1/31/2024 0 Comments Best time lapse assembler for macWarning! This is a long and technical blog, but for those interested in picking the best software, I think you’ll find it the most comprehensive test of programs for processing nightscapes. I test nine programs for processing raw files for the demands of nightscape astrophotography. I edited them together here in a music video. I shot with three cameras, taking stills, time-lapses, and real-time movies. The Big Dipper is at top.Ī single 3.2-second exposure with the Canon R5 at ISO 800 and Laowa 15mm lens at f/2. Rays and curtains converge at the magnetic zenith to form a “corona.” The aurora of April 23, 2023, looking straight up to the zenith to capture the converging curtains in a coronal display. The view looking straight up is always the most jaw-dropping when an aurora fills the sky. This is a single 1.6-second exposure with the Canon Ra at ISO 5000 and 11mm TTArtisan full-frame fish-eye lens at f/2.8. Taken from home in southern Alberta, Canada. A view of the great April aurora show of April 23, 2023, looking to the south, with diffuse curtains across the sky forming a dark gap at the zenith. This is a single 10-second exposure with the Canon Ra at ISO 1600 and 11mm TTArtisan full-frame fish-eye lens at f/2.8. A view of the great April aurora show of April 23, 2023, looking up to the zenith near the top, with a set of finely-structured parallel ribbons of aurora crossing the sky from east (left) to west (right). This is looking south.Ī single 5-second exposure with the TTArtisan 7.5mm circular fish-eye lens at f/2 and Canon R6 at ISO 1600. A fish-eye 360° view of the Great April Aurora of April 23, 2023, from home in southern Alberta, Canada. But this was the first time I can recall seeing pulsating ribbons.Īt times, there was a dark ribbon across the sky, as the aurora formed a gap in its curtains, looking like a “dark aurora.” A fish-eye 360° view of the Great April Aurora of April 23, 2023, from home in southern Alberta, Canada. Seeing patches of aurora pulse off and on and flaming up to the zenith is not uncommon toward the end of a substorm outburst. The aurora moved south to occupy just the southern half of the sky, but with incredible ribbons crossing from east to west, rippling and pulsating off and on. This is looking north.Ī single 5-second exposure with the TTArtisan 7.5mm circular fish-eye lens at f/2 and Canon R6 at ISO 3200. Sure enough, as it got dark that night, and from my location after the clouds cleared, an aurora was underway covering much of the sky. The strength of the interplanetary field (Bt) was high and the direction of the field (Bz) was well south, all welcome indicators of a superb show. This was the auroral oval, lit up red, as the display was underway at my location in Alberta, Canada. When we see this on our phone apps, we know we’ll get a great show. This is what we want to see in our aurora apps! Code Red and a vast auroral oval. And as the sky darkened that night locations all across the Northern and Southern Hemispheres were treated to a great sky show. On April 23 warnings went out alerting aurora watchers that a solar storm was imminent. On Apthe sky erupted with a massive solar storm, bringing the aurora to millions of people around the word.
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