APOD: 2026 September 29 – Sh2-188: The Shrimp Nebula

By NASA | Created at 2026-09-29 05:59:31 | Updated at 2026-09-29 07:47:26 3 hours ago

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A starfield has a bright pink swirling nebula  in it. The top part of the nebula shows much detail, while the bottom part is mostly open.

Explanation: What causes the swirl in the Shrimp Nebula? Its high speed is likely. What is sure is that Sh2-188 is one of the larger planetary nebulas on the night sky, by angular size, spanning about half the diameter of the Moon. Moreover, the white-dwarf core -- leftover from the Sun-like star that shed its outer atmosphere -- is moving unusually fast through interstellar space, creating a bow shock most visible on the upper left that is similar to a boat plowing through water. Although faint, the Shrimp Nebula glows also by compressing and brightening gas on its leading edge. The featured image was taken in the light of hydrogen, sulfur, and oxygen by a backyard telescope in Krakow, Poland and then digitally adjusted to approximate the nebula's true colors.

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Date Credit & Copyright Authors & editors: A service of:
September 29, 2026
Pawel Piechnik
Robert Nemiroff, Jerry Bonnell, Cecilia Chirenti, Keighley Rockcliffe
ASD at NASA / GSFC,
NASA Science Activation & Michigan Tech. U.
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