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February 15, 2018
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False color image of comet C/2016 R2 (PANSTARRS), obtained on 2018 Feb. 15 (20h16-20h45UT)
with 60-cm, f/3.3 Deltagraph telescope, CCD and B filter. Exposure time was 30 minutes (10x180s, median combined).
The ion tail is mostly composed of CO+ gas, fluorescing in sunlight.
Image scale is 3.3 arc sec/pixel. Copyright © 2018 by H. Mikuz, Èrni Vrh Observatory.
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February 14, 2018
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False color image of comet C/2016 R2 (PANSTARRS), obtained on 2018 Feb. 14 (19h48-20h10UT)
with 60-cm, f/3.3 Deltagraph telescope, CCD and B filter. Exposure time was 20 minutes (10x120s, median combined).
The ion tail is mostly composed of CO+ gas, fluorescing in sunlight.
Image scale is 3.75 arc sec/pixel. Copyright © 2018 by H. Mikuz, Èrni Vrh Observatory.
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January 21, 2018
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False color image of comet C/2016 R2 (PANSTARRS), obtained on 2018 Jan. 21 (20h46-20h56UT)
with 60-cm, f/3.3 Deltagraph telescope, CCD and B filter. Exposure time was 10 minutes (5x120s).
The branched ion tail is mostly composed of CO+ gas, fluorescing in sunlight.
Image scale is 2.5 arc sec/pixel. Copyright © 2018 by H. Mikuz, Èrni Vrh Observatory.
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November 27, 2017
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False color unfiltered image of comet C/2016 R2 (PANSTARRS), obtained on 2017 Nov. 27 (0h11-0h17UT)
with 60-cm, f/3.3 Deltagraph telescope and CCD. Exposure time was 6 minutes (6x60s).
Image scale is 2.5 arc sec/pixel. Copyright © 2017 by H. Mikuz, Èrni Vrh Observatory.
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