TechLife Australia

HOW TO TAKE IMAGES OF THE NIGHT SKY WITH YOUR PHONE

FROM STAR TRAILS TO MOON CLOSE-UPS, SMARTPHONE ASTROPHOTO­GRAPHY IS GETTING EASIER. ON YOUR COMPUTER, ON AN EXTERNAL HARD DRIVE OR THE CLOUD.

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Smartphone astrophoto­graphy is not going to match those images from the Hubble Space Telescope, or from a DSLR camera attached to a telescope on an equatorial mount, which follows stars as they appear to move. However, what you can capture with your phone — from close-ups of planets and the craters and mountain range of the Moon to timelapses and star-trails — will astound you. Here are a few tips to get you started.

Get out of the city: Ambient light will affect what you can see in the night sky. So head into the bush and you’ll likely see more stars, meteors and a brighter Moon.

Use a tripod: This is an essential element in low-light photograph­y. Given you will need higher shutter speeds, this will reduce camera shake and eliminate blurry images.

Find the best app: Shutter speed isn’t something you can control on a camera phone, so you’ll need to get a third-party app to simulate the effect. There are many options for both iOS and Android, like NightCap Camera ( www.nightcapca­mera.com) for the former and Camera FV-5 ( www.camerafv5.com) for Android.

Steer clear of flash: You don’t need to use the flash just because it’s dark. The lower shutter speed will allow enough light to enter the lens so you get stark silhouette­s against any natural lighting in the sky, or allow city lighting to shine through well against twilight. In fact, a flash will just drown out the scene and you’ll end up with no discernibl­e subjects in your photo.

Avoid using digital zoom: Trying to zoom into a subject at night will seem fine on the screen of your phone, but the resulting image, however, will end up looking extremely noisy and grainy.

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