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Viewings: 5945According to Space Weather, 2013, will likely become the year of the comet. Comet Pan-STARRS will also be visible to the naked eye in March, will follow it, perhaps, the Great comet ISON in November. Now we should add to this list the green comet Lemmon (C/2012 F6).
"Comet Lemmon will put us a great show for the southern hemisphere", says John Drummond, who sent us a photo from Gisborne, New Zealand: "This image was made on January 23, using 41 cm (16 in.) reflector Meade, " said Drummond. "This is the result that emerged from twenty shots C1 min exposure" ."it took a lot of time to consider the comet coma for about 7-magnitude ("Coma" = cloud of gas surrounding the nucleus of the comet).
Green - Lemmon comes from the gases that make up her coma. Jets erupt from the comet's nucleus, CYANOGEN (CN: poisonous gas found in many comets) and diatomic carbon (C2). Both substances become green glow in the sun and in the near space vacuum.
Found 23 March 2012 the Centre of observations mount Lemmon (Mount Lemmon) in Arizona, comet Lemmon is on an elliptical orbit with a period of almost 11,000 years. This is her first visit to the inner solar system for a very long time. The brightness of the comet will increase as we approach the sun; we can assume that its luminosity reaches 2 or 3 of magnitude, and it'll be like the stars in the Big dipper, in the end of March, when it approaches the Sun in about the same distance that and Venus (0,7 AU) .
Observers from the Northern hemisphere will have the first opportunity to observe the comet in the beginning of April, until then, it will be solely for the purpose of astronomers from the southern hemisphere.
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