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ASTEROIDAL 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: 22 Feb 2020
   STAR: UCAC4 479-031813
   ASTEROID: (3977) Maxine

2. OBSERVER
   Name: Stefano SPOSETTI
   Address: 6525 GNOSCA - Switzerland
   Email: stefanosposetti@ticino.com

3. OBSERVING STATION
   Nearest city: CH-6525 Gnosca
   Longitude: 9d 1m 26.5s (E)
   Latitude: 46d 13m 53.2s (N)
   Altitude: 260 m
   (WGS84)

4. TIMING OF EVENTS
   Occultation recorded: NEGATIVE
   "S"tart observation;
   "E"nd observation;

   Event Time (UTC), code: HH:MM:SS

-S : 22:38:00
-E : 22:44:00

5. TELESCOPE
   -Type: Newton
   -Aperture: 420 mm
   -Focal length: 1640 mm
   -Mount: Equatorial
   -Motor drive: Yes

6. TIMING & RECORDING
   -Camera/Sensor: Videocamera  QHY174M-GPS, SONY IMX174 CMOS sensor
   -Device of recording: Personal computer, USB3 input, SharpCap v. 3.2 software, saved on SSD Harddisk as SER file
   -binning 2x2, uncooled, camera bit depth = 16
   -Timekeeping: GPS UTC clock
   -Integration time: 0.200 s

7. OBSERVING CONDITIONS
   -Atmospheric transparency: fair/good
   -Wind: -
   -Star image stability: good
   -Minor Planet Visible: -

8. ADDITIONAL COMMENTS
   -Occultwatcher, ITALOccult prediction, 11.2 % probability