29P/Schwassmann-Wachmann


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Discovered by the German astronomers Arnold Schwassmann and Arno Arthur Wachmann in Hamburg during an Outburst at November,15 1925.
The comet is famous for suffering unexpected outbursts and is continously observed by amateurs.

The latest IAU telegrams or the latest CBET's. IAUC Astronomical Headlines.

Minor planet center's orbital elements and Ephemeris,   the comet on Seiichi Yoshida's Homepage, Gary W. Kronk's Cometography
Light curves  on Cometas ObsJPL Small body database


actual outburst   -   see light curves on Cometas_Obs

29P/Schwassmann-Wachmann © by Bernhard Haeusler, Germany

© 2011-03-01 + 2011-03-03 by Bernhard Haeusler, Maidbronn, Germany      


third day of the actual outburst

29P/Schwassmann-Wachmann © by Bernhard Haeusler, Germany

© 2011-03-03 by Bernhard Haeusler, Maidbronn, Germany      

16 x 5 min. exposure, 2011-03-03, UT 01:49 to 02:06, 12" SCT  f-5.65 + CCD ST10XME
15.62 mag, coma: 3', tail: 2' in PA4


first day of the actual outburst, comets-ml # 17161

29P/Schwassmann-Wachmann © by Bernhard Haeusler, Germany

© 2011-03-01 by Bernhard Haeusler, Maidbronn, Germany      

28 x 5 min. exposure, 2011-03-01, UT 01:34 to 02:57, 12" SCT  f-5.65 + CCD ST10XME
15.49 mag, coma: 2'37", tail: 1'28" in PA28


29P/Schwassmann-Wachmann © by Bernhard Haeusler, Germanyi

© 2011-01-30 by Bernhard Haeusler, Maidbronn, Germany      

8 x 10 min. exposure, 2011-01-30, UT 04:04 to 05:26, 12" SCT  f-5.65 + CCD ST10XME
16.02 mag, coma: 3'30", tail: 25" in PA315


Faustino García Cuesta (J38) detected a small outburst at January, 21 2011 of almost 2 mag.

29P/Schwassmann-Wachmann © by Bernhard Haeusler, Germanyi

© 2011-01-29 by Bernhard Haeusler, Maidbronn, Germany      

10 x 10 min. exposure, 2011-01-29, UT 03:48 to 05:30, 12" SCT  f-5.65 + CCD ST10XME
15.91 mag, coma: 4', tail: 24" in PA299


Trilogy of the current outburst: The comet is in the same field of stars during three days.

29P/Schwassmann-Wachmann © by Bernhard Haeusler, Germany

© 2010-04-16 to 18 by Bernhard Haeusler, Maidbronn, Germany      

The development of the outburst of 29P/Schwassmann-Wachmann during three days from April, 16 to April 18 2010


third day of the outburst 

29P/Schwassmann-Wachmann © by Bernhard Haeusler, Germanyi

© 2010-04-18 by Bernhard Haeusler, Maidbronn, Germany      

58 x 2 min. exposure, 2010-04-18, UT 20:35 to 22:38, 12" SCT  f-5.65 + CCD ST10XME
13.09 mag, coma: 7'10"


second day of the outburst

29P/Schwassmann-Wachmann © by Bernhard Haeusler, Germany

© 2010-04-17 by Bernhard Haeusler, Maidbronn, Germany      

22 x 2 min. exposure, 2010-04-17, UT 20:34 to 21:20, 12" SCT  f-5.65 + CCD ST10XME
12.86 mag, coma: 6'30"


first day of the outburst

29P/Schwassmann-Wachmann © by Bernhard Haeusler, Germany

© 2010-04-16 by Bernhard Haeusler, Maidbronn, Germany      

18 x 10 min. exposure, 2010-04-16, UT 20:55 to 23:57, 12" SCT  f-5.65 + CCD ST10XME
12.78 mag, coma: 1'10"


a couple of days before the next outburst

29P/Schwassmann-Wachmann © by Bernhard Haeusler, Germany

© 2010-04-07 by Bernhard Haeusler, Maidbronn, Germany      

12 x 10 min. exposure, 2010-04-07, UT 21:03, 12" SCT  f-5.65 + CCD ST10XME
16.22 mag, coma: 8'31"


© 2009-02-17 by Bernhard Haeusler, Maidbronn, Germany

© 2010-03-09 by Bernhard Haeusler, Maidbronn, Germany      

3 x 5 min. exposure, 2010-03-09, UT 00:07 to 00:22, 12" SCT  f-5.65 + CCD ST10XME
15.29 mag, coma: 4'19"


© 2009-02-17 by Bernhard Haeusler, Maidbronn, Germany

© 2010-03-02 by Bernhard Haeusler, Maidbronn, Germany      

20 x 5 min. exposure, 2010-03-03, UT 23:52 to 01:35, 12" SCT  f-5.65 + CCD ST10XME
14.83 mag, coma: 3'39"


© 2009-02-17 by Bernhard Haeusler, Maidbronn, Germany

© 2010-03-02 by Bernhard Haeusler, Maidbronn, Germany      

6 x 5 min. exposure, 2010-03-02, UT 23:55 to 00:26, 12" SCT  f-5.65 + CCD ST10XME
14.78 mag, coma: 3'41"


