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OCCULTATION OF UCAC2 15977111 BY 705 Erminia
2013 April 12


An 8.5 second occultation was recorded by Brian Loader, using Video OSD technique.

Two clearly observed misses were recorded for this event.

View the updated prediction.

Observers:
  1(M) D Watson,Thornton near Whakatane, NZ
  2    B Loader,Darfield,NZ
  3(M) A.Pennell & M.Broughton,Beverley Begg, Obs  Dunedin.,NZ
  4(P) Prediction 31 March


        

Erminia occultation - 2013 April 12

Discussion:

The circle above is plotted at the expected 150 km diameter of Erminia. With only one chord it is not possible to determine whether Brian was north or south of the central line of the event.

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

Erminia occultation - 2013 April 12

Observational Data:

Observation details for MP (705) Erminia
By Star              UCAC2 15977111
On 2013-04-12  at 14:58:45.0

_______________________________

Observer   Diana Watson
Location   Thornton near Whakatane, NZ
Longitude  +176:51
Latitude   -37:55
Altitude   3 m
Datum      Other
Telescope SCT including Cass and Mak
Aperture  200 cm
Seeing     Slight flickering Clear
Camera Type
Camera Delay
Timing     Tape Recorder + time signal Visual, no PE applied

Missed

Comments: some ground mist causing the slight flickering.

_______________________________

Observer   B. Loader
Location   Darfield,NZ
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  WAT120N        PAL/CCIR
Camera Delay 0.11
Timing     GPS - time inserted Video with frame analysis
Disappearance  14:59:22.62
Reappearance   14:59:31.15
Comments: brief 4-frame (3089 to 3092) apparent drop at ca 14:59:33 is spurious
and does not show in Limovie nor a rerun of Tangra.
Report prepopulated by IOTA Reporting Add-in for OW ver.1.7

_______________________________

Observer   A J Pennell & M Broughton
Location   Beverly Begg Observatory  Dunedin.,NZ
Longitude  +170:29
Latitude   -45:52
Altitude   139 m
Datum      WGS84
Telescope SCT including Cass and Mak
Aperture   35 cm
Seeing     Steady Clear
Camera Type  WAT120N        PAL/CCIR
Camera Delay 1.29
Timing     GPS - time inserted Video with frame analysis

Missed

Comments:


        

Return to 2013 occultation results



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