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While all eyes have been on the famous green comet, formally named C/2022 E3 (ZTF), another comet has been zooming past our planet.
The comet C/2022 A2 (Pan-STARRS) made its closest approach to Earth on Jan. 17, and it’s about to hit perihelion, or the closest point to the sun in its orbit, on Sunday, Feb. 18. Unfortunately, this comet will likely only be visible for skywatchers with a large telescope.
From Earth, the comet will be visible at perihelion. According to skywatching site In-the-Sky.org (opens in new tab), viewers in New York City will be able to see the comet at dusk on Sunday and dawn on Monday morning for two brief windows. C/2022 A2 (Pan-STARRS) will first rise above the horizon in the northwestern skies near the Cygnus constellation around 6:36 p.m. EST (2336 GMT). The comet will become difficult to spot by 7:06 p.m. EST (0006 GMT the morning of Feb. 19) as it sinks to just 20 degrees above the horizon. It will, however, make another appearance in the morning of Feb. 19 — from New York, that will happen around 4:17 a.m. EST (0917 GMT) before disappearing at daybreak around 5:39 a.m. EST (1039 GMT).
Related: Comets: Everything you need to know about the ‘dirty snowballs’ of space
Read more: How to view and photograph comets
C/2022 A2 (Pan-STARRS) was first discovered in January 2022 by the Pan-STARRS research project, which primarily uses telescopes atop Haleakala, the highest volcano on the Hawaiian island of Maui. The telescopes methodically scan the night sky looking for Near-Earth Objects (NEOs), from comets to asteroids, that might be hazardous to Earth.
Fortunately, most of its discoveries are not headed straight for us. C/2022 A2 (Pan-STARRS), for instance, was about 150 million miles (about 240 million kilometers) away from us at its closest approach to Earth.
On the other hand, the Earth is constantly being bombarded by (typically small) space rocks — a three-foot-long (one-meter-long) asteroid just put on a dazzling light show for viewers in France and the United Kingdom as it burnt up in our atmosphere
If you’re hoping to catch C/2022 A2 (ZTF) as it approaches the sun, our guides for the best telescopes and best binoculars can steer you in the right direction for gear. And if you’d like to take photos of the event, read our guide sharing how to view and photograph comets, then check out our picks for the best cameras for astrophotography and best lenses for astrophotography.
Editor’s Note: If you get a photograph of C/2022 A2 (Pan-STARRS) during its visit to the inner solar system and would like to share it with Space.com’s readers, send your photo(s), comments, and your name and location to [email protected].
Follow Stefanie Waldek on Twitter @StefanieWaldek (opens in new tab). Follow us on Twitter @Spacedotcom (opens in new tab) and on Facebook (opens in new tab).
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