An island universe containing billions of stars and situated about 40 million light-years away toward the constellation of the Dolphinfish (Dorado), NGC 1566 presents a gorgeous face-on view. Classified as a grand design spiral, NGC 1566 shows two prominent and graceful spiral arms that are traced by bright blue star clusters, red emission nebulas, and dark cosmic dust lanes.
Image Credit: ESA/Hubble & NASA, D. Calzetti & the LEGUS Team, R. Chandar
This image, “Toolondo Totality Trails” by Jason Perry, shows stacked exposures of star trails above Lake Toolondo in Victoria, Australia. The photos were taken during the March 3 lunar eclipse, specifically during the hour-long phase of totality. During this time, faint star trails and the path of the reddened Moon are clearly visible in the darkened sky above the lake and trees. The trails appear because of the Earth’s rotation, which causes the Moon and stars to move across the sky. As the eclipse ended, a separate telephoto image of the fully eclipsed Moon was blended into the scene. The final composite creates a dramatic night skyscape highlighting the motion of celestial objects.
The Exposed Cranium Nebula (PMR 1) is a nebula that resembles the shape of a human brain, observed by the James Webb Space Telescope. Scientists are uncertain about its origin, but one theory suggests it is a planetary nebula formed when a Sun-like star ran out of fuel, expelled its outer layers, and left behind a white dwarf. Another possibility is that the central star is a massive Wolf–Rayet star producing strong stellar winds that push out gas and dust. The nebula has a thin outer shell and a dark central division, adding to its unusual appearance. Future observations may determine whether this system will slowly fade away or eventually explode as a supernova. 🌟
An unusually active sunspot region, AR 4366, is currently crossing the Sun. Much larger than Earth, it has produced several powerful solar flares in the past ten days and may be the most active region of the current 11-year solar cycle. The dark sunspots are visible in an image taken over a hill in Zacatecas, Mexico, five days ago. As the region moves toward the Sun’s edge, it will soon rotate out of view, though it could reappear in about two weeks if it remains intact. Active regions like AR 4366 are often linked to increased auroral activity on Earth.
NGC 1275 (Perseus A) is the central, dominant galaxy of the nearby Perseus Cluster of Galaxies. It is highly active, emitting strongly in visible light, X-rays, and radio wavelengths. The galaxy accretes matter as entire galaxies fall into it, feeding a supermassive black hole at its core. Narrowband imaging reveals debris and glowing gas filaments up to 20,000 light-years long. Despite violent galactic collisions, these filaments persist, likely held together by magnetic fields driven by black-hole activity. NGC 1275 spans over 100,000 light-years and lies about 230 million light-years from Earth.
Galle Crater on Mars appears like a smiling, winking face due to natural markings formed by a city-sized asteroid impact billions of years ago. First observed by the Viking Orbiter in the 1970s, it was later imaged in detail by the Mars Global Surveyor, which orbited Mars from 1996 to 2006.
Abell 7, a faint planetary nebula 1,800 light-years away near Lepus, spans 8 light-years. This deep image reveals its spherical shape and intricate internal structures, enhanced by long exposures and narrowband filters capturing hydrogen and oxygen emissions. About 20,000 years old, its central white dwarf is roughly 10 billion years old—offering a glimpse of the Sun’s distant fate.
NGC 1365 is a huge barred spiral galaxy in Fornax, about 56 million light-years away and roughly twice the size of the Milky Way. A new James Webb (MIRI) infrared image shows its core, dusty spiral arms, and bright newborn star clusters in striking detail. The bar appears to drive gas and dust inward, fueling intense star formation and possibly feeding its central supermassive black hole.
Image Credit: NASA, ESA, CSA, Janice Lee (NOIRLab) - Processing: Alyssa Pagan (STScI)
CTB 1 is a faint supernova remnant in Cassiopeia formed ~10,000 years ago. Its glowing gas shell—nicknamed the Medulla Nebula—comes from the star’s explosion and shock-heated interstellar gas. Its X-ray glow is still debated, possibly powered by a fast-moving pulsar ejected from the blast. Despite appearing Moon-sized, it’s extremely faint and required 84 hours of exposure to image.
New Horizons
NGC 1566: The Spanish Dancer Galaxy
An island universe containing billions of stars and situated about 40 million light-years away toward the constellation of the Dolphinfish (Dorado), NGC 1566 presents a gorgeous face-on view. Classified as a grand design spiral, NGC 1566 shows two prominent and graceful spiral arms that are traced by bright blue star clusters, red emission nebulas, and dark cosmic dust lanes.
