Three clearly observed misses were recorded for this event.

View the updated prediction.

Observers:
  1(M) D Watson,Thornton near Whakatane, NZ
  2(M) J Bradshaw,Samford,QLD,AU
  3(M) A Walker,Tauranga,NZ
  4(P) Prediction, 16 April

    

Discussion:

The circle above is plotted at the expected 44 km diameter of Arequipa. 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 (737) Arequipa
By Star              HIP HIP71507
On 2011-05-30  at 10:27:59.0

_______________________________

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     Steady Clear
Camera Type
Camera Delay
Timing     Tape Recorder + time signal Visual, no PE applied

Missed

Comments: Thin ground mist.
I could see the asteroid but star too bright to estimate merging.

_______________________________

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:   Report prepopulated by IOTA Reporting Add-in for OW ver.1.4

_______________________________

Observer   Andrew Walker
Location   Tauranga,NZ
Longitude  +176:09
Latitude   -37:42
Altitude   11 m
Datum      WGS84
Telescope Newtonian
Aperture   32 cm
Seeing     Slight flickering Clear
Camera Type
Camera Delay
Timing     GPS - time inserted Video, photo or photoelectric

Missed

Comments: Magnification unknown, 12 inch f5 using the KPC-350BH camera
with a focal reducer fitted.
Time of observation being the length  of video recorded on the DVR.