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October 26, 2019
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Unfiltered sequence of images (stacked on a comet) was obtained on 2019 Oct. 26 (2h42-3h08UT),
with 60-cm, f/3.3 Deltagraph telescope and CCD. Exposure time was 30x42 seconds. Total exposure time 21 minutes.
Image scale is 1.25 arc sec/pixel. Copyright © 2019 by B. Mikuz, Črni Vrh Observatory.
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September 11, 2019
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Comet 2I/2019 Q4 (Borisov) was discovered on 2019 Aug. 30.04UT by G. Borisov (L51) at Crimea. Its cometary nature was confirmed
by numerous observers. The object has hyperbolic elements, indicating the interstellar origin. More detail in
MPEC 2019-R106.
Our follow-up unfiltered sequence of images (stacked on a comet) was obtained on 2019 Sep. 11 (2h52-3h15UT),
with 60-cm, f/3.3 Deltagraph telescope and CCD. Exposure time was 3x60 seconds.
Image scale is 1.25 arc sec/pixel. Copyright © 2019 by S. Matičič and H. Mikuz, Črni Vrh Observatory.
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