comets-ml : Comets Mailing List

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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.

There is a special repository for important contributions which contains special guidelines and most helpful list contributions for comet observers which can be found at

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Variations of the comet tail Panstarr C/2011 L4 http://spaceweather.com/gallery/indiv_upload.php?upload_id=82050 regards Rolando Ligustri =============================== C.A.R.A. http://cara.uai.it CAST: Posted - Wed May 22, 2013 9:49 am	ligustri rolando astroligu2002 Send Email
comet C/2011 L4 Panstarrs today http://spaceweather.com/gallery/indiv_upload.php?upload_id=82047 regards Rolando Ligustri =============================== C.A.R.A. http://cara.uai.it CAST: Posted - Wed May 22, 2013 6:50 am	ligustri rolando astroligu2002 Send Email
Visibility analysis for ISON at 50�N Please 'admire' http://www.astro.uni-bonn.de/~dfischer/ison/ on which I spent the last few hours, in order to 'visualize' the viewing conditions for a certain Posted - Wed May 22, 2013 12:04 am	skyweek Send Email
Re: Comet C/20ll L4 PanSTARRS Growing Anomalous Tail Hi Bob, The anomalous tail is comprised of dust that has been ejected generally in an anti-solar direction from the nucleus in past weeks and months, the Posted - Tue May 21, 2013 7:04 pm	cnj999 Send Email
Re: Comet C/20ll L4 PanSTARRS Growing Anomalous Tail Dear Jean, Of course - that makes perfect sense! Thank you. My problem was I wasn't thinking in 3 dimensions. So one last question. Is the long tail we Posted - Tue May 21, 2013 4:38 pm	Bob King cometlynx Send Email
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2011	51	27	55	83	140	137	107	197	182	261	78	774
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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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