The sky on
your birthday.
NGC 6357: Cathedral to Massive Stars
How massive can a star be? In the open cluster Pismis 24, one star was once thought to be over 200 times the mass of our Sun. This star is the brightest object in the central cavity of NGC 6357, a region of massive star formation. The Webb Space Telescope captured this image in infrared light, showing the intricate details of this stellar nursery.
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Released on your day
Space pictures released on your month and day in other years, or a few days either side. Each one is sharp enough to print as a poster.
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The Sun on your day The Sun on 23 September 2025 See it as a poster -
The Earth on your day The Earth on 23 September 2025 · Red Sea See it as a poster -
Released on 23 September 2024 The new and improved IC 1954 See it as a poster -
Released on 23 September 2004 Most-Distant Galaxy Candidates in the Hubble Ultra Deep Field See it as a poster -
Released on 23 September 2015 The star formation region Messier 17 See it as a poster -
Released on 23 September 2019 Beacon of Light See it as a poster -
Released on 23 September 2015 Digitized Sky Survey Image of the Omega Nebula (M 17) See it as a poster
In tropical astrology, 23 SEP 2025 falls under Libra (♎). The sign's window runs from 09-23 through 10-22. Libra is the only zodiac constellation named for an inanimate object, the scales of judgment. The Sun was crossing this region of the sky on 23 SEP 2025.
Questions about September 23, 2025
What space photo was released on September 23, 2025?
NASA's Astronomy Picture of the Day for September 23, 2025 was "NGC 6357: Cathedral to Massive Stars". It's the card at the top of this page.
What was the Moon's phase on September 23, 2025?
A new moon, about 1% lit.
What day of the week was September 23, 2025?
September 23, 2025 was a Tuesday, day 266 of the 365 days in 2025.
What did the Sun and the Earth look like on September 23, 2025?
NASA's Solar Dynamics Observatory photographed the Sun that day, and NASA's Terra satellite photographed the whole Earth. Both are on this page, next to the card.
Is it free?
Yes. Seeing, sharing and downloading the card is free, and there's no account to make.