The sky on
your birthday.
APM 08279+5255: The Brightest Object Yet Known
APM 08279+5255 is a quasar, an extremely bright object powered by a supermassive black hole. It is the brightest continuously emitting object known, shining with the power of 100 billion Suns. Despite its immense brightness, its great distance makes it only appear as a magnitude 15.2 object. Its extreme redshift places it far across the universe.
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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 18 August 2012 Curiosity on Mars: Still Life with Rover See it as a poster -
Released on 18 August 2025 NGC 1309: A Useful Spiral Galaxy See it as a poster -
Released on 18 August 2025 Noteworthy nearby spiral See it as a poster -
Released on 18 August 2013 Skylab Over Earth See it as a poster -
Released on 18 August 2018 Earth's limb and dust storms in the Sahara are pictured as the International Space Station orbited nearly 252 miles See it as a poster
In tropical astrology, 18 AUG 1998 falls under Leo (♌). The sign's window runs from 07-23 through 08-22. Leo is anchored by Regulus, the heart of the Lion, twenty-four parsecs from Earth. The Sun was crossing this region of the sky on 18 AUG 1998.
Questions about August 18, 1998
What space photo was released on August 18, 1998?
NASA's Astronomy Picture of the Day for August 18, 1998 was "APM 08279+5255: The Brightest Object Yet Known". It's the card at the top of this page.
What was the Moon's phase on August 18, 1998?
A waning crescent moon, about 19% lit.
What day of the week was August 18, 1998?
August 18, 1998 was a Tuesday, day 230 of the 365 days in 1998.
Was there a meteor shower on August 18, 1998?
Yes: the Perseid shower, peaked 5 days ago.
Is it free?
Yes. Seeing, sharing and downloading the card is free, and there's no account to make.