I’m expecting clouds \u2014 I always expect clouds \u2014 but this morning the sky is clear. Finally! Stars hang in the darkness, but the eastern horizon is beginning to glow \u2014 a soft, growing light that signals the sun’s rise. Somewhere in that narrowing window between night and day is my target: a faint, ancient visitor, visible only briefly before sunrise.<\/p>\n
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Before me is a suite of gear assembled the night before \u2014 a manual camera with a telephoto lens on a tripod, a smart telescope and, now around my neck, a pair of 10×50 binoculars. I begin to scan, using the brighter stars as guides, having memorized a star chart showing exactly where the comet is this morning. My view is framed by rooftops and chimneys. Then, just above the horizon, it appears in my field of view \u2014 a dim, diffuse smudge, almost ghostly against the brightening sky.<\/p>\n
“Got it,” I whisper, to no one but myself. I resist the temptation to say hello to the comet. After all, it’s just a big snowball.<\/p>\n
Are you ready for the arrival of Comet C\/2025 R3 (Pan-STARRS)? Hunting a dawn comet is a race against daylight \u2014 one that begins in the stillness of early morning and ends in the glow of dawn. For those willing to make the effort, the reward is a fleeting glimpse of a relic from the solar system’s edge, revealed in the quietest moments of the day.<\/p>\n
What to expect from comet Pan-STARRS<\/p>\n No one ever quite knows what a newly arrived comet will do. When the Pan-STARRS survey in Hawaii discovered it in September 2025, it was just another faint point of light. A long-period comet, it likely returns to the inner solar system<\/a> only once every 170,000 years. Like almost all comets<\/a>, it’s a one-off opportunity for anyone alive today.<\/p>\n Right now, the comet is hovering just below magnitude +6, according to the Comet Observation database<\/a>, so already technically on the edge of naked-eye visibility under very dark night skies.<\/p>\n As it approaches perihelion on April 19-20, it is expected to brighten rapidly \u2014 potentially reaching magnitude<\/a> +3 \u2014 making it a relatively easy binocular object and possibly visible to the unaided eye in excellent conditions. Even if it reaches naked-eye brightness, binoculars will give a much better view.<\/p>\n However, there’s a geometrical catch. As the comet brightens, it also moves closer to the sun<\/a> in the sky, it’s lower on the horizon, and it’s fighting against the brighter twilight. That means its peak brightness may coincide with its most difficult observing conditions.<\/p>\n What to read next<\/p>\n When and where to look for comet Pan-STARRS<\/p>\n \n On April 14, you could see C\/2025 R3 (PANSTARRS) alongside a 12% illuminated waning crescent moon \u2014 and Mercury. (Image credit: Stellarium)<\/p>\n From mid-northern latitudes, the best chance to see comet C\/2025 R3 (Pan-STARRS) will be about 90 minutes before sunrise, when it will be low in the eastern sky. What you’re looking for is subtle: a soft, diffuse coma, possibly with the beginnings of a tail. At present, the comet shows little tail in small optics, but that could change quickly as solar heating intensifies.<\/p>\n The key window is April 10-20, when the comet is brightening but not yet too deeply embedded in the sun’s glare. After perihelion, it becomes increasingly difficult \u2014 and eventually impossible \u2014 to see from the Northern Hemisphere. “If you want to catch the comet, your best chance is over the next week or so as the comet brightens, but it remains observable in a relatively dark sky,” says<\/a> Nick James, head of the comet section at the British Astronomical Association. “You will need to get up early, a couple of hours before sunrise, and have a good, low, eastern horizon.”<\/p>\n By contrast, Southern Hemisphere observers will have the advantage later in April and into May, when the comet moves away from the sun in their skies and becomes better placed after perihelion.<\/p>\n How I’m planning to see comet Pan-STARRS<\/p>\n Preparation and clear skies are everything. The night before, I’ll look at the weather forecast and use planetarium software \u2014 Stellarium, Starry Night or a stargazing app like Sky Tonight or Sky Guide \u2014 to pinpoint the comet’s exact position relative to the stars in the Great Square. As twilight takes hold, there’s no time to search blindly \u2014 you need to know exactly where to look.<\/p>\n Binoculars will be my primary tool, sweeping slowly along the horizon. A 10×50 pair strikes the right balance between field of view and light-gathering power.<\/p>\n For imaging, I’ll use a tripod-mounted camera with a 200\u2013400mm lens, experimenting with ISO 1600\u20136400 and short exposures. Shooting in RAW is essential \u2014 faint comet detail often emerges only later. I’ll have a smart telescope nearby, too, to automatically lock on to the comet and stack image after image.<\/p>\n Is imaging just as important as seeing the comet with your own eyes? Absolutely. There’s a strong possibility that the comet will look better in photographs than it does visually \u2014 especially before a tail develops in the days around perihelion.<\/p>\n Comet Pan-STARRS: key dates and highlights<\/p>\n \n Comet Pan-STARRS will appear close to the edge-on spiral galaxy NGC 7814 on April 18. (Image credit: Stellarium)<\/p>\n The best plan for observers in the Northern Hemisphere is to get up at least 90 minutes before sunrise<\/a> whenever clear weather is forecast between now and around April 19. The sooner you do that, the higher the comet will be, but the longer you wait, the brighter it may be \u2014 and the more daylight you’ll need to battle. It’s all a balance! However, a few mornings in April stand out as particularly rewarding opportunities to find Comet C\/2025 R3 (Pan-STARRS).<\/p>\n April 14: A 12%-lit waning crescent moon appears nearby, with Mercury<\/a> becoming visible before sunrise.April 18: Comet Pan-STARRS is within about 2 degrees of galaxy NGC 7814, a distant edge-on spiral. A new moon the previous day will make this date and those on either side the sweet spot.April 19: Comet Pan-STARRS exits the Great Square region, appearing about 2 degrees from bright star Algenib.Asterism of the week: Great Square of Pegasus<\/p>\n \n![\"night](\"https:\/\/www.newsbeep.com\/nz\/wp-content\/uploads\/2026\/04\/2ixvqKiFRh5ZNMp9HingZ8.jpg\")
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