A 10 second occultation was recorded by Brian Loader, using video OSD technique.

One clearly observed miss was recorded for this event.

View the updated prediction.

Observers:
  1(M) J Talbot,Waikanae Beach, NZ
  2    B Loader,Darfield, NZ
  3(P) Prediction, 02 July

    

Discussion:

The circle above is plotted at the expected 151 km diameter of Adeona. 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.

Observational Data:

Observation details for MP ( 145 ) Adeona
By Star              TYC 7459-00018-1
On 2011-07-19  at 08:46:21.0

_______________________________

Observer   John Talbot
Location   Waikanae Beach, NZ
Longitude  +175:01
Latitude   -40:51
Altitude   5 m
Datum      WGS84
Telescope Newtonian
Aperture   25 cm
Seeing     Slight flickering Clear
Camera Type  KTC530         PAL/CCIR
Camera Delay 0
Timing     GPS - time inserted Video with frame analysis

Missed

Comments: Fine, calm, no moon, on target, no event
Target very dim due near roof edge so not getting full aperture lit
Report prepopulated by IOTA Reporting Add-in for OW ver.1.6

_______________________________

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     Steady Thin cloud < 2
Camera Type  WAT120N        PAL/CCIR
Camera Delay 0.17
Timing     GPS - time inserted Video with frame analysis
Disappearance  08:46:20.85
Reappearance   08:46:30.87
Comments: Through thin cloud which more or less cleared during the observation.
Darfield virtually at 2 sigma, 161 km from predicted mid line
Inserted times corrected by Dangl factor, then an allowance applied for the
approximate time during the 8 frame sets.
Report prepopulated by IOTA Reporting Add-in for OW ver.1.6