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A 4 second occultation was recorded by Brian Loader, using an SCT Telescope and Watec 910BD camera.
1 miss was recorded for this event.
View the IOTA update.
Observers: 1 B Loader, Darfield, New Zealand 2(M) M Unwin, Wanaka, New Zealand 3(P) Prediction
Discussion:
The DAMIT model above is plotted at the expected diameter of Eleutheria. With only one chord, it is not possible to tell if Brian was north or south 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.
Name:
Observational Data:
Observation details for MP ( 567 ) Eleutheria By Star UCAC4 342-197950 On 2017-11-18 at 09:40:01.0 _______________________________ Observer B. Loader Location Darfield Longitude +172:06 Latitude -43:28 Altitude 210 m Datum WGS84 Telescope SCT including Cass and Mak Aperture 25 cm Seeing Slight flickering Clear Camera Type Watec 910BD AAV-PAL Camera Delay Timing GPS - time inserted Video with frame analysis Disappearance 09:39:51.09 Reappearance 09:39:55.09 Comments: Lightcurve from 09:38:49 to 09:41:07 by Tangra v3.6.13 using AperturePhotometry/AverageBackground. Analysis by AOTA v4.5.0.1. Report prepopulated by IOTA Reporting Add-in for OW ver.1.9 _______________________________ Observer Martin Unwin Location Wanaka Longitude +169:08 Latitude -44:40 Altitude 326 m Datum WGS84 Telescope SCT including Cass and Mak Aperture 30 cm Seeing Steady Clear Light winds Camera Type Watec 910BD PAL/CCIR Camera Delay Timing GPS - time inserted Video with frame analysis Missed Comments: Clear miss at 4x integration. Asteroid visible and resolved at 64x twelve minutes before event Report prepopulated by IOTA Reporting Add-in for OW ver.1.8