P/2010 H2 (VALES)


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The comet was discovered by J. Vales on station 106 Crni Vrh on April, 16 2010

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
Light curves on Cometas Obs, JPL Small body database

The comet showed an extreme outburst. The peak so far: 2010-04-19

P/2010 H2 (VALES)  by Bernhard Haeusler, Germany

Development of the comet during four days, 24 hours interval. Measured with FOCAS II in 10 x 10 arcsec box:

April, 17.1: 12.47 mag
April, 18.1: 12.19 mag
April, 19.1: 12.01 mag
April, 20.1: 12.42 mag


The comet is 0.4 mag fainter  in 24 hours. The shape is still oval.

P/2010 H2 (VALES)  by Bernhard Haeusler, Germany     

P/2010 H2 by Bernhard Haeusler, 2010-04-20 B/W

19 * 3 min. exposure, 2010-04-20 UT 01:36, 12" SCT  f-5.65 + CCD ST10XME
12.42 mag, coma: 55", no tail


The comet is 0.2 mag brighter in 24 hours. The shape is still oval
A very faint coma of 3'36" * 2'49"  is visible in stacked images of 30 x 3 min. exp. time.

P/2010 H2 (VALES)  by Bernhard Haeusler, Germany      P/2010 H2 (VALES)  by Bernhard Haeusler, Germany

P/2010 H2 by Bernhard Haeusler, 2010-04-19 B/W

30 * 2 min. exposure, 2010-04-19 UT 00:53, 12" SCT  f-5.65 + CCD ST10XME
12.01 mag, coma: 3'36" * 2'49", no tail


The comet is 0.3 mag brighter in 24 hours. The shape is clearly oval (19" x 24").
A very faint coma of 1'15" is visible in stacked images of 45 x 2 min. exp. time.

P/2010 H2  by Bernhard Haeusler, Germany      P/2010 H2  by Bernhard Haeusler, Germany     P/2010 H2  by Bernhard Haeusler, Germany

P/2010 H2 by Bernhard Haeusler, 2010-04-18 B/W

2 min. exposure, 2010-04-18 UT 00:52, 12" SCT  f-5.65 + CCD ST10XME
12.19 mag, coma: 1'15", no tail


P/2010 H2  by Bernhard Haeusler, Germany   P/2010 H2  by Bernhard Haeusler, Germany

P/2010 H2 by Bernhard Haeusler, 2010-04-17 B/W        

21 min. exposure, 2010-04-17 UT 00:58, 12" SCT  f-5.65 + CCD ST10XME
12.5 mag, coma: 12", no tail:   


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