117P/Helin-Roman-Alu 1

117P/Helin-Roman-Alu 1 2013 May 18 21:40 UT, 8x4min, 250mm f/3.6 ASA Astrograph, SBIG 8300M Bin2x2 Roland Fichtl
117P/Helin-Roman-Alu 1 2013 May 14 21:55 UT, 4x3min Light Bin2x2, ASA Astrograph 250mm f/3.6, SBIG 8300M Roland Fichtl
117P/Helin-Roman-Alu 1 2013 May 14 22:06 - 22:20 UT, 8"-SCT mit Fokal-Reducer, Canon EOS 5D Mark II, 16 x 40s (ISO 3200), ca. 15,8 mag Michael Hauss
117P/Helin-Roman-Alu 1 2012 April 23 22:17 UTC, C14 f/7.4, 180 sec.Clear, FLI, (c) Bradford Robotic Telescope Michael Hauss
117P/Helin-Roman-Alu 1 2012 April 22 22:08 UTC, C14 f/7.4, 180 sec.Clear, FLI, (c) Bradford Robotic Telescope Michael Hauss
117P/Helin-Roman-Alu 1 2012 April 21 22:18 UTC, C14 f/7.4, 180 sec.Clear, FLI, (c) Bradford Robotic Telescope Michael Hauss
117P/Helin-Roman-Alu 1 2012 March 20 UT, 20.28 10"/4.8 FLI 8300 CCD 5x300 sec.2x2 bin Michael Jäger
117P/Helin-Roman-Alu 1 2012 February 26 01:02 UTC, C14 f/7.4, 180 sec.Clear, (c) Bradford Robotic Telescope Michael Hauss
117P/Helin-Roman-Alu 1 2006 May 28 01.25 UT ASA Astrograph 8" f/2.7 Michael Jäger + Gerald Rhemann
117P/Helin-Roman-Alu 1 2005 May 27 21.30 UT Schmidtcamera 10" f=450mm, SXVH-9 CCD 5 x 110 sec. Michael Jäger + Gerald Rhemann