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OCCULTATION OF 2UCAC 32277249 BY 57 Mnemosyne
2015 June 27

A 11.4 second occultation was recorded by Ashley Pennell, using a video recording setup.

View the IOTA update..

  1    Ash Pennell, Dunedin NZ              
  2(P) Prediction




Mnemosyne occultation__ 2015 June 27


The circle above is plotted at the expected 108 km diameter of Mnemosyne. With only one chord it is not possible to determine whether Ashley was north or south of the central line of the event. It is curious that the observed occultation is longer than the maximum expected suggesting that (57) Mnemosyne has an irregular outline.

The figure below shows the Tangra light curve of the occultation.

Mnemosyne  occultation__ 2015 June 27

Observational Data:

Observation details for MP ( 57 ) Mnemosyne
By Star              UCAC2 32277249
On 2015-06-27  at 15:58:17.0


Observer   ashpennell
Location   dunedin NZ
Longitude  +170:29
Latitude   -45:52
Altitude   136 m
Datum      WGS84
Telescope SCT including Cass and Mak
Aperture   35 cm
Seeing     Steady Clear 
Camera Type  Watec 120N+    NTSC/EIA      
Camera Delay 
Timing     GPS - time inserted Video with frame analysis
Disappearance  15:58:14.43
Reappearance   15:58:25.83


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