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A 13 second occultation was 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(P) Prediction- IOTA Feed
Discussion:
The circle above is plotted at the expected diameter of Arctica. With only one chord, it is not possible to tell if Dave was east or west of the centre line of the event. The model has been plotted centred on the observed chord.
The figure below shows the Tangra light curve of the occultation.
Herald:
Observational Data:
Observation details for MP ( 1031 ) Arctica By Star UCAC2 32157923 On 2018-02-14 at 15:21:47.0 _______________________________ 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 Strong flickering Clear Camera Type Watec 910BD PAL/CCIR Camera Delay Timing GPS - time inserted Video with frame analysis Disappearance 15:21:44.06 Reappearance 15:21:57.41 Comments: Lightcurve from 15:20:20 to 15:22:40 by Tangra v3.6.15 using AperturePhotometry/AverageBackground. Analysis by AOTA v4.5.3.10. Report prepopulated by IOTA Reporting Add-in for OW ver.1.9