If you want to capture a photo of comet C/2023 A3 Tsuchinshan-ATLAS, you’ll need to act fast, as it will only be visible until the end of November 2024. The best conditions for observation are in mid-October.
How to find the comet in the sky?
About an hour after sunset, look towards the western horizon, where the Sun has set and a faint glow remains. This is the perfect time to spot the comet, which will be around 20-30 degrees above the horizon, slightly to the left of where the Sun set. You’ll have about 1.5 hours to observe it, with this window extending by 15 minutes each day. While binoculars or a telescope aren’t necessary, they can help you locate it faster and reveal more details. Simply check the local sunset time for your city, add one hour, and begin your observation.
How to photograph the comet?
Once you’ve located the comet, set your camera on a tripod, switch to manual mode, and use these settings: ISO 400 or 800, aperture at f/4.0 or f/5.6, and a shutter speed of 5 to 10 seconds. The more you zoom in, the shorter the exposure time should be to avoid star trails. Crucially, use a remote shutter (or a delay timer) to prevent camera shake. Adjust these settings to your specific conditions and good luck!
Picture number (ID): 3206
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