Photographer Andrew McCarthy took more than 100,000 individual photos of the Sun since December 12, 2023, then used software to combine them into a single image with a resolution of 400 megapixels.
McCarthy spends about 30 minutes every day in the early afternoon photographing the sun because that's when the air currents move and create the right refractive index, improving the clarity and stability of small details when viewed through the atmosphere.
With a huge amount of data, 100,000 individual photos, McCarthy had to use computers and his own method to arrange them into 40 cells, each cell containing 2,000 to 3,000 photos.
Specifically, McCarthy uses a method called drizzling to combine the images. The software tries to identify data between pixels to simulate a higher focal length. It requires a powerful enough system to handle this, because the resolution increases dramatically if the image is of high enough quality. After the software stacks the images, McCarthy manually stitches them together into the final work.
McCarthy shared his photo of the Sun on the EasyZoom platform, where users can zoom in to see air currents and lava flows on the Sun.
To capture the images, McCarthy used a system costing tens of thousands of dollars, including an AR127 telescope, an EQ6-R Pro telescope stand, Baader D-ERF and Daystar Quark atmospheric color filters, a ZWO ADC atmospheric dispersion corrector, and a Sony ASI174M CMOS camera.
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