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IoTman

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2018-01-20 04:44

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iotman

2026-08-22 18:05

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🌌 SpacePicture of a Day: Mostly Perseids 🪐

🌌 SpacePicture of a Day: Mostly Perseids 🪐

Recorded the night of August 12-13, images from four dedicated meteor-monitoring cameras at an astronomical observatory in Czechia were aligned and combined to create this all-night, all-sky view. On that

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iotman

2026-08-20 18:05

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🌌 SpacePicture of a Day: The Elephant's Trunk in Cepheus 🪐

🌌 SpacePicture of a Day: The Elephant's Trunk in Cepheus 🪐

Like an illustration in a galactic Just So Story, the Elephant's Trunk Nebula winds through the emission region and young star cluster complex IC 1396, in the high and far off constellation of Cepheus.

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iotman

2026-08-18 18:05

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🌌 SpacePicture of a Day: Perseids from Perseus 🪐

🌌 SpacePicture of a Day: Perseids from Perseus 🪐

This was a good year for the Perseids meteor shower. A key reason was the Moon was absent from lighting up Earth's night sky so that more meteors were visible than usual. Where was the Moon? It was busy

iotman

2026-08-17 18:05

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🌌 SpacePicture of a Day: A Golden Corona Eclipse 🪐

🌌 SpacePicture of a Day: A Golden Corona Eclipse 🪐

This total solar eclipse appeared not only poetically beautiful but scientifically interesting. Usually the solar corona appears white, and to some observers the corona of last week's total solar eclipse

iotman

2026-08-16 18:05

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🌌 SpacePicture of a Day: Milky Way over Yellowstone 🪐

🌌 SpacePicture of a Day: Milky Way over Yellowstone 🪐

The Milky Way was not created by an evaporating lake. The colorful pool of water, about 10 meters across, is known as Silex Spring and is located in Yellowstone National Park in Wyoming, USA. Illuminated

iotman

2026-08-15 18:05

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🌌 SpacePicture of a Day: Bright Perseids from Sweden 🪐

🌌 SpacePicture of a Day: Bright Perseids from Sweden 🪐

Known for its bright and fast meteors, the annual Perseid Meteor Shower comes to planet Earth's skies from a radiant in the heroic constellation Perseus. The popular northern summer celestial spectacle

iotman

2026-08-14 18:06

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🌌 SpacePicture of a Day: Total Solar Eclipse from Greenland 🪐

🌌 SpacePicture of a Day: Total Solar Eclipse from Greenland 🪐

On August 12, the Moon's shadow reached out to touch our fair planet. Beginning in the Arctic Ocean, it swept along a narrow track that led the dark lunar umbra across parts of Greenland, Iceland, the

iotman

2026-08-13 18:05

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🌌 SpacePicture of a Day: Total Solar Eclipse Over Spain 🪐

🌌 SpacePicture of a Day: Total Solar Eclipse Over Spain 🪐

On August 12th, 2026, the Moon totally eclipsed the Sun and cast its shadow across Siberia, Greenland, Iceland, Spain, and Portugal. Today’s image features two total solar eclipses viewed from Zaragoza,

iotman

2026-08-12 18:05

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🌌 SpacePicture of a Day: Perseids Over a little Planet 🪐

🌌 SpacePicture of a Day: Perseids Over a little Planet 🪐

It looks like a view from the Little Prince's planet. The featured image is a throwback to the 2024 Perseid meteor shower, surrounded in this projection by the Bieszczady Mountains in Poland. Visible in

iotman

2026-08-11 18:05

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🌌 SpacePicture of a Day: Six Moons of Saturn 🪐

🌌 SpacePicture of a Day: Six Moons of Saturn 🪐

How many moons does Saturn have? While the total will likely continue to grow, as of June 2026 the ringed gas giant had 293 confirmed moons. That's easily more than any other planet of the Solar System,

iotman

2026-08-10 18:05

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🌌 SpacePicture of a Day: Three Galaxy Pairs 🪐