Image Credit: ESA/Hubble & NASA, D. Calzetti & the LEGUS Team, R. Chandar
5 hours ago | [YT] | 2
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New Horizons
This image, “Toolondo Totality Trails” by Jason Perry, shows stacked exposures of star trails above Lake Toolondo in Victoria, Australia. The photos were taken during the March 3 lunar eclipse, specifically during the hour-long phase of totality. During this time, faint star trails and the path of the reddened Moon are clearly visible in the darkened sky above the lake and trees. The trails appear because of the Earth’s rotation, which causes the Moon and stars to move across the sky. As the eclipse ended, a separate telephoto image of the fully eclipsed Moon was blended into the scene. The final composite creates a dramatic night skyscape highlighting the motion of celestial objects.
#astrophotography
3 days ago | [YT] | 1
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New Horizons
The Exposed Cranium Nebula (PMR 1) is a nebula that resembles the shape of a human brain, observed by the James Webb Space Telescope. Scientists are uncertain about its origin, but one theory suggests it is a planetary nebula formed when a Sun-like star ran out of fuel, expelled its outer layers, and left behind a white dwarf. Another possibility is that the central star is a massive Wolf–Rayet star producing strong stellar winds that push out gas and dust. The nebula has a thin outer shell and a dark central division, adding to its unusual appearance. Future observations may determine whether this system will slowly fade away or eventually explode as a supernova. 🌟
6 days ago | [YT] | 3
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New Horizons
An unusually active sunspot region, AR 4366, is currently crossing the Sun. Much larger than Earth, it has produced several powerful solar flares in the past ten days and may be the most active region of the current 11-year solar cycle. The dark sunspots are visible in an image taken over a hill in Zacatecas, Mexico, five days ago. As the region moves toward the Sun’s edge, it will soon rotate out of view, though it could reappear in about two weeks if it remains intact. Active regions like AR 4366 are often linked to increased auroral activity on Earth.
4 weeks ago | [YT] | 2
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New Horizons
NGC 1275 (Perseus A) is the central, dominant galaxy of the nearby Perseus Cluster of Galaxies.
It is highly active, emitting strongly in visible light, X-rays, and radio wavelengths.
The galaxy accretes matter as entire galaxies fall into it, feeding a supermassive black hole at its core.
Narrowband imaging reveals debris and glowing gas filaments up to 20,000 light-years long.
Despite violent galactic collisions, these filaments persist, likely held together by magnetic fields driven by black-hole activity.
NGC 1275 spans over 100,000 light-years and lies about 230 million light-years from Earth.
4 weeks ago | [YT] | 3
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New Horizons
Galle Crater on Mars appears like a smiling, winking face due to natural markings formed by a city-sized asteroid impact billions of years ago. First observed by the Viking Orbiter in the 1970s, it was later imaged in detail by the Mars Global Surveyor, which orbited Mars from 1996 to 2006.
4 weeks ago | [YT] | 6
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New Horizons
Orion clouds over Icy landscapes of Poland
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New Horizons
Planetary Nebula Abell 7
Abell 7, a faint planetary nebula 1,800 light-years away near Lepus, spans 8 light-years. This deep image reveals its spherical shape and intricate internal structures, enhanced by long exposures and narrowband filters capturing hydrogen and oxygen emissions. About 20,000 years old, its central white dwarf is roughly 10 billion years old—offering a glimpse of the Sun’s distant fate.
Image Credit & Copyright: Martin Pugh
4 weeks ago | [YT] | 3
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New Horizons
Barred Spiral Galaxy NGC 1365 from Webb
NGC 1365 is a huge barred spiral galaxy in Fornax, about 56 million light-years away and roughly twice the size of the Milky Way. A new James Webb (MIRI) infrared image shows its core, dusty spiral arms, and bright newborn star clusters in striking detail. The bar appears to drive gas and dust inward, fueling intense star formation and possibly feeding its central supermassive black hole.
Image Credit: NASA, ESA, CSA, Janice Lee (NOIRLab) - Processing: Alyssa Pagan (STScI)
4 weeks ago | [YT] | 4
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New Horizons
CTB 1: The Medulla Nebula
CTB 1 is a faint supernova remnant in Cassiopeia formed ~10,000 years ago. Its glowing gas shell—nicknamed the Medulla Nebula—comes from the star’s explosion and shock-heated interstellar gas. Its X-ray glow is still debated, possibly powered by a fast-moving pulsar ejected from the blast. Despite appearing Moon-sized, it’s extremely faint and required 84 hours of exposure to image.
Image Credit: Pierre Konzelmann
4 weeks ago | [YT] | 4
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