A 15 second occultation was recorded by Brian Loader, using an SCT Telescope and WATEC 910BD camera.

A 15 second occultation was recorded by Murray Forbes, using an SCT Telescope and WATEC 120N+ camera.

A 16 second occultation was recorded by Bill Allen, using an SCT Telescope and WATEC 910BD camera.

A 15 second occultation was recorded by Graeme McKay, using an SCT Telescope and WATEC 120N+ camera.

One miss was recorded for this event.

View the IOTA update.

Observers:
  1    M Forbes, Lower Hutt, Wellington, New Zealand
  2    W Allen, Blenheim, Marlborough, New Zealand
  3    G McKay, Blenheim, Marlborough, New Zealand
  4    B Loader, Wakefield, Nelson, New Zealand
  5(M) J Newman, Canberra, Australian Capital Territory, Australia      
  6(P) Prediction- IOTA Feed                

         



       

Discussion:

The DAMIT model has been plotted to fit the observed chords. The event appears to have been close to the predicted path.

The figures below show the Tangra light curve of the occultation.

W Allen.

M Forbes.

B Loader.

G McKay

Observational Data:

Observation details for MP ( 10 ) Hygiea
By Star              UCAC2 21608371
On 2017-02-26  at 16:38:36.0

_______________________________

Observer   B. Loader
Location   Wakefield, Nelson
Longitude  +173:02
Latitude   -41:24
Altitude   62 m
Datum      WGS84
Telescope SCT including Cass and Mak
Aperture   20 cm
Seeing     Slight flickering Clear 
Camera Type  Watec 910BD    AAV-PAL       
Camera Delay 
Timing     GPS - time inserted Video with frame analysis
Disappearance  16:38:23.59
Reappearance   16:38:38.39
Comments: Times as generated by AOTA.  OW did not pick up the results so entered by hand  Report prepopulated by IOTA Reporting Add-in for OW ver.1.8

_______________________________

Observer   John Newman
Location   Canberra, ACT, AU
Longitude  +149:02
Latitude   -35:11
Altitude   657 m
Datum      WGS84
Telescope SCT including Cass and Mak
Aperture   40 cm
Seeing     Steady Clear 
Camera Type  Watec 910BD    PAL/CCIR      
Camera Delay 
Timing     GPS - time inserted Video with frame analysis

Missed

Comments:   Report prepopulated by IOTA Reporting Add-in for OW ver.1.8

_______________________________

Observer   M Forbes
Location   Lower Hutt, NZ
Longitude  +174:58
Latitude   -41:09
Altitude   26 m
Datum      WGS84
Telescope SCT including Cass and Mak
Aperture   20 cm
Seeing     Steady misty 
Camera Type  Watec 120N+    PAL/CCIR      
Camera Delay 
Timing     GPS - time inserted Video with frame analysis
Disappearance  16:38:26.07
Reappearance   16:38:41.03
Comments:  Lightcurve from 16:38:10 to 16:38:55 by Tangra v3.6.3 using AperturePhotometry/AverageBackground. Analysis by AOTA v4.2.7.0. Report prepopulated by IOTA Reporting Add-in for OW ver.1.8

_______________________________

Observer   W H Allen
Location   Blenheim
Longitude  +173:50
Latitude   -41:29
Altitude   38 m
Datum      WGS84
Telescope SCT including Cass and Mak
Aperture   40 cm
Seeing     Steady Clear 
Camera Type  Watec 910BD    NTSC/EIA      
Camera Delay 
Timing     GPS - time inserted Video with frame analysis
Disappearance  16:38:25.04
Reappearance   16:38:40.60
Comments:   

_______________________________

Observer   Graeme McKay
Location   Blenheim
Longitude  +173:57
Latitude   -41:32
Altitude   18 m
Datum      WGS84
Telescope SCT including Cass and Mak
Aperture   28 cm
Seeing     Steady Clear 
Camera Type  Watec 120N+    PAL/CCIR      
Camera Delay 
Timing     GPS - time inserted Video with frame analysis
Disappearance  16:38:25.33
Reappearance   16:38:40.33
Comments: 12secs earlier than predicted  Report prepopulated by IOTA Reporting Add-in for OW ver.1.8