P/2010 H2 (VALES)
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
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 (C) 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 (C) 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 (C) 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 (C) 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: