IOTA ASTEROIDAL OCCULTATION REPORT FORM

Asteroid (or other object): (1049) Gotho  Star: TYC 1770-00737-1

Date (U.T.):2018 August 18  Predicted Time (U.T.): 0:31

Observer Name: Marek Zawilski 

Postal Address:  91-473 Lodz, Poland

TELESCOPE:  Aperture: 203mm  Focal length: 2032 mm, reduced to 1016 mm  Type: Celestron

    Eyepiece Power:________  Observing site name: Tobolice (35 km N-W from Lodz)

    Longitude: 19d 03'22.4" E Latitude:51d 54'48.3" N

    Height above sealevel:140 m  How determined?:GPS measurements

Sky Transparency (Circle one, or delete two):     Good   

Star Image Stability ("seeing"; as above):        Good  

Other Conditions:  (Wind, Clouds, Lights, etc.): none

EVENT TIMINGS:  (All times in Universal Time)

Time Source:synchronized computer time (every 2 minutes) using DIMENSION 4 software; time server GUM Warsaw (official one) applied; Recording method: digital ZWO ASI 120 MM camera

Was the Asteroid Visible in your Scope? no  Approx. Limiting Mag.:13

                               Universal Time  Estimated  Accuracy, Remarks
                                 h   m    s    Reaction
                                                Time,
  Started Observing:           00 :26 :00       (sec.)  ____________________

  Star and Object Merged:      ___:___:___.___          ____________________

  Disappearance:               ___:___:___.___          ____________________

  Estimated Closest Approach:  ___:___:___.___          ____________________
                  (if no D/R)
  Reappearance:                ___:___:___.___          ____________________

  Star and Object Separated:   ___:___:___.___          ____________________

  Stopped Observing:           00 :36 : 00              ____________________
   
  Was your reaction time applied to the above timings? no (not necessary)

If you could tell, did the object pass NORTH, SOUTH, EAST, or WEST of the
star (cicle one, or delete three)?  If possible,
estimate the distance of closest approach in arc seconds: _______

List all Interruptions in Observing:           Reason

    From  ___:___:___  to  ___:___:___    __________________________________

    From  ___:___:___  to  ___:___:___    __________________________________

Additional comments: time resolution of 0.2 s only due to the low star magnitude and the capacity of direct video stream with the used compromise image resolution of 640x480 pixels;
NEGATIVE RESULTS

email
report to:   reports@asteroidoccultation.com