An arc of a Kp4 level aurora on August 28, 2022, from home in southern Alberta (latitude 51懜 N), showing the classic oxygen greens topped by oxygen reds, but with magentas and blues at left to the northwest where sunlight might still be interacting with the auroral curtains. The Big Dipper and Arcturus are at left. Cassiopeia, Perseus, Andromeda and Pegasus are at right. Jupiter is the bright object rising at far right. This is a panorama of 5 segments, each 20 seconds at f/2.8 with the RF15-35mm lens at 15mm and Canon R5 at ISO 1600. Stitched with PTGui as Camera Raw and Photoshop refused to either stitch all segments (ACR) or provided a distorted projection (PS Photomerge). PTGui did a good job but is still inconsistent in retaining all the EXIF image data.

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TOP28950915

Source:

達志影像

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RM

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須由TPG 完整授權

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