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Comet 2020 F3 (NEOWISE): a naked-eye comet visible in the pre-dawn sky

7 Jul 2020, 17:39 UTC
Comet 2020 F3 (NEOWISE): a naked-eye comet visible in the pre-dawn sky
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Comet 2020 F3 (NEOWISE) is looking great in the pre-dawn sky at the moment, shining at around magnitude +1 and sporting nice tail of around a degree in length. Gerald Rhemann shot this striking image of the comet on the morning of 6 July at 01:12 UT from Jauerling, Lower Austria. He used a 200mm ASA Astrograph, at f/2.9, and a ASI ZWO 6200 camera for this LRGB image (five seconds for each RGB and three, five-sec exposure for luminance).
Comet 2020 F3 (NEOWISE) is putting on a fine showing in the pre-dawn sky northern sky after emerging intact from perihelion (closest point to the Sun), which occurred on 3 July when the comet passed 0.29 astronomical unit, or 43 million kilometres from the Sun. It was discovered by NASA’s Near Earth Object Wide-field Infrared Survey Explorer (NEOWISE) spacecraft on March 27.
The flood of images taken post-perihelion show a healthy-looking comet punching through the strong twilit sky and sporting a tail about a degree long. Presently shining around magnitude +1, reports have it as a reasonably easy object to spot with the naked eye in a haze-free pre-dawn sky.

Look to the north-eastern horizon in the early hours to ...

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