117P/Helin-Roman-Alu |
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| Large Version | |
| 2017 January 31 20:48:10 UT, 2100s exp.(34х60s), 0.7-m (f/4) L1 + PL47-10 FLI + R filter, 0.95"/pixel. m1=18.3, Coma 10", DC 3. Fan-shaped tail 40" long. spead in p.a. 238-328 deg., more braight in p.a. 244 deg. Kyiv | |
| © 2017 Alexander Baransky, Ukraine | |