103P/Hartley


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Discovered by Malcom Hartley (Siding Spring, Australia) on March, 15 1986           
The spacecraft EPOXI performed a flyby on November,4 2010.  Newest approaching reports here and here

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

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


103P/Hartley © by Bernhard Haeusler, Germany

103P/Hartley  © by Bernhard Haeusler, 2011-03-08 B/W  

12 x 2 min. exposure, 2011-03-08 UT 21:59, 12" SCT  f-5.65 + CCD ST-10XME
16.70 mag (10x10 box), coma: 15", tail: 15" in PA42

animation: 55 x 2 min. in reality = 55 x 0.07 sec in animation    21:32 - 23:34 UT  2011-03-08


103P/Hartley © by Bernhard Haeusler, Germany     103P/Hartley © by Bernhard Haeusler, Germany     103P/Hartley © by Bernhard Haeusler, Germany

103P/Hartley  © by Bernhard Haeusler, 2010-11-14 B/W    27 x 40 sec. in reality = 26 x 0.07 sec in animation  full size 100% (8MB)   1 min.exp. UT 05:02, 200 mm f-2.8 + EOS 5D Mark II

20 x 40 sec. exposure, 2010-11-14 UT 04:49, 12" SCT  f-5.65 + CCD ST-10XME
10.16 mag (60x60 box), coma: 13', tail: 5' in PA290


103P/Hartley © by Bernhard Haeusler, Germany    

103P/Hartley  © by Bernhard Haeusler, 2010-10-22 B/W

5 x 13 sec. exposure, 2010-10-22 UT 04:24, 12" SCT  f-5.65 + CCD ST-10XME
9.41 mag (60x60 box), coma: 8', tail: 4' in PA268


103P/Hartley © by Bernhard Haeusler, Germany    

103P/Hartley  © by Bernhard Haeusler, 2010-10-13 B/W

15 x 13 sec. exposure, 2010-10-13 UT 02:21, 12" SCT  f-5.65 + CCD ST-10XME
9.59 mag (60x60 box), coma: 7', tail: 12' in PA234


103P/Hartley © by Bernhard Haeusler, Germany    

103P/Hartley  © by Bernhard Haeusler, 2010-10-12 B/W

14 x 16 sec. exposure, 2010-10-12 UT 02:03, 12" SCT  f-5.65 + CCD ST-10XME
9.63 mag (60x60 box), coma: 9', tail: 9' in PA233


103P/Hartley © by Bernhard Haeusler, Germany    

103P/Hartley  © by Bernhard Haeusler, 2010-10-11 B/W

24 x 16 sec. exposure, 2010-10-11 UT 01:56, 12" SCT  f-5.65 + CCD ST-10XME
9.74 mag (60x60 box), coma: 10', tail: 7' in PA228


103P/Hartley © by Bernhard Haeusler, Germany    

103P/Hartley  © by Bernhard Haeusler, 2010-10-10 B/W

51 x 16 sec. exposure, 2010-10-10 UT 02:25, 12" SCT  f-5.65 + CCD ST-10XME
10.04 mag (60x60 box), coma: 8', tail: 3' in PA221


103P/Hartley © by Bernhard Haeusler, Germany    

103P/Hartley  © by Bernhard Haeusler, 2010-10-09 B/W

51 x 16 sec. exposure, 2010-10-09 UT 02:09, 12" SCT  f-5.65 + CCD ST-10XME
10.45 mag (60x60 box), coma: 8', tail: 4' in PA213


103P/Hartley © by Bernhard Haeusler, Germany

Analysis of the inner coma with rotational gradient filter "Larson-Sekanina" (MaxImDL Pro 5)


103P/Hartley © by Bernhard Haeusler, Germany    

103P/Hartley  © by Bernhard Haeusler, 2010-10-05 B/W

55 x 20 sec. exposure, 2010-10-05 UT 00:33, 12" SCT  f-5.65 + CCD ST-10XME
10.44 mag (60x60 box), coma: 6'30", tail: 1'26" in PA199


