIA, A-3830, Nonndorf 12
	E-mail: gerhard@dangl.at

3.OBSERVING STATION:
	Nearest city: Waidhofen/Thaya
	Latitude:  N 48 47 13.2 (WGS84)
	Longitude: E 15 14 08.4 (WGS84)
	Altitude:  586m         (WGS84)
	Single/Multiple: Single

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4.TIMING OF EVENTS:
	Occultation recorded: NEGATIVE
	Type of event:
	"S"tart observation; "I"nterrupt-"s"tart; "D"isappearance;
	"B"link; "F"lash; "E"nd observation; "I"nterrupt-"e"nd;
	"R"eappearance; "O"ther (specify)
	
	Personal Equation Substracted: No
	Event Time (UT)		P.E. Accuracy + Comments
	code: HH:MM:SS.ss      S.ss  S.ss
	
	S:    00:13:08

	E:    00:19:12         
	
5.TELESCOPE:
	Type: Newton
	Focal length: 1200mm
 	Aperture: 254 mm
	Magnification: video/primary focus/FOV 18.5'x13.8'/1.5" per pixel
	Mount: Equatorial
	Motor drive: Yes

6.TIMING & RECORDING:
	Timekeeping: GPS 1PPS Garmin 18 LVC + KIWI-OSD
        Sensor/Camera: WAT-120N, CCIR, 1/2" Sony CCD-Sensor ICX419ALL
	Mode of recording: Int. time see comments, Video CCIR, AVI, YUY2, Huffyuv,
	Device of recording: Xpert V-Stream Videograbber USB2.0, Notebook Harddisk
        Time insertion: KIWI-OSD 

7.OBSERVING CONDITIONS:
	Atmospheric transparency: very bad
	Wind: 0 - 1m/s
	Star image stability: fair
	Minor planet visible: No
	Temperature: 288 Kelvin (+15 deg Celsius)
	
8.ADDITIONAL COMMENTS:
        Due to moving clouds in the target area the integration time had to be
        dynamically adjusted in the range from 160ms to 640ms. So it was possible
        to record the target star without a loss.

        Video evaluation accomblished with VirtualDub1.6.16
        No occultation detected
        
        Only Clear glass filter (Astronomik) for CCD protection was used

        Target star HIP 95228, +8.1mag, 33deg Elevation
        Limit on recorded video fields without editing was TYC 5143 1342, +9.2mag

        3-D Position and timing
	Garmin GPS18 LVC
        Receiving 06 satellites
        Horizontal Dilution of Precision 2.0
        Geoidal separation 44.4m (Altitude 541.1MSL + 44.4 = 585.5m in WGS84 datum)

        Gerhard Dangl
	gerhard@dangl.at
	www.dangl.at/
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