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The light from M33, the Triangulum Galaxy, left its stars about 2.7 million years ago, when the earliest members of our genus lived in East Africa and northern ice sheets began to grow. Some of its blue giants may no longer exist. #M33 #galexies

🌌 M33, the Triangulum Galaxy (NGC 598), lies in Triangulum at RA 01h 33m 51s, Dec +30° 39′ J2000, about 2.73 million light-years from Earth. It is an SA(s)cd spiral inclined about 55° to our line of sight, spanning 70.8′ × 41.7′ on the sky, more than twice the Full Moon, which at this distance corresponds to roughly 56,000 light-years across.

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Panagiotis Xipteras @xipteras.com · 16h

🌖 Oct 1: Waning gibbous in Taurus, 79% lit and about 369,600 km away, close to perigee. She's parked under 3° from the Pleiades tonight. On the shadow edge, Theophilus, Cyrillus and Catharina pop in a scope, and Tycho's rays are hard to miss. Handheld, Sony A7RV, 70-200 f/4, 2x TC. #Moonphase

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Panagiotis Xipteras @xipteras.com · 30/09/2026

What if you could not see the sky because of the #stars -- 📷: Lacerta and friends

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Panagiotis Xipteras @xipteras.com · 29/09/2026

A cold shadow of dust 3.5 light-years tall, backlit by hydrogen, with the Flame Nebula burning beside Alnitak. Horsehead and Flame in Orion, 1,375 light-years away, shot in Hα with my NP127is and QSI683. Their light left around 650 AD. #HorseheadNebula #Astrophotography

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Panagiotis Xipteras @xipteras.com · 29/09/2026

☀️ Sept 29: the Sun is in Virgo and almost blank today. Just one small spot pair, each speck roughly Earth-sized. ⛔️ Never look at the Sun without a certified solar filter. Eye damage is permanent. 📷 Handheld, Sony A7RV, 70-200mm f/4 + 2x TC, Baader AstroSolar™ #solarphotography

Full disk of the Sun in white light, grey on a black background, slightly darker toward the edge. A single small pair of dark sunspots sits in the upper right quadrant, about halfway between the center and the edge. The rest of the surface is clear.

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Panagiotis Xipteras @xipteras.com · 28/09/2026

🌖 Sept 28: 94% lit, drifting through Aries about 372,600 km away and closing in on Thursday's perigee. In a telescope, watch the shadow edge slice through Mare Crisium while Tycho and Copernicus spray their rays across the face. Handheld tonight: A7RV, 70-200 f/4, 2x TC. #Moonphase

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Panagiotis Xipteras @xipteras.com · 28/09/2026

Yes, I do see the doughnut now. 😊 The area around Messier 16 is quite an amazing part of the summer sky.

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Panagiotis Xipteras @xipteras.com · 28/09/2026

“Sleeping Beauty” is what I came for, but no, there are official names for this region. You name it. #Messier16 #astrophoto — 🌌: @televueoptics.bsky.social NP127is telescope, QSI 683 CCD camera, Astrodon 5nm h-alpha filter.

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Panagiotis Xipteras @xipteras.com · 27/09/2026

🔭🤫 There's always a telescope bigger than yours. #telescope

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Panagiotis Xipteras @xipteras.com · 27/09/2026

☀️ Sunday 27 Sep, Sun in Virgo. A filtered scope shows six small spots near the middle, a lone speck and a bigger one right on the rim. Coming or going? Ask me tomorrow. ⛔️ Never look without a certified solar filter. 📷 Handheld, Sony A7RV, 70-200 f/4, 2x TC, Baader AstroSolar™ #solarphotography

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Panagiotis Xipteras @xipteras.com · 26/09/2026

☀️ Sat 26 Sep: Sun in Virgo, almost exactly 150 million km away. Calm disk: a pair of spots near the top right edge, the bigger one about Earth-sized, plus two small ones. ⛔️ Never look without a certified solar filter. 📷 Handheld, Sony A7RV, 70-200 f/4, 2x TC, Baader AstroSolar™ #solarphotography

White-light photo of the whole Sun taken on 26 September 2026: a smooth grey disk on a black background, slightly darker toward the edge. Near the upper right edge sits a pair of dark sunspots, the upper one larger and slightly elongated. One small dark spot sits just left of the center, and another small spot lies below and to the right of the center.

