A 7 second occultation was recorded by Diana Watson, using visual technique.

View the updated prediction.

Observers:
  1    D Watson,Thornton,Whakatane,NZ
  2(P) Prediction 18 Feb
    

Discussion:

The circle above is plotted at the expected 105 km diameter of Marion. With only one chord it is not possible to determine whether Diana was north or south of the central line of the event.

Observational Data:

Observation details for MP (506) Marion
By Star              TYC 0815-01555-1
On 2009-02-23  at 13:27:40.0
_______________________________

Observer   Diana Watson
Location   Thornton near Whakatane
Longitude  +176:51:48.4
Latitude   -37:55:30.1
Altitude   3 m
Datum      Other
Telescope SCT including Cass and Mak
Aperture  20 cm
Seeing     Steady Clear
Timing     Tape Recorder + time signal Visual, no PE applied
Disappearance  13:27:43.00
Reappearance   13:27:50.00
Comments: Did see the planet approaching the star but the light from the star swallowed it up.