Amazing Sky Videos

I present a short vignette time-lapse of Comet 46P/Wirtanen moving through the stars near the Pleiades star cluster. This is in 4K resolution.

I shot this December 17, 2018, over about 4.5 hours in the evening, until clouds rolled in at 10:30 pm MST or so.

The waxing gibbous Moon lit the sky a deep blue, though there was still enough contrast to show that the comet was passing in front of a rather starless dark nebula in Taurus this night.

The comet was closest to Earth, at 11 million km away, the night before, December 16, in an unusually close approach for any comet. And it was almost opposite the Sun in the sky. This placed the comet in the sky all night and high in the south at midnight, and moving very fast against the background stars. This was a rare combination of orbital circumstances, making it possible to shoot a time-lapse showing significant motion in only a few hours, and with only a 200mm telephoto lens, used here.

Had I shot through a telescope at a larger image scale, I would have ended up with much more dramatic motion, but would have missed the opportunity to also include the photogenic Pleiades star cluster at lower right.

The comet was closer to the cluster the previous night, but alas ... clouds prevented a shoot that night. As it is, I was able to shoot for less than half the night here until clouds came in yet again.

MUSIC:
Inspiring Innovation by Adi Goldstein, used by kind permission (AGSoundtrax.com)

TECH DATA:
Each exposure was 30 seconds at f/2.8 and at ISO 1000 with a Canon 6D MkII and Canon L-Series 200mm lens, tracking (but not guided) on an Astro-Physics Mach One mount. Processing was in Adobe Camera Raw, and movie assembly was with TLDF (TimeLapseDeFlicker).

Thanks!

— Alan Dyer / AmazingSky.com

# vimeo.com/307181624 Uploaded 612 Views 3 Comments

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A collection of videos of astronomical time-lapse movies and still images by Alan Dyer. Check out my ebook on "How to Photograph & Process Nightscapes and Time-Lapses" at amazingsky.com/nightscapesbook.html. Please drop by my blog at amazingsky.net…


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A collection of videos of astronomical time-lapse movies and still images by Alan Dyer. Check out my ebook on "How to Photograph & Process Nightscapes and Time-Lapses" at amazingsky.com/nightscapesbook.html. Please drop by my blog at amazingsky.net for more images and stories. My main searchable galleries of still images are at amazingsky.photoshelter.com. Thanks for looking!

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