|
* * * * * 21P/Giacobini-Zinner * * * * *
Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2018 11 30.65 S 11.3 TJ 40.0L 144 1.3 3 YOS Kita-karuizawa, Gunma (Diffuse and hard to see.) 2018 11 11.25 S 11.6 AQ 22.0L 160 1.5 2/ GOI Araçatuba 2018 11 8.50 S 11.4 AQ 25.0L 83 3 1/ WYA Walcha, NSW (Difficult to see, crowded star field. Low altitude 16.6°. Poor seeing. Coma shows very slight centre, very faint and diffuse outer coma.) 2018 11 5.17 S 11.6 AQ 22.0L 160 1.5 2/ GOI Araçatuba 2018 11 3.74 S 11.7 TJ 40.0L 75 1.6 1 YOS Kita-karuizawa, Gunma (It became surprisingly faint and small only within one month.) 2018 11 1.75 M 12.2 AQ 40.6L 165 1.0 3 CAM Katherine, NT 2018 10 22.23 S 10.0:TK 22.0L 160 2.5 3 GOI Araçatuba (Moonlight. Very close to a star of magn. 8.3.) 2018 10 20.17 S 10.1 TK 20.3T 77 2.5 3 GON Alto del Castro, León 2018 10 16.17 S 10.0 TK 20.3T 77 3 3 GON Alto del Castro, León 2018 10 13.23 S 9.0 TK 10.0B 20 4 3/ GOI Araçatuba 2018 10 11.14 S 10.0 TK 35.6T 98 & 3 1 SCH Bussloo (Weak diffuse comet. Altitude 20°.) 2018 10 9.82 M 8.8 TK 40.6L 76 4 3/ CAM Katherine, NT 2018 10 8.127 M 8.5 TK 8.0B 15 6 2/ DIJ Burlage 2018 10 7.83 M 8.7 TK 8.0R 36 3 3 CAM Katherine, NT 2018 10 7.72 S 8.9 TJ 40.0L 36 5.5 3/ YOS Kita-karuizawa, Gunma (It became faint. It was located very close to open cluster M50, and I enjoyed the rendezvous.) 2018 10 6.83 M 8.7 TK 8.0R 36 3 3 CAM Katherine, NT 2018 10 6.76 S 9.0 TJ 40.0L 36 5 4 YOS Kita-karuizawa, Gunma 2018 10 6.25 S 8.9 TK 22.0L 60 4.5 4/ GOI Araçatuba 2018 10 6.24 S 8.8 TK 10.0B 20 5 4 GOI Araçatuba 2018 10 4.83 M 8.6 TK 8.0R 36 3 4 CAM Katherine, NT 2018 10 4.11 S 8.5 TK 10.0B 25 3 5 0.3 280 GON Alto del Castro, León (Moonlight interference [phase 0.31]. Altitude 22°.) 2018 10 3.84 M 8.5 TK 8.0R 36 3 4/ CAM Katherine, NT 2018 9 30.83 M 8.3 TK 8.0R 36 3 4 CAM Katherine, NT 2018 9 29.82 M 8.2 TK 8.0R 36 3 4 CAM Katherine, NT 2018 9 28.83 M 8.2 TK 8.0B 20 3 4 CAM Katherine, NT 2018 9 24.170 S 8.6 TK 10.0B 14 1.0 6 LOO Genk (Strong twilight.) 