- Hanny's Voorwerp is in Leo Minor, near 13 Leonis Minoris in (I think)
the Lion Cub's rump.
"Position(2000): RA 09 41 00.86, Dec 33 43 42.26"
16 Leo 18.
Mark A. Holmes
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> > Amateur astronomer spies gassy "cosmic ghost" - Yahoo! News
> > http://news.yahoo.com/s/nm/20080805/sc_nm/cosmic_ghost_dc
> Amateur astronomer spies gassy "cosmic ghost"
> Tue Aug 5, 3:51 PM ET
> CHICAGO (Reuters) - A Dutch primary school teacher and amateur
> astronomer has discovered what some are calling a "cosmic ghost," a
> strange, gaseous object with a hole in the middle that may represent a
> new class of astronomical object.
> The teacher, Hanny van Arkel, discovered the object while volunteering
> in the Galaxy Zoo project, which enlists the help of members of the
> public to classify galaxies online.
> "At first, we had no idea what it was. It could have been in our solar
> system, or at the edge of the universe," Yale University
> astrophysicist Kevin Schawinski, a member and co-founder of the Galaxy
> Zoo team, said in a statement.
> The find, nicknamed "Hanny's Voorwerp" (Dutch for object), soon had
> scientists training their telescopes on the object.
> "What we saw was really a mystery," Schawinski said. "The Voorwerp
> didn't contain any stars."
> Made entirely of very hot gas, the eerie green object is illuminated
> by remnant light from the nearby galaxy IC 2497.
> "We think that in the recent past the galaxy IC 2497 hosted an
> enormously bright quasar," Schawinski said.
> He said light from the past still illuminates the ghostly object, even
> though the quasar shut down some 100,000 years ago and the galaxy's
> black hole went quiet.
> "It's this light echo that has been frozen in time for us to observe,"
> said Chris Lintott, a co-organizer of Galaxy Zoo at Oxford University
> in the United Kingdom, said in a statement.
> Researchers will soon use the Hubble Space Telescope to get a closer
> "It's amazing to think that this object has been sitting in the
> archives for decades and that amateur volunteers can help by spotting
> things like this online," van Arkel said in a statement.
> Van Arkel is one of more than 150,000 amateur astronomers who have
> assisted in classifying more than 1 million galaxies over the past
> year as part of the Galaxy Zoo project.
> The next stage of Galaxy Zoo will ask volunteers to search for more
> unusual astronomical objects.
> Galaxy Zoo can be found at www.galaxyzoo.org .