Still in Outburst

© 2009-02-17 by Bernhard Haeusler, Maidbronn, Germany

© 2010-02-17 by Bernhard Haeusler, Maidbronn, Germany                                                      

6 x 5 min. exposure, 2010-02-17, UT 00:29 to 01:00, 12" SCT  f-5.65 + CCD ST10XME, 13.56 mag


Small Outburst of the central region of about 1 mag:      

© 2009-02-17 by Bernhard Haeusler, Maidbronn, Germany

© 2009-04-22 by Bernhard Haeusler, Maidbronn, Germany 

6 x 10 min. exposure, 2009-04-22, UT 20:57 to 21:58, 12" SCT  f-6.532 + CCD ST10XME, 15.18 mag


Small Outburst of the central region of about 1 mag:      

© 2009-02-17 by Bernhard Haeusler, Maidbronn, Germany

© 2009-04-21 by Bernhard Haeusler, Maidbronn, Germany RGB

RGB 3 x 30 min. exposure, 2009-04-21, UT 19:57 to 21:50, 12" SCT  f-7 + CCD ST10XME, 15.12 mag


© 2009-02-17 by Bernhard Haeusler, Maidbronn, Germany

© 2009-04-12 by Bernhard Haeusler, Maidbronn, Germany 

6 x 2 min. exposure, 2009-04-12, UT 20:22 to 20:35, 12" SCT  f-7 + CCD ST10XME
16.13 mag, coma: 1'00"


The comet is passed by the galaxy PGC 21542  

© 2009-02-17 by Bernhard Haeusler, Maidbronn, Germany

© 2009-03-30 by Bernhard Haeusler, Maidbronn, Germany 

25 x 5 min. exposure, 2009-03-30, UT 20:34 to 22:37, 12" SCT  f-7 + CCD ST10XME
16.17 mag, coma: 2'00"


From March, 17 to 20 the comet moved only 0.04"/min. the star field of the following three images is almost the same.

© 2009-02-17 by Bernhard Haeusler, Maidbronn, Germany

© 2009-03-19 by Bernhard Haeusler, Maidbronn, Germany          Full Pixel version

7 x 10min. exposure, 2009-03-20, UT 20:53 to 22:03, 12" SCT  f-7 + CCD ST10XME
16.13 mag, coma: 3'01"


© 2009-02-17 by Bernhard Haeusler, Maidbronn, Germany

© 2009-03-19 by Bernhard Haeusler, Maidbronn, Germany    Full Pixel version

5 x 5 min. exposure, 2009-03-19, UT 22:00 to 22:31, 12" SCT  f-7 + CCD ST10XME
16.05 mag, coma: 2'45", tail: 2'13" in PA 44°


© 2009-02-17 by Bernhard Haeusler, Maidbronn, Germany

© 2009-03-17 by Bernhard Haeusler, Maidbronn, Germany

5 x 5 min. exposure, 2009-03-17, UT 21:40 to 22:05, 12" SCT  f-7 + CCD ST10XME
15.90 mag, coma: 2'14", tail: 3'06" in PA 54°


© 2009-02-17 by Bernhard Haeusler, Maidbronn, Germany

© 2009-02-18 by Bernhard Haeusler, Maidbronn, Germany

6 x 5 min. exposure, 2009-02-18, UT 23:47 to 00:17, 12" SCT  f-7 + CCD ST10XME


29P/Schwassmann-Wachmann © by Bernhard Haeusler, Germany

© 2009-02-17 by Bernhard Haeusler, Maidbronn, Germany

12x 5 min. exposure, 2009-02-17, UT 22:27 to 23:28, 12" SCT  f-7 + CCD ST10XME


29P/Schwassmann-Wachmann © by Bernhard Haeusler, Germany

© 2009-02-14 by Bernhard Haeusler Germany

10x 3 min. exposure, 2009-02-14, UT 22:48 to 23:19, 12" SCT  f-7 + CCD ST10XME
14.4 mag


29P/Schwassmann-Wachmann © by Bernhard Haeusler, Germany

© 2009-02-03 by Bernhard Haeusler Germany

6 x 3 min. exposure, 2009-02-03, UT 01:56 to 02:14, 12" SCT  f-7 + CCD ST10XME
15.4 mag, coma: 1'41", tail: 1'23" in PA 224°


29P/Schwassmann-Wachmann © by Josef Müller, Germany

© 2009-01-30 by Josef Müller, Germany

9 x 80 sec. exposure, 2009-01-30.112, 12" Newton + CCD Starlight SXV-H9


29P/Schwassmann-Wachmann © byDavid Bender, Germany

© 2009-01-05 by David Bender, Germany

32 x 10sec. exposure, 2009-01-05 UT 18:30, 12" Newton f-4.5 + CCD ST10XME   


Pepe Manteca from Spain took this image under foggy conditions at January,3 2009

29P/Schwassmann-Wachmann © byJosé Manteca, Spain      

© 2009-01-03 by José Manteca, Spain   

1 x 5 min. exposure, 2009-01-03 UT 00:34, 14" SCT f-6.3 + CCD ST-2000XCM  


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© Copyright of all sites and images of this web: Bernhard Haeusler, Rimpar, Germany   MPC code: B82 Maidbronn