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Video astrometry of Near-Earth Object 2015 FP118

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About this observation
Observer
Alex Pratt
Time of observation
05/09/2018 - 22:00
Object
Near-Earth Object 2015 FP118
Observing location
Z92
Equipment
C11 f/10 with f/3.3 focal reducer
Watec 910 video camera
IOTA-VTI GPS time inserter
OccuRec (recorder)
Tangra (reduction)
Exposure
0.32s exposures
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At last, a clear night to record this NEO which is in an Apollo-type orbit, classified as a Potentially Hazardous Asteroid. The sky cleared but I had to wait a while because a few doors away new neighbours frequently have a bonfire in the evening and its debris wafts over my observatory. Under non-optimal conditions of unwanted particulates and an acrid burning smell I persevered and obtained video astrometry of this asteroid and comet 21P.

1-minute videos recorded with OccuRec and measured with Tangra gave the asteroid's sky motion to be 0.36"/sec, 0.13"/sec in RA and 0.33"/sec in Dec. Astrometric results were submitted to the MPC and they are also available on NEODyS.

 

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