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Three misses were recorded for this event using video OSD technique.
View the updated prediction.
Observers:
1(M) D Lowe,Gatton, Queensland, AU
2(M) P Anderson,THE GAP,Brisbane, QLD,AU
3(M) J Broughton,Reedy Creek, QLD 4227, AU
4(P) Prediction 5 April
Discussion:
The circle above is plotted at the expected 126 km diameter of Atalante.
With no chords we cannot determine the actual path.
All observers were within the predicted path but high uncertainty made
it a long shot.
Observational Data:
Observation details for MP (92) Undina
By Star UCA 2U27859633
On 2009-05-16 at 19:17:43.0
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Observer Dennis Lowe
Location Gatton, Queensland, AU
Longitude +152:21:27.1
Latitude -27:30:55.5
Altitude 39 m
Datum WGS84
Telescope Refractor
Aperture 10 cm
Seeing Strong flickering Clear
Timing GPS - time inserted Video with frame analysis
Missed
Comments: Wind fromWSW at 8 knots. Temp 3 degrees C.
Camera GSTAR-EX at prime focus fitted with a .6X focal reducer.
Integration rate set at X12
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Observer Peter Anderson
Location THE GAP,Brisbane, QLD,AU
Longitude +152:55:57.9
Latitude -27:27:42.3
Altitude 170 m
Datum WGS84
Telescope Newtonian
Aperture 41 cm
Seeing Steady Clear
Timing Tape Recorder + time signal Visual, PE applied
Missed
Comments: Asteroid and star merged after 19hrs 00min and were clearly
separating by 19hrs 30min. The asteroid was brighter than the star but
there was NO discernable variation in brightness, particularly around
the critical time so unless there is evidence to the contrary, I would
be inclined to call this a miss.
Naked eye though is not reliable for small drops.
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Observer J Broughton
Location Reedy Creek,Reedy Creek, QLD 4227, Australia
Longitude +153:23:52.9
Latitude -28:06:30.4
Altitude 66 m
Datum WGS84
Telescope SCT
Aperture 25 cm
Seeing Steady Clear
Timing GPS - time inserted Video with frame analysis
Missed
Comments: :Watec 120N+ using 4-frame integration.