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IoTman

@iotman

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2018-01-20 04:44

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iotman

2026-06-27 18:05

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🌌 SpacePicture of a Day: Mars Marathon by Perseverance 🪐

🌌 SpacePicture of a Day: Mars Marathon by Perseverance 🪐

In this recent HiRISE view from the Mars Reconnaissance Orbiter, the little green dot indicated on the surface of the big Red Planet is the Perseverance Mars rover. Recorded on June 13, the car-sized,

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iotman

2026-06-25 18:05

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🌌 SpacePicture of a Day: Anticrepuscular Rays over Sicily 🪐

🌌 SpacePicture of a Day: Anticrepuscular Rays over Sicily 🪐

The Sun has just set... in the opposite side of the sky. Pictured here are anticrepuscular rays apparently converging in the east in this image of the limestone plateau in the heart of the Hyblaean Mountains

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iotman

2026-06-01 18:05

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🌌 SpacePicture of a Day: Saturn at Night 🪐

🌌 SpacePicture of a Day: Saturn at Night 🪐

Telescopic views of Saturn and its beautiful rings often make it the star of star parties. But this stunning view of the outer gas gaint planet's rings and night side just isn't possible from telescopes

iotman

2026-05-31 18:05

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🌌 SpacePicture of a Day: Eagle Nebula Pillars in Infrared from Hubble 🪐

🌌 SpacePicture of a Day: Eagle Nebula Pillars in Infrared from Hubble 🪐

Newborn stars are forming in the Eagle Nebula. They are gravitationally contracting in pillars of dense gas and dust. The intense radiation of these newly-formed bright stars is causing surrounding material

iotman

2026-05-30 18:05

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🌌 SpacePicture of a Day: Supermoon Versus Micromoon 🪐

🌌 SpacePicture of a Day: Supermoon Versus Micromoon 🪐

What is so micro about tonight's blue micromoon? Just after sunset, a full moon will appear slightly smaller and dimmer than usual. The reason is that the Moon's fully illuminated phase occurs within a

iotman

2026-05-29 18:05

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🌌 SpacePicture of a Day: Messier 104 🪐

🌌 SpacePicture of a Day: Messier 104 🪐

A gorgeous spiral galaxy, Messier 104 is famous for its nearly edge-on profile featuring a broad ring of obscuring dust lanes. Seen in silhouette against an extensive central bulge of stars, the swath

iotman

2026-05-28 18:05

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🌌 SpacePicture of a Day: NGC 1514: The Crystal Ball Nebula 🪐

🌌 SpacePicture of a Day: NGC 1514: The Crystal Ball Nebula 🪐

What do you see in this crystal ball? The featured image shows NGC 1514, known as the Crystal Ball Nebula, observed by the Gemini North telescope on Maunakea, in Hawai'i. NGC 1514 is 1,500 light-years

iotman

2026-05-26 18:05

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🌌 SpacePicture of a Day: NGC 3660 and Burçin's Galaxy 🪐

🌌 SpacePicture of a Day: NGC 3660 and Burçin's Galaxy 🪐

The upper galaxy might be more photogenic, but the lower galaxy is more unusual. The galaxy up top is NGC 3660, a spiral galaxy similar to our own Milky Way galaxy in that it has several bright blue spiral

iotman

2026-05-25 18:05

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🌌 SpacePicture of a Day: Thackeray's Globules 🪐

🌌 SpacePicture of a Day: Thackeray's Globules 🪐

What are these strange space globs? Situated in rich star fields and glowing hydrogen gas, these opaque clouds of interstellar dust and gas are so large they might be able to form stars. Their home is

iotman

2026-05-23 18:05

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🌌 SpacePicture of a Day: Messier 2 🪐

🌌 SpacePicture of a Day: Messier 2 🪐

After the Crab Nebula, this giant star cluster is the second entry in 18th century astronomer Charles Messier's famous list of things that are not comets. M2 is one of the largest globular star clusters

iotman

2026-05-22 18:05

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🌌 SpacePicture of a Day: The Nebulous Realm of WR 134 🪐