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Panagiotis Xipteras @xipteras.com · 25/09/2026

Fachwerkhaus, Germany, 2026 #travelphotography #blackandwhitephoto -- 📷: A7CR, Zeiss 35mm f2.8

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Panagiotis Xipteras @xipteras.com · 25/09/2026

🌝 The Moon on the line, tonight. 1 night short of full, it came up almost due east and got caught on the cable above the roof. Tomorrow it's the #HarvestMoon. Right now it rises only about a quarter of an hour later each evening, so for a few nights there's moonlight right after sunset.

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Panagiotis Xipteras @xipteras.com · 24/09/2026

🌔 Sept 25, 2026: a day before the Harvest Moon and already 96% lit, low in Aquarius about 387,000 km away. Sunrise is just touching Grimaldi on the left edge, and a small scope shows Tycho, Copernicus and a blazing Aristarchus. Handheld, Sony A7RV, 70-200mm f/4 + 2x teleconverter. #Moonphase

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Panagiotis Xipteras @xipteras.com · 23/09/2026

Auriga, the Charioteer, from southern Germany. Capella shines at magnitude 0.08 from 42.9 light years, two yellow giants circling each other every 104 days. In myth she is Amalthea, the goat that fed the infant Zeus. #astrophotography -- Image: Auriga and Taurus constellations

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Panagiotis Xipteras @xipteras.com · 23/09/2026

☀️ 23 Sep 2026, and autumn is official. Horoscopes say Libra, the sky says Virgo until Halloween. Five spot groups today, the biggest spot wider than Earth. ⛔️ Eyes, binoculars or telescope: certified solar filter only. 📷 Handheld, Sony A7RV, 70-200 f/4, 2x TC, Baader AstroSolar™ #solarphotography

White-light photo of the whole Sun, taken on 23 September 2026: a grey disk on black, slightly darker toward the edge. Upper right of center sits the largest sunspot, round and dark with a soft grey rim, with two smaller spots just below it and a loose cluster of about six small spots above. Below center, three small spots form a short vertical line, and a small spot sits at lower left.

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Panagiotis Xipteras @xipteras.com · 22/09/2026

🌔 Sept 22: the Moon is 85% lit in Capricornus, about 396,000 km away. Aristarchus is just catching sunrise, and Copernicus, Kepler and Tycho shine in a scope. Handheld tonight, Sony A7RV + 70-200 f/4 + 2x TC. Autumn starts at 2:05 am, Harvest Moon on Saturday. #Moonphase

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Panagiotis Xipteras @xipteras.com · 22/09/2026

☀️ Summer's last evening, Sun in Virgo, equinox tonight. After two spotless days, five spot regions are back. AR4534 and fast-growing AR4536 stand out. A minor G1 storm may follow tomorrow. ⛔️ Solar filter or don't look. 📷 Handheld, Sony A7RV, 70-200 f/4, 2x TC, Baader AstroSolar™ #solarphotography

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Panagiotis Xipteras @xipteras.com · 21/09/2026

Lyra constellation. Handheld.

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Panagiotis Xipteras @xipteras.com · 20/09/2026

M27 handheld. ✨👀👀👀 #spacephoto -- 📷: Nikon D5,ISO 204800, 3x500ms, Nikkor 70..200E FL zoom lens with TC20EIII extender at 400mm and f/5.6, VR=ON, freehand capture.

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Panagiotis Xipteras @xipteras.com · 18/09/2026

🌌✨ Tonight's after-sunset sky gem: Messier 63 – the “Sunflower Galaxy.” 🌻 Spiral arms blooming like petals, a bright core and a faint companion galaxy dancing nearby. Perfect for 8‑inch scopes. Capture the cosmic sunflower! #Astronomy #Stargazing #Messier63 🚀🌠

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Panagiotis Xipteras @xipteras.com · 16/09/2026

Yes, and you need a large telescope and a dark sky, far away from light polluted areas, to see it—that's how faint it is.