103P/Hartley © by Bernhard Haeusler, Germany     103P/Hartley © by Bernhard Haeusler, Germany  40%

103P/Hartley  © by Bernhard Haeusler, 2010-10-04 B/W                 animation: 100 x 20 sec. = 100 x 0.07 sec animation (Full Size 23MB)

100 x 20 sec. exposure, 2010-10-04 UT 00:17, 12" SCT  f-5.65 + CCD ST-10XME
10.55 mag (60x60 box), coma: 9', tail: 1'40" in PA199


103P/Hartley © by Bernhard Haeusler, Germany

103P/Hartley  © by Bernhard Haeusler, 2010-09-18 B/W

20 x 1 min. exposure, 2010-09-17 UT 23:58, 12" SCT  f-5.65 + CCD ST-10XME
11.62 mag (60x60 box), coma: 7', tail: 1'10" in PA183


103P/Hartley is passing the spiral galaxy PGC 70523 in Andromeda

103P/Hartley © by Bernhard Haeusler, Germany     103P/Hartley © by Bernhard Haeusler, Germany

103P/Hartley  © by Bernhard Haeusler, 2010-09-12 B/W                 GIF animation 60 x 0.7 sec. = 60 x 1 min. in reality

60 x 1 min. exposure, 2010-09-12 UT 00:22, 12" SCT  f-5.65 + CCD ST-10XME
11.96 mag (60x60 box), coma: 6', tail: 1'14" in PA183


103P/Hartley © by Bernhard Haeusler, Germany     103P/Hartley © by Bernhard Haeusler, Germany

103P/Hartley  © by Bernhard Haeusler, 2010-09-06 B/W                  GIF animation 60 x 0.7 sec. = 60 x 1 min. in reality

60 x 1 min. exposure, 2010-09-05 UT 01:59, 12" SCT  f-5.65 + CCD ST-10XME
12.42 mag (60x60 box), coma: 8', tail: 40" in PA191


103P/Hartley © by Bernhard Haeusler, Germany     103P/Hartley © by Bernhard Haeusler, Germany

103P/Hartley  © by Bernhard Haeusler, 2010-09-05 B/W                  GIF animation 20 x 0.7 sec. = 60 x 1 min. in reality

10 x 1 min. exposure, 2010-09-05 UT 02:14, 12" SCT  f-5.65 + CCD ST-10XME
12.45 mag (60x60 box), coma: 8'30", tail: 1'10" in PA183


103P/Hartley © by Bernhard Haeusler, Germany     103P/Hartley © by Bernhard Haeusler, Germany

103P/Hartley  © by Bernhard Haeusler, 2010-09-02 B/W                 GIF animation 20 x 0.7 sec. = 20 x 1 min. in reality

20 x 1 min. exposure, 2010-09-02 UT 01:13, 12" SCT  f-5.65 + CCD ST-10XME
12.51 mag (60x60 box), coma: 8', tail: 1'40" in PA208


103P/Hartley © by Bernhard Haeusler, Germany

103P/Hartley  © by Bernhard Haeusler, 2010-08-21 B/W  

24 x 1 min. exposure, 2010-08-21 UT 02:14, 12" SCT  f-5.65 + CCD ST-10XME
13.24 mag (60x60 box), coma: 11', tail: 2' in PA218


David Cardeñosa found some arcs in the tail on his images of August,20.99 and posted his observation to the Comet Mailing List #16681.
I could confirm his observation on my images of the same day: ML #16682.

103P/Hartley © by Bernhard Haeusler, Germany    

103P/Hartley  © by Bernhard Haeusler, 2010-08-20 B/W  

50 x 1 min. exposure, 2010-08-20 UT 01:22, 12" SCT  f-5.65 + CCD ST-10XME
13.42 mag (60x60 box), coma: 11', tail: 2' in PA218


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