AstroAlert
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Just magnitude 9 when discovered on April 18, 2008, this nova in Sagittarius has brightened tenfold.
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Two Japanese amateurs captured the new star on April 10, 2008, at a spot where their camera had recorded nothing just three days earlier.
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On March 8, 2008, this asteroid or one of its two moons could make a faint naked-eye star vanish briefly from the sky.
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A huge, remote asteroid could briefly blot out a faint star in Gemini on February 10-11, 2008.
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On Nov. 14, 2007, a star in the constellation Puppis suddenly became visible in binoculars.
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On Wednesday, October 24, 2007, this faint comet between the orbits of Mars and Jupiter suddenly became a naked-eye "star."
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New calculations indicate that Charon may actually occult an 8.7-magnitude star on Sept. 27, 2007.
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Pluto will pass extremely close to an 8.7-magnitude star on September 27, 2007; observers should monitor the star's brightness electronically.
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Late Wednesday night, September 19–20, 2007, observers across much of North America should watch for a possible occultation by asteroid 146 Lucina's satellite.
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Amateur observations of variable star PQ Andromedae are needed on September 11-12, 2007, to ensure a successful Hubble campaign.
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A suspected dwarf nova is undergoing its first observed outburst and had reached 9th magnitude as of September 5, 2007. More observations are needed.
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Please help us accurately map the edge of the Moon by timing occultations of stars during the August 28, 2007, total lunar eclipse.
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On Tuesday morning, August 21, 2007, observers across much of North America should watch for a possible occultation by asteroid 146 Lucina's satellite.
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On August 8, 2007, variable-star observer Hiroshi Abe discovered a 9th-magnitude nova in Vulpecula. The AAVSO seeks your observations.
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Copyright © 2008 New Track Media. All rights reserved.
Sky & Telescope, Night Sky, and SkyandTelescope.com are registered trademarks of New Track Media