2018 9 24.153 M 7.9 TK 8.0B 15 4.5 3/ DIJ Burlage 2018 9 23.84 M 8.0 TK 8.0B 20 5 4 CAM Katherine, NT 2018 9 23.20 S 7.8 TK 10.0B 25 5 5/ 1.1 280 GON Alto del Castro, León 2018 9 22.84 M 8.2 TK 8.0R 36 4 4 CAM Katherine, NT 2018 9 21.81 M 8.0 TK 8.0B 20 5 4/ CAM Katherine, NT 2018 9 20.83 M 8.0 TK 8.0B 20 4 4 CAM Katherine, NT 2018 9 20.148 S 8.5 TK 10.0B 14 1.5 5 LOO Genk 2018 9 19.82 M 7.8 TK 8.0B 20 4 5 CAM Katherine, NT 2018 9 19.18 S 7.6 TK 5.0B 10 6 6/ 0.6 280 GON Aralla, León (Zodiacal light.) 2018 9 19.132 S 8.4 TK 10.0B 14 1.5 5 LOO Genk 2018 9 19.11 S 7.8 TK 8.0B 15 &10 6 SCH Eerbeek (In 20.0L at 42x, tail of about 0.2° in p.a. 280 degrees.) 2018 9 19.091 M 7.7 HI 8.0B 15 6 4/ 0.4 275 BOU Sint Annen 2018 9 18.82 M 7.4 TK 8.0R 36 5 6 CAM Katherine, NT 2018 9 18.76 M 8.5 TK 25.0L 39 4.8 5/ 23m 280 WYA Walcha, NSW (Coma enhances well in Swan band filter. Faint tail visible. Strongly condensed central condensation, opaque fan-shaped outer coma to the West approximately tapering in brightness to the edges. Beautiful!) 2018 9 18.135 S 8.4 TK 10.0B 14 2.0 5 LOO Genk 2018 9 17.71 S 6.8 TJ 7.0R 10 13 6 YOS Kita-karuizawa, Gunma 2018 9 17.70 M 7.7 TJ 40.0L 36 8 7 13m 275 YOS Kita-karuizawa, Gunma (Bright! Strongly condensed, but it has a large diffuse coma. It looks very nice with a long tail.) 2018 9 17.149 S 8.5 TK 32.0L 57 2.0 5 LOO Genk 2018 9 17.003 M 7.7 TK 8.0B 15 3.5 3/ DIJ Burlage 2018 9 16.83 M 7.2 TK 8.0R 36 5 6 CAM Katherine, NT 2018 9 16.67 S 6.9 TJ 7.0R 10 11 6 YOS Kita-karuizawa, Gunma 2018 9 16.67 M 8.1 TJ 40.0L 36 6 7 8.5m 275 YOS Kita-karuizawa, Gunma 2018 9 16.106 S 8.2 TK 10.0B 14 1.0 6 LOO Genk 2018 9 15.83 M 7.1 TK 8.0B 20 6 5 CAM Katherine, NT 2018 9 14.975 M 7.7 TK 8.0B 15 3.5 4 0.2 276 DIJ Burlage 2018 9 14.84 M 7.0 TK 8.0R 36 5 6 CAM Katherine, NT 2018 9 14.085 S 7.8 TK 10.0B 14 1.5 6 LOO Genk 2018 9 14.08 S 7.7 TK 8.0B 15 & 8 6 0.1 275 SCH Eerbeek 2018 9 13.83 M 7.0 TK 8.0B 20 4 5 CAM Katherine, NT 2018 9 13.75 S 7.2 AA 10.0B 25 4 0.2 270 SEA Cowra, NSW (Somewhat enhanced through Swan Band filter.) 2018 9 13.082 M 7.3 HI 8.0B 15 7 5 0.4 270 BOU Sint Annen 2018 9 13.035 M 7.6 TK 8.0B 15 4.5 4/ 0.3 272 DIJ Burlage 2018 9 12.82 M 7.0 TK 8.0B 20 5 5 CAM Katherine, NT 2018 9 12.073 S 7.5 TK 10.0B 14 2 6 LOO Genk 2018 9 11.84 M 7.0 TK 8.0R 36 5 6 CAM Katherine, NT 2018 9 11.34 M 7.3 TK 10.0B 20 6 5 0.25 270 GOI Araçatuba 2018 9 11.028 S 7.6 TK 10.0B 14 2 6 LOO Genk 2018 9 10.81 M 7.2 TK 8.0R 36 4 6 CAM Katherine, NT 2018 9 10.16 S 7.2 TK 5.0B 10 7 6/ 2.1 280 GON Aralla, León (Zodiacal light.) 2018 9 10.073 S 7.6 TK 10.0B 14 1.5 6 LOO Genk 2018 9 9.78 M 8.0:TK 25.0L 39 4.2 6 19m 282 WYA Walcha, NSW (Magnitude uncertain due to background star in coma. Coma enhances well in Swan Band filter. Faint, slightly curved tail visible [concave side to the North]. Slight twilight interference. Rapid motion noticeable. Inner coma opaque and oval in shape, fades into tail extremity. Central condensation well condensed with a faint stellar pseudo-nucleus.) 2018 9 9.33 M 7.2 TK 10.0B 20 6 5/ 0.25 270 GOI Araçatuba 2018 9 9.108 S 7.4 TK 10.0B 14 1.5 6 LOO Genk 2018 9 8.04 S 7.1 TK 8.0B 15 &10 5 0.3 270 SCH Eerbeek 2018 9 8.000 M 7.1 TK 8.0B 15 8 5 0.5 275 DIJ Burlage 2018 9 7.83 M 7.0 TK 8.0B 20 5 5 CAM Katherine, NT 2018 9 7.094 S 7.8 TK 5.0B 10 2 5 LOO Genk 2018 9 6.83 M 7.0 TK 8.0R 36 5 6 CAM Katherine, NT 2018 9 5.83 M 7.4 TK 8.0R 36 6 5 CAM Katherine, NT 2018 9 5.35 M 7.3 TK 10.0B 20 6 5 0.25 270 GOI Araçatuba (Moonlight.) 2018 9 4.83 M 7.3 TK 8.0B 20 4 5 CAM Katherine, NT 2018 9 3.83 M 7.5 TK 8.0R 36 4 5 CAM Katherine, NT 2018 9 2.877 M 7.4 HI 8.0B 15 7 5 0.35 265 BOU Sint Annen 2018 9 2.82 M 7.6 TK 8.0B 20 5 5 CAM Katherine, NT 2018 9 1.93 S 7.4 TK 5.0B 10 5 6/ GON Alto del Castro, León 2018 9 1.92 S 7.7 TK 10.0B 25 5 6 0.3 270 GON Alto del Castro, León (Altitude 13°.) 2018 9 1.90 S 7.4 TK 8.0B 15 & 8 5 SCH Eerbeek (Slightly hazy. Just after moonrise.) 2018 9 1.863 M 7.4 HI 8.0B 15 6.5 5/ 0.3 270 BOU Sint Annen 2018 9 1.861 M 7.5 TK 8.0B 15 7 5 0.2 278 DIJ Burlage 2018 9 1.83 M 7.7 TK 8.0B 20 6 4/ CAM Katherine, NT 2018 8 31.861 M 7.4 TK 8.0B 15 7 4/ 0.4 273 DIJ Burlage 2018 8 31.853 M 7.4 HI 8.0B 15 6 5 BOU Sint Annen 2018 8 31.83 M 7.8 TK 8.0B 20 5 4 CAM Katherine, NT 2018 8 30.857 M 7.3 TK 8.0B 15 6.9 5/ 0.5 270 DIJ Burlage (Moonlight.) 2018 8 27.35 S 7.3 TK 10.0B 20 5 5 GOI Araçatuba (Moonlight. Comet altitude 13°.) 