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Asteroid (3122) Florence (NEA) culminating on 2017 Aug 29 0Hr.


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About this observation
Tim Haymes
Time of observation
29/08/2017 - 00:01
(3122) Florence
Observing location
nr Reading, England
50mm lens at F4 (guided)
Canon EOS 60Da
Astronomik CLS CCD filter
60s x 2
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I set up for some Milky-Way imaging In quite clear conditions (and Moon set) using 50mm lens and LPR filter. [SQM-L was 20.3]. At 1am BST I looked at the charts (SMP11) and found (3122) very low in the South (just past culmination). I took four 1 min exposures at 1 min intervals before packing up. In the morning  I found three of the images contained the asteroid and used images 2 and 4 in the stack which shows movement. I also blinked them in AstroArt5 to confirm its ID.  The object is about mag 9 and the image needs a fair amount of "zoom" to see the asteroid (see inset image). The NEO will move rapidly North.

The wide field image was jpg (small) and the inset was from RAW

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