The sky on
your birthday.
The Incredible Expanding Cat's Eye
The Cat's Eye Nebula, NGC 6543, is an expanding gaseous shroud shed by a dying star. This animation, created from Hubble Space Telescope images taken in 1994 and 1997, shows the intricate filaments of the nebula shifting. This shift is due to the actual expansion of the gas as the central star evolves from a red giant.
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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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Released on 16 September 2009 Field around the planet-hosting star CoRoT-7 See it as a poster -
Released on 16 September 2026 Webb's View of M64 See it as a poster -
Released on 16 September 2015 Sculptor dwarf galaxy See it as a poster -
Released on 16 September 2024 The light of knowledge See it as a poster -
Released on 16 September 2024 Lost in a giant stellar nursery See it as a poster
In tropical astrology, 16 SEP 1999 falls under Virgo (♍). The sign's window runs from 08-23 through 09-22. Virgo is the largest zodiac constellation, holding the heart of the Virgo galaxy cluster. The Sun was crossing this region of the sky on 16 SEP 1999.
Questions about September 16, 1999
What space photo was released on September 16, 1999?
NASA's Astronomy Picture of the Day for September 16, 1999 was "The Incredible Expanding Cat's Eye". It's the card at the top of this page.
What was the Moon's phase on September 16, 1999?
A first quarter moon, about 34% lit.
What day of the week was September 16, 1999?
September 16, 1999 was a Thursday, day 259 of the 365 days in 1999.
Is it free?
Yes. Seeing, sharing and downloading the card is free, and there's no account to make.