Sanner J., Angelow S., Chaumont F., Heimann L., Lawida M., Pollitt A., Pröls J., Ronken K., Sänger S., 2011,
The Minor Planet Electronic Circulars 2011-U42,
Positions of comets 21P/Giacobini-Zinner, C/2009 P1 (Garradd), and C/2009 Y1 (Catalina)
Observatory: Hoher List (code: 017)
Telescope: 1 m Cassegrain telescope
Detector: 2000 * 1000 CCD Chip
Scale: 1"/Pix
CK09P010 2011 08 19.93289 20 23 16.33 +17 41 49.2 017
CK09P010 2011 08 19.93394 20 23 16.06 +17 41 50.0 017
CK09P010 2011 08 19.93495 20 23 15.81 +17 41 50.7 017
CK09P010 2011 08 19.93598 20 23 15.55 +17 41 51.6 017
CK09P010 2011 08 19.93701 20 23 15.28 +17 41 52.4 017
CK09P010 2011 08 20.94013 20 19 01.87 +17 54 23.9 017
CK09P010 2011 08 20.94344 20 19 01.12 +17 54 25.9 017
CK09P010 2011 08 20.94447 20 19 00.86 +17 54 26.7 017
CK09P010 2011 08 20.94550 20 19 00.60 +17 54 27.5 017
CK09P010 2011 08 20.94653 20 19 00.35 +17 54 28.2 017
CK09P010 2011 08 20.94756 20 19 00.08 +17 54 29.0 017
CK09P010 2011 08 21.96454 20 14 43.17 +18 06 33.3 017
CK09P010 2011 08 21.96557 20 14 42.88 +18 06 34.2 017
CK09P010 2011 08 21.96659 20 14 42.67 +18 06 33.8 017
CK09P010 2011 08 21.96866 20 14 42.12 +18 06 36.3 017
CK09Y010 2011 08 21.03133 23 11 13.61 -14 03 00.8 017
CK09Y010 2011 08 21.03572 23 11 13.24 -14 03 07.4 017
CK09Y010 2011 08 21.04010 23 11 12.88 -14 03 14.6 017
CK09Y010 2011 08 21.04449 23 11 12.47 -14 03 21.9 017
CK09Y010 2011 08 21.04888 23 11 12.13 -14 03 27.9 017
0021 2011 08 20.84919 15 21 51.79 +10 42 51.7 017
0021 2011 08 20.85358 15 21 52.05 +10 42 48.9 017
0021 2011 08 20.85796 15 21 52.17 +10 42 46.7 017
0021 2011 08 20.86235 15 21 52.34 +10 42 44.6 017
0021 2011 08 20.86674 15 21 52.49 +10 42 42.3 017
0021 2011 08 21.84020 15 22 31.73 +10 34 40.3 017
0021 2011 08 21.84458 15 22 31.86 +10 34 38.2 017
0021 2011 08 21.85310 15 22 32.26 +10 34 34.2 017
0021 2011 08 21.85749 15 22 32.39 +10 34 32.0 017