NASA shares skywatching tips on how to photograph Comet NEOWISE

Comet C/2020 F3 (NEOWISE) will appear above rthwestern horizon in night sky and people can see it with ir naked eyes. But those living in brightly-lit cities may have to use biculars to see it as y would t want to miss opportunity because comet will t return to Earth's skies for about 6,800 years. comet is visible right w as an evening object, but its closest approach to Earth will be on July 22, at a distance of about 64 million miles (103 million kilometers).

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Bill Dunford, a social media specialist at NASA's Jet Propulsion Laboratory (JPL) and an amateur astrophotographer recently shared tips on how to capture comet in night sky as it is difficult to take pictures of dark sky. Bill shared his experience, as he said that one should mount camera on a tripod and click pictures in manual mode so that shutter remains open for several seconds, 4 seconds to be precise. When shutter remains open for that long, it lets a lot of light come in and does trick of capturing a comet in night sky. picture should be taken far away from light pollution, meaning away from city lights. Wide-angle lens is also advised as a zoom lens would t be able to capture tail of comet which can take up wide eugh area. 

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Unpredictability of comet 

Comets are toriously unpredictable, so it's impossible to kw if this one will remain so easy to spot, but if it does, it should become easier for more people to observe as July goes on. "From mid-July on, it's best viewed as an evening object, rising increasingly higher above rthwestern horizon. (te that observers at lower latitudes will see comet lower in sky, while it will appear higher for observers farr rth)," said NASA. 

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comet, named after NASA's Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE) survived its recent closest approach to Sun and is w headed back toward outer solar system, where it travels to farst distance of 715 astromical units, or AU, from Sun. (For comparison, Earth orbits at 1 AU, Jupiter at 5 AU, and Neptune at 30 AU). comet will return to Earth after making one lap around its long, stretched out orbit, which takes thousands of years.   

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(Im Credit: NASA)