🌌 SpacePicture of a Day: The Nebulous Realm of WR 134 🪐

This cosmic snapshot covers a field of view over twice as wide as the full Moon within the boundaries of the high-flying constellation Cygnus. Made using astronomical narrowband filters, the image highlights

iotman

2026-05-21 18:05

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🌌 SpacePicture of a Day: A Collision of Galaxy Clusters 🪐

🌌 SpacePicture of a Day: A Collision of Galaxy Clusters 🪐

This big beautiful spiral shines in X-ray light. It is about 20 times larger than our Galaxy. It belongs to Abell 2029, a galaxy cluster one billion light-years away. (To see only the galaxies, hover your

iotman

2026-05-20 18:05

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🌌 SpacePicture of a Day: The Dark Wolf Nebula 🪐

🌌 SpacePicture of a Day: The Dark Wolf Nebula 🪐

A dark wolf lies in gum. No, this isn’t a riddle! Today's image features the Dark Wolf Nebula (Sandqvist–Lindroos 17), a spooky dust cloud embedded within the Gum 55 (RCW 113) Nebula in the Scorpius

iotman

2026-05-19 18:05

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🌌 SpacePicture of a Day: NGC 2170: The Angel Nebula 🪐

🌌 SpacePicture of a Day: NGC 2170: The Angel Nebula 🪐

Is this a painting or a photograph? In this celestial abstract art composed with a cosmic brush, dusty nebula NGC 2170, also known as the Angel Nebula, shines just above the image center. Reflecting the

iotman

2026-05-18 18:05

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🌌 SpacePicture of a Day: Unraveling NGC 3169 🪐

🌌 SpacePicture of a Day: Unraveling NGC 3169 🪐

Spiral galaxy NGC 3169 looks to be unraveling like a ball of cosmic yarn. It lies some 70 million light-years away, south of bright star Regulus toward the faint constellation Sextans. Wound up spiral

iotman

2026-05-17 18:05

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🌌 SpacePicture of a Day: NGC 1300: Barred Spiral Galaxy 🪐

🌌 SpacePicture of a Day: NGC 1300: Barred Spiral Galaxy 🪐

Across the center of this spiral galaxy is a bar. And at the center of this bar is smaller spiral. And at the center of that spiral is a supermassive black hole. This all happens in the big, beautiful,

iotman

2026-05-16 18:05

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🌌 SpacePicture of a Day: Aurora Slathers Up the Sky 🪐

🌌 SpacePicture of a Day: Aurora Slathers Up the Sky 🪐

Like salsa verde on your favorite burrito, a green aurora slathers up the sky in this 2017 June 25 snapshot from the International Space Station. About 400 kilometers (250 miles) above Earth, the orbiting

iotman

2026-05-15 18:05

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🌌 SpacePicture of a Day: R3 PanSTARRS: An Orion Comet 🪐

🌌 SpacePicture of a Day: R3 PanSTARRS: An Orion Comet 🪐

Comet R3 PanSTARRS might be best remembered as an Orion comet. A key reason is because Comet C/2025 R3 (PanSTARRS) was near its most spectacular -- in terms of tail visibility -- when passing in front

iotman

2026-05-14 18:05

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🌌 SpacePicture of a Day: Messier Catalog at Uniform Scale 🪐

🌌 SpacePicture of a Day: Messier Catalog at Uniform Scale 🪐

What are some of the most interesting astronomical objects you can see in the night sky? Armed with a good pair of binoculars or a small telescope, if you live in the Northern Hemisphere, you can look

iotman

2026-05-13 18:05

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🌌 SpacePicture of a Day: NGC 188: Old Cluster in the New General Catalog 🪐

🌌 SpacePicture of a Day: NGC 188: Old Cluster in the New General Catalog 🪐

The New General Catalog of star clusters and nebulae really isn't so new. In fact, it was published in 1888 - an effort by J. L. E. Dreyer to consolidate the work of astronomers William, Caroline, and