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This group is for observers and anyone else interested in comets. This includes discussion about visual, photographic and CCD observing as well as about astrometric, orbital, photometric, hunting or historical aspects. Observations have to be posted at our parallel list CometObs, images at our parallel list Comet-Images.

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Re: A new outburst of Comet 17P/Holmes
Dear Richard, thank you for this valuable study, well done. Best regards, Luca Buzzi # 204
Posted - Sun May 20, 2012 4:48 pm
Luca Buzzi
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New comet C/2011 KP36 (Spacewatch)
http://schiaparelli204.wordpress.com/ Dear all, at the link above you can see some information and images about this new discovery. Regards, Luca Buzzi # 204
Posted - Sun May 20, 2012 2:47 pm
Luca Buzzi
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Re: 71P, 96P, C/2011 U3
Dear Terry Lovejoy, Thank you very much for your report! I updated the light curves of 71P and 96P in my web pages. It's nice that 71P is still bright as
Posted - Sun May 20, 2012 11:26 am
Seiichi Yoshida
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Re: 71P, 96P, C/2011 U3
Hi Seiichi, From my survey images: May 16.8 : 71P at detection limit of 12 second exposures with 8" f2. Visual mag ~14. May 19.8: 96P not visible (likely
Posted - Sun May 20, 2012 7:39 am
terryjlovejoy
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Re: A new outburst of Comet 17P/Holmes
I imaged this comet on Feb 24 and Mar 30. The mean magnitude was 21.0 on both occasions. An image from Feb 24 is at: http://tinyurl.com/7u6t7vk Dave Herald
Posted - Sun May 20, 2012 6:58 am
Dave Herald
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Message History

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2012 185 110 66 40 50
2011 51 27 55 83 140 137 107 197 182 261 78 774
2010 77 38 107 127 31 33 49 51 50 52 143 142
2009 72 110 82 71 87 124 68 79 123 72 64 34
2008 176 166 98 94 134 66 100 161 203 113 79 117
2007 635 98 143 164 153 98 154 70 103 491 345 99
2006 177 193 89 442 271 60 134 126 141 239 137 124
2005 74 43 57 50 119 194 173 93 64 163 64 40
2004 98 117 85 257 195 52 54 115 193 65 147 140
2003 523 483 247 174 150 188 112 121 168 227 230 242
2002 123 279 407 346 168 135 183 327 174 188 223 498
2001 37 93 92 62 75 77
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