ALPO Comet Section

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Important Links

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NEW: Cloudy Nights ALPO Comet Highlights and Discussion for June 2021

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Submit Visual Comet Magnitude Estimates

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Submit Comet Images and Drawings to the ALPO Comet Section Archive

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ALPO Comet Section Image Gallery (6000+ images of 600+ comets)

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ALPO Comet Section Magnitude Database

for Currently Observable Comets

for Past Comets (post-2000)

for Past Comets (1995-1999)

for Past Comets (pre-1995)

for Past Periodic Comets

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Coordinator
Carl W. Hergenrother
carl.hergenrother (at) alpo-astronomy.org

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Acting Assistant Coordinator
Michel Deconinck
trialogmdc (at) yahoo.fr

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Header montage images/drawings include (clockwise from upper left) C/1995 O1 (Hale-Bopp) by Cecil Post on 1997 Apr 11, rotational gradiant processed image of C/2012 X1 (LINEAR) in outburst by Gianluca Masi on 2013 Oct 25, drawing of C/1987 P1 (Bradfield) by Edwin Faughn on 1987 Nov 21, 209P/LINEAR by Gianluca Masi on 2014 May 26, C/1996 B2 (Hyakutake) by Adrian New on 1996 Mar 25, drawing of C/1965 S1 (Ikeya-Seki) by David Meisel on 1965 Nov 1, and C/2006 P1 (McNaught) by John Melka on 2007 Jan 10. All images/drawings can be found in the ALPO Comet Section Image Gallery.