Only a few days ago comet 17P/Holmes was 17th magnitude object and out of visual reach of amateur telescopes. But then there was an outburst and the comet suddenly and rapidly brightened by a factor of million and reached magnitude 2.5! It is currently moving slowly through the constellation Perseus and it is easily visible to the naked eye, even from the city. Astronomers expect that it will remain bright for about 20 days.

    Interestingly, the comet was discovered in 1892. when it had a similar outburst. It's also interesting because it currently looks like a star (or a planet at high magnification) without a tail. It is now well positioned in the sky, visible throughout the night. The best time to look for is in the evening at the northeastern part of the sky (if weather permitts). See map.

More:
    Seiichi Yoshida Home Page
    Sky and Telescope

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Friday 14 May 2010, 14:46

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