Before Charles Messier handed in the final supplement of his catalog, which was published in 1781, his contemporary, Pierre Méchain, supplied a number of new objects for his consideration. Messier ...

Each spring, amateur astronomers attempt the ultimate stargazing challenge—an overnight quest to spot every galaxy, nebula, ...

Anyone spotting a globular star cluster like M13 for the first time through an amateur telescope will recognize a fascinating white spot, which at first glance could also be a comet without a ...

"Deep Sky Companion" at the Cahill Center for Astronomy and Astrophysics. Credit: Lia Halloran For her latest exhibition, called “Deep Sky Companion,” artist Lia Halloran was inspired not by the ...

Thanks to the Hubble Space Telescope, amateur astronomers had 12 new objects to observe during the annual Messier Marathon held March 17 and 18. The challenge is often scheduled around a new moon in ...

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