🌌 SpacePicture of a Day: Three Galaxy Pairs 🪐

ch of these pairs of galaxies is different. The two galaxies at the top are likely not interacting, at least presently. However, the top galaxy with the blue stripe, NGC 4650A, is a polar ring galaxy and

iotman

2026-08-09 18:05

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🌌 SpacePicture of a Day: Contemplating the Sun 🪐

🌌 SpacePicture of a Day: Contemplating the Sun 🪐

Have you contemplated your home star recently? Featured here, a Sun partially eclipsed on the top left by the Moon is also seen eclipsed by earthlings contemplating the eclipse below. This spectacular

iotman

2026-08-08 18:05

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🌌 SpacePicture of a Day: A Messier Moment for Tempel 2 🪐

🌌 SpacePicture of a Day: A Messier Moment for Tempel 2 🪐

Which of these is not a comet? You guessed it - the one on the right is a globular star cluster. The diffuse greenish coma of periodic comet 10P/Tempel 2 is at left in the frame. In fact the globular star

iotman

2026-08-06 18:05

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🌌 SpacePicture of a Day: New Sharpest Image of the Sun Uncovers Instability 🪐

🌌 SpacePicture of a Day: New Sharpest Image of the Sun Uncovers Instability 🪐

What does the new sharpest image of our Sun show? Instability. To be clear, a certain kind of interactive process called the Kelvin-Helmholtz instability (KHI). This instability can create waves and swirls

iotman

2026-08-05 18:05

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🌌 SpacePicture of a Day: Spokes on Saturn's B Ring 🪐

🌌 SpacePicture of a Day: Spokes on Saturn's B Ring 🪐

Don’t get spooked by Saturn’s ghostly spokes! Today we feature a nearly two-hour timelapse of Saturn and its rings looping forwards and backwards. A day on Saturn is only 10 hours long, so two hours of

iotman

2026-08-03 18:05

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🌌 SpacePicture of a Day: Vaporizing Meteor Photobombs the Lacerta Nebula 🪐

🌌 SpacePicture of a Day: Vaporizing Meteor Photobombs the Lacerta Nebula 🪐

What's happening to this meteor? This bright meteor streak appeared and disappeared quickly during a long exposure of the Great Lacerta Nebula, seen faintly in red toward the center of the image. The

iotman

2026-08-02 18:05

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🌌 SpacePicture of a Day: A Fire Rainbow over West Virginia 🪐

🌌 SpacePicture of a Day: A Fire Rainbow over West Virginia 🪐

What's happening to this cloud? Ice crystals in a distant cirrus cloud are acting like little floating prisms. Known informally as a fire rainbow for its flame-like appearance, a circumhorizon arc appears

iotman

2026-08-01 18:05

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🌌 SpacePicture of a Day: Buck Moon and Belt of Venus 🪐

🌌 SpacePicture of a Day: Buck Moon and Belt of Venus 🪐

The Buck Moon is a traditional name for the full moon of July. In this colorful Adriatic sea and skyscape captured on July 28 from Krk Island along the coast of Croatia, a full Buck Moon is just rising

iotman

2026-07-31 18:05

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🌌 SpacePicture of a Day: NGC 4372 and the Dark Doodad 🪐

🌌 SpacePicture of a Day: NGC 4372 and the Dark Doodad 🪐

The Dark Doodad Nebula drifts through southern skies, a tantalizing target for binoculars toward the small constellation Musca, The Fly. A dusty interstellar cloud, it's seen against rich starfields just

iotman

2026-07-30 18:05

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🌌 SpacePicture of a Day: Red Sun through Wildfire Smoke 🪐

🌌 SpacePicture of a Day: Red Sun through Wildfire Smoke 🪐

This could be the view from an exoplanet orbiting around a red dwarf star, but it is our own Sun. This image was taken on July 22, 2026, in the Okanagan region in the Canadian province of British Columbia.