A 7 second occultation was recorded by Steve Kerr, using video OSD technique while John Broughton recorded a miss observation.

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Observers:
  1    S Kerr,Rockhampton                   
  2(M) J Broughton,Reedy Creek, QLD, AU     
  3(P) Prediction - IOTA Feed               

           



       

Discussion:

The circle above is plotted at the expected 276 km diameter of Euphrosyne. With only one chord it is not possible to determine whether Stev was north or south of the central line of the event although given the chord length, he was most likely close to the centreline. Johns observation does not constrain the conclusion. The circle has been plotted on the observed chord .

This is Steve's second observation of an occultation by (31) Euphrosyne with a previous positive recorded on 2008 June 16.

The figure below shows the Tangra light curve of the occultation analysed through AOTA.

Observational Data:

Observation details for MP ( 31 ) Euphrosyne
By Star              UCAC2 7175462
On 2015-07-26  at 12:16:47.0

_______________________________

Observer   S. Kerr
Location   Rockhampton
Longitude  +150:30
Latitude   -23:16
Altitude   50 m
Datum      WGS84
Telescope SCT including Cass and Mak
Aperture   30 cm
Seeing     Slight flickering Clear 
Camera Type  Watec 120N+    PAL/CCIR      
Camera Delay 
Timing     GPS - time inserted Video with frame analysis
Disappearance  12:16:12.13
Reappearance   12:16:30.51
Comments:   Report prepopulated by IOTA Reporting Add-in for OW ver.1.8

_______________________________

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     Steady Clear 
Camera Type  Watec 120N+    PAL/CCIR      
Camera Delay 
Timing     GPS - time inserted Video with frame analysis

Missed

Comments: