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OCCULTATION OF TYC_1910_00611_1 BY 452 Hamiltonia
2011 March 31


Three clearly observed misses were recorded for this event.

View the updated prediction.

Observers:
  1(M) J Bradshaw,Samford,QLD,AU
  2(M) P Anderson,THE GAP,Brisbane,QLD,AU
  3(M) J Broughton,Reedy Creek, QLD, AU
  4(P) Prediction 6 March

    

Hamiltonia occultation - 2011 March 31

Discussion:

The circle above is plotted at the expected 19 km diameter of Hamiltonia. With no positive chords we cannot say where the actual path was, so the circle has been plotted on the predicted path.

Observational Data:

Observation details for MP (452) Hamiltonia
By Star              TYC 1910-00611-1
On 2011-03-31  at 11:33:17.0

_______________________________

Observer   Jonathan Bradshaw
Location   Samford,QLD,AU
Longitude  +152:50
Latitude   -27:22
Altitude   80 m
Datum      WGS84
Telescope Newtonian
Aperture   36 cm
Seeing     Steady Clear
Camera Type
Camera Delay
Timing     GPS - time inserted Video with frame analysis

Missed

Comments: A clear miss  Report prepopulated by IOTA Reporting Add-in for OW ver.1.4

_______________________________

Observer   Peter Anderson
Location   THE GAP,Brisbane,QLD,AU
Longitude  +152:55
Latitude   -27:27
Altitude   170 m
Datum      WGS84
Telescope Newtonian
Aperture   24 cm
Seeing     Steady Clear
Camera Type
Camera Delay
Timing     Tape Recorder + time signal Visual, PE applied

Missed

Comments:  Identification Positive. Images very steady. Field drifted behind a tree for my 41cm
but my old 1961 24cm could reach it after 11hrs 32min and clearly from 11.32.30.  The star was
bright.  There were definitely no events between the times stated. Then cloud was forming and
star was held fitfully to 11.34.45 then abandoned.

_______________________________

Observer   John Broughton
Location   Reedy Creek, QLD, AU
Longitude  +153:23
Latitude   -28:06
Altitude   66 m
Datum      WGS84
Telescope SCT including Cass and Mak
Aperture   25 cm
Seeing     Slight flickering Broken cloud
Camera Type
Camera Delay
Timing     GPS - time inserted Video with frame analysis

Missed

Comments: WAT120N+ at 25fps.  50% cloud cover but the target was in a gap during the whole
period.

    

Return to 2011 occultation results



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