![]() Each frame was a stacking of 5-exposures captured on a Huawei P40 Pro. To take things a step further, you can stack multiple images for each frame of the panorama and end up with a high-resolution image with even less noise. It results in an image with higher resolution that appears to have less noise as the grain becomes smaller relative to the overall size of the image. Panoramasĭoing panoramas is a great simple technique to improve your astrophotographs. 470 exposures (15secs, ISO6400) collected over 3 nights. The examples below are a testament to the results you can achieve with this method. Most smartphones come with a “Pro Mode” in the camera app that allows you to capture RAW files, so all you need to do is capture multiple images, the more the better, and stack them yourself. For Windows users the best option is Sequator and for Mac users the best option is Starry Landscape Stacker. Unfortunately, no other smartphone offers automatic stacking but there are apps that allow you to do the stacking process yourself. All you have to do is put the smartphone on a tripod, press the shutter button and wait. Whilst it doesn’t offer much creative control, it’s certainly a really accessible way for beginners to try astrophotography. ![]() What’s more impressive is that in order to do the stacking process the software is stacking the foreground first, separating the sky and aligning the stars in each frame before stacking those and blending the result back onto the foreground. The resulting image is a pretty clean, decent-looking astrophotograph. The final edit of the image is then applied by AI which Google has trained by making it assess thousands of astrophotographs captured by professional cameras. As the noise is random in each exposure, creating an average will remove the noise, and the scene that remains constant throughout shines through. The smartphone then captures multiple 15-second exposures and stacks them to create an average, which removes a lot of the noise. At maximum, it will be 4-minutes long, but maybe shorter if you’re not in such a dark environment. There are no options for manual control, you just press the shutter button and then a timer starts. You first have to go into Night Sight mode and then your smartphone has to be on a tripod, or by some other means perfectly still, and then it will automatically suggest that you try astrophotography mode. Let’s first take a look at the Google Pixel line which has a built-in astrophotography mode. The open star cluster Pleiades (M45) above the Brecon Beacons, Wales.
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