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IoTman
@iotman
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ART, IOT and DIY
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2018-01-20 04:44
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iotman
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🌌 SpacePicture of a Day: The Double Cluster in Perseus 🪐
This stunning starfield spans about three full moons (1.5 degrees) across the heroic northern constellation of Perseus. It holds the famous pair of open star clusters, h and Chi Persei. Also cataloged
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🌌 SpacePicture of a Day: Meteor before Galaxy 🪐
What's that green streak in front of the Andromeda galaxy? A meteor. While photographing the Andromeda galaxy in 2016, near the peak of the Perseid Meteor Shower, a small pebble from deep space crossed
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🌌 SpacePicture of a Day: NGC 6072: A Complex Planetary Nebula from Webb 🪐
Why is this nebula so complex? The Webb Space Telescope has imaged a nebula in great detail that is thought to have emerged from a Sun-like star. NGC 6072 has been resolved into one of the more unusual
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🌌 SpacePicture of a Day: Milky Way and Exploding Meteor 🪐
In about a week the Perseid Meteor Shower will reach its maximum. Grains of icy rock will streak across the sky as they evaporate during entry into Earth's atmosphere. These grains were shed from Comet
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🌌 SpacePicture of a Day: Fireflies, Meteors, and Milky Way 🪐
Taken on July 29 and July 30, a registered and stacked series of exposures creates this dreamlike view of a northern summer night. Multiple firefly flashes streak across the foreground as the luminous
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🌌 SpacePicture of a Day: Small Dark Nebula 🪐
A small, dark, nebula looks isolated near the center of this telescopic close-up. The wedge-shaped cosmic cloudlet lies within a relatively crowded region of space though. About 7,000 light-years distant
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🌌 SpacePicture of a Day: Supernova 2025rbs in NGC 7331 🪐
A long time ago in a galaxy 50 million light-years away, a star exploded. Light from that supernova was first detected by telescopes on planet Earth on July 14th though, and the extragalactic transient
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🌌 SpacePicture of a Day: Coronal Loops on the Sun 🪐
Our Sun frequently erupts in loops. Hot solar plasma jumps off the Sun's surface into prominences, with the most common type of prominence being a simple loop. The loop shape originates from the Sun's
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🌌 SpacePicture of a Day: A Helix Nebula Deep Field 🪐
Is the Helix Nebula looking at you? No, not in any biological sense, but it does look quite like an eye. The Helix Nebula is so named because it also appears that you are looking down the axis of a helix.
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🌌 SpacePicture of a Day: Globular Cluster Omega Centauri 🪐
Globular star cluster Omega Centauri packs about 10 million stars much older than the Sun into a volume some 150 light-years in diameter. Also known as NGC 5139, at a distance of 15,000 light-years it's
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🌌 SpacePicture of a Day: Twelve Years of Kappa Cygnids 🪐
Meteors from the Kappa Cygnid meteor shower are captured in this time-lapse composite skyscape. The minor meteor shower, with a radiant not far from its eponymous star Kappa Cygni, peaks in mid-August,
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🌌 SpacePicture of a Day: Titan Shadow Transit 🪐
very 15 years or so, Saturn's rings are tilted edge-on to our line of sight. As the bright, beautiful ring system grows narrower and fainter it becomes increasingly difficult to see for denizens of planet
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🌌 SpacePicture of a Day: A Double Detonation Supernova 🪐
Can some supernovas explode twice? Yes, when the first explosion acts like a detonator for the second. This is a leading hypothesis for the cause of supernova remnant (SNR) 0509-67.5. In this two-star
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🌌 SpacePicture of a Day: Cat's Paw Nebula from Webb Space Telescope 🪐
Nebulas are perhaps as famous for being identified with familiar shapes as perhaps cats are for getting into trouble. Still, no known cat could have created the vast Cat's Paw Nebula visible toward the
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🌌 SpacePicture of a Day: Lunar Nearside 🪐
About 1,300 images from the Lunar Reconnaissance Orbiter spacecraft's wide angle camera were used to compose this spectacular view of a familiar face - the lunar nearside. But why is there a lunar nearside?
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🌌 SpacePicture of a Day: ISS Meets Saturn 🪐
This month, bright planet Saturn rises in evening skies, its rings oriented nearly edge-on when viewed from planet Earth. And in the early morning hours on July 6, it posed very briefly with the International
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🌌 SpacePicture of a Day: 3I/ATLAS 🪐
Discovered on July 1 with the NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert, System) survey telescope in Rio Hurtado, Chile, 3I/ATLAS is so designated as the third known interstellar object
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🌌 SpacePicture of a Day: The Rosette Nebula from DECam 🪐
Would the Rosette Nebula by any other name look as sweet? The bland New General Catalog designation of NGC 2237 doesn't appear to diminish the appearance of this flowery emission nebula, as captured by
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🌌 SpacePicture of a Day: NGC 2685: The Helix Galaxy 🪐
What is going on with this galaxy? NGC 2685 is a confirmed polar ring galaxy - a rare type of galaxy with stars, gas and dust orbiting in rings perpendicular to the plane of a flat galactic disk. The bizarre
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🌌 SpacePicture of a Day: Planetary Nebula Mz3: The Ant Nebula 🪐
Why isn't this ant a big sphere? Planetary nebula Mz3 is being cast off by a star similar to our Sun that is, surely, round. Why then would the gas that is streaming away create an ant-shaped nebula that
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