A 4 second and a 3 second occultation of this double star were recorded by Dave Herald, using an SCT Telescope and Watec 910BD camera.

View the IOTA update.

Observers:
  1    D Herald, Murrumbateman, New South Wales, Australia 
  2    D Herald, Murrumbateman, New South Wales, Australia 
  3(P) Prediction- IOTA Feed                

         



       

Discussion:

The DAMIT model has been plotted to fit the observed chords. The actual path appears to be south of the prediction.

The figure below shows the Tangra light curve of the occultation.

Observational Data:

Observation details for MP ( 187 ) Lamberta
By Star              UCAC4 61526159
On 2017-04-15  at 09:23:14.0

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Observer   Dave Herald
Location   Murrumbateman, NSW, Australia
Longitude  +148:59
Latitude   -34:57
Altitude   594 m
Datum      WGS84
Telescope SCT including Cass and Mak
Aperture   40 cm
Seeing     Slight flickering Clear 
Camera Type  Watec 910BD    PAL/CCIR      
Camera Delay 
Timing     GPS - time inserted Video with frame analysis
Disappearance  09:23:11.07
Reappearance   09:23:14.77
Comments: Double star - mags 12.3 and 12.7. Secondary Occn 3.0s Lightcurve from 09:21:45 to 09:24:26 by Tangra v3.6.3 using AperturePhotometry/AverageBackground. 
Analysis by AOTA v4.2.11.0. Report prepopulated by IOTA Reporting Add-in for OW ver.1.8

_______________________________

Observer   Dave Herald
Location   Murrumbateman, NSW, Australia
Longitude  +148:59
Latitude   -34:57
Altitude   594 m
Datum      WGS84
Telescope SCT including Cass and Mak
Aperture   40 cm
Seeing     Slight flickering Clear 
Camera Type  Watec 910BD    PAL/CCIR      
Camera Delay 
Timing     GPS - time inserted Video with frame analysis
Disappearance  09:23:11.33
Reappearance   09:23:14.33
Comments: Double star - mags 12.3 and 12.7. Secondary Occn 3.0s Lightcurve from 09:21:45 to 09:24:26 by Tangra v3.6.3 using AperturePhotometry/AverageBackground. 
Analysis by AOTA v4.2.11.0. Report prepopulated by IOTA Reporting Add-in for OW ver.1.8