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Panagiotis Xipteras @xipteras.com · 16/09/2026

45 million years ago, that white dwarf there in NGC7331 galaxy underwent a runaway thermonuclear explosion completely destroying itself.

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Panagiotis Xipteras @xipteras.com · 16/09/2026

Tonight, you can witness a supernova in the galaxy NGC7331 in Pegasus constellation. #SN2026aaiv #supernova #galaxies #NGC7331

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Panagiotis Xipteras @xipteras.com · 15/09/2026

My goodness! I just found my first attempts at photographing the galaxy NGC7331, taken 22 years ago. And here's the one from yesterday! #astrophotography

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Panagiotis Xipteras @xipteras.com · 15/09/2026

The supernova SN2026aaiv in the galaxy NGC7331 #astrophotography 15.9.2026.

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Panagiotis Xipteras @xipteras.com · 15/09/2026

The galaxy NGC7331 with its supernova SN2026aaiv #astrophotography 15.9.2026

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Panagiotis Xipteras @xipteras.com · 15/09/2026

One frame in Pegasus, two very different clocks: NGC 7331 hands me its supernova SN2026aaiv tonight from 40 million light-years, and Stephan's Quintet, seven times farther back, waits another 210 million years for the same light. CS /px 15.9.2026 #NGC7331 #supernova

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Panagiotis Xipteras @xipteras.com · 14/09/2026

Altair, 16.7 light-years out, turns once every nine hours and spins itself into an oval. Greek sky lore put the eagle of Zeus here, the one that carried Ganymede to Olympus. The light in this frame left in 2009. Nikon D5 at 420mm, eight frames of 64 s. #Altair #Astrophotography

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Panagiotis Xipteras @xipteras.com · 13/09/2026

In photography, this elevated awareness is crucial for capturing the magic of light, to look beyond the lens to the dance of shadow and light. 🧙 Perhaps in this confluence of sound and sight lies the true magic. Who knows. 💃🕺 Clear skies and enjoy the stars.

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Panagiotis Xipteras @xipteras.com · 13/09/2026

📡✨ Music, a universal language, connects us to the cosmos, elevating the everyday to the extraordinary. A source of inspiration, it's a powerful force that transcends boundaries and expands our perception. ...

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Panagiotis Xipteras @xipteras.com · 13/09/2026

Guiding us through the complexities of sound to a place where emotion and intellect intertwine, music illuminates the depths of our experiences and understanding. As a symphony of science and art, it becomes more than just a melody; it becomes a luminous journey of discovery. ...

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Panagiotis Xipteras @xipteras.com · 13/09/2026

Are stars a symphony of light? ✨🔭📡🎶 🎹🧮 Music, at its core, is a tapestry woven from the threads of mathematics and frequencies, each note and rhythm a precise calculation, yet it transcends these technical roots to become a pathway to light. #nightsky #stars ...

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Panagiotis Xipteras @xipteras.com · 13/09/2026

13 Sep 2026, the Sun on its way out of Leo. ☀️ Three sunspot groups today, the darkest one wider than Earth and easy in a small scope. ⛔️ Only ever with a certified solar filter in front of the optics. Never without. 📷 A7RV, 70-200mm f/4 + 2x TC, handheld, Baader AstroSolar #solarphotography

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Panagiotis Xipteras @xipteras.com · 12/09/2026

🐶 Procyon (α CMi), a bright gem #stars in the constellation of Canis Minor, the Little Dog, is the eighth brightest star in the night sky. At a distance of only 11.46 light-years, Procyon is our celestial neighbor and shines with an apparent magnitude of 0.34.

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Panagiotis Xipteras @xipteras.com · 12/09/2026

Sun's in Leo today, 12 September 2026 ☀️ Two spot groups stand out, the larger wider than two Earths; three faint specks need more aperture. ⛔️ Only with a certified full aperture filter, unfiltered seconds can blind you. 📷 A7RV, 70-200mm f/4 + 2x TC, handheld, Baader AstroSolar #solarphotography

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Panagiotis Xipteras @xipteras.com · 11/09/2026

The Baptism of the Hypocrites 👺👼🦅 #BoxedAnomaly2026

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