2018 8 20.938 M 7.5 TK 8.0B 15 7 5 0.4 257 DIJ Burlage 2018 8 20.03 S 7.5 TK 5.0B 10 6 6/ GON Alto del Castro, León 2018 8 20.02 S 7.8 TK 10.0B 25 5 6 0.4 260 GON Alto del Castro, León 2018 8 19.073 S 8.0 TK 10.0B 14 1 6 LOO Genk 2018 8 18.986 M 7.6 TK 8.0B 15 6.5 5 0.35 255 DIJ Burlage 2018 8 18.931 M 7.4 HI 8.0B 15 8 5 0.3 255 BOU Sint Annen 2018 8 18.027 S 7.8 TK 10.0B 14 2 6 LOO Genk 2018 8 17.936 M 7.4 HI 5.0B 10 8 4/ BOU Sint Annen 2018 8 17.929 M 7.5 HI 15.6L 24 7 5 0.25 250 BOU Sint Annen 2018 8 17.901 M 7.7 TK 8.0B 15 5.9 5 0.2 256 DIJ Burlage 2018 8 17.90 S 7.4 TK 8.0B 15 10 5 SCH Bussloo (Cirrus-clouds.) 2018 8 16.895 M 7.6 TK 8.0B 15 6.5 5/ 0.2 257 DIJ Burlage 2018 8 16.097 S 7.6 TK 10.0B 14 2.5 4 LOO Genk 2018 8 15.98 S 7.4 TK 5.6B 8 11 4 SCH Eerbeek 2018 8 15.906 M 7.9 TK 8.0B 15 6 5 0.2 253 DIJ Burlage 2018 8 14.93 S 7.8 TK 5.0B 10 8 6 GON Alto del Castro, León 2018 8 14.92 S 8.1 TK 10.0B 25 6 5/ 0.6 260 GON Alto del Castro, León 2018 8 13.889 M 7.8 TK 8.0B 15 6.7 5/ 0.2 253 DIJ Burlage 2018 8 13.85 S 7.7 TK 8.0B 15 11 5 SCH Eerbeek 2018 8 13.84 M 7.8 TK 8.0B 20 7 4/ CAM Katherine, NT 2018 8 12.84 M 7.8 TK 8.0B 20 8 5 CAM Katherine, NT 2018 8 12.04 S 7.9 TK 5.6B 8 12 5 SCH Bussloo 2018 8 11.95 S 7.9 TK 5.0B 10 7 6 GON Alto del Castro, León 2018 8 11.94 S 8.1 TK 10.0B 25 7 5/ 0.4 250 GON Alto del Castro, León 2018 8 11.927 M 8.0 TK 8.0B 15 7 5 0.2 240 DIJ Burlage 2018 8 11.89 B 9.1 TJ 10.0B 25 2.5 3 LEG Gliwice (Mostly cloudy. Poor transparency.) 2018 8 11.82 M 7.8 TK 8.0B 20 8 5 CAM Katherine, NT 2018 8 10.84 M 7.9 TK 8.0B 20 8 4 CAM Katherine, NT 2018 8 9.93 S 8.6 TK 10.0B 25 6 5/ GON Alto del Castro, León 2018 8 9.92 S 9.0 TK 20.3T 77 6 5/ 0.2 250 GON Alto del Castro, León 2018 8 9.907 M 8.1 TK 8.0B 15 6.5 5 DIJ Burlage 2018 8 8.919 M 8.0 TK 15.6L 24 6.5 5 0.2 225 BOU Sint Annen 2018 8 8.91 S 8.2 TK 8.0B 15 &11 3 SCH Eerbeek 2018 8 8.82 M 8.0 TK 8.0B 20 8 4 CAM Katherine, NT 2018 8 7.94 S 8.0 TK 5.0B 10 12 6 GON Alto del Castro, León 2018 8 7.93 S 8.5 TK 10.0B 25 7 5/ GON Alto del Castro, León 2018 8 7.92 S 8.9 TK 20.3T 77 7 5 0.15 250 GON Alto del Castro, León 2018 8 7.917 M 8.3 TK 8.0B 15 6.4 5 DIJ Burlage 2018 8 7.82 M 8.0 TK 8.0B 20 6 5 CAM Katherine, NT 2018 8 6.93 S 8.5 TK 8.0B 15 & 8 3 SCH Eerbeek (In 20.0L at 42x, diffuse with central condensation. Hint of tail in p.a. 240 deg.) 2018 8 6.91 S 8.3 TK 10.0B 25 5 6 DeS Beert 2018 8 6.908 M 8.5 TK 8.0B 15 5 5 DIJ Burlage 2018 8 6.901 M 8.3 TK 15.6L 24 5.5 5 BOU Sint Annen 2018 8 6.901 S 8.9 TK 10.0B 14 2.5 6 LOO Genk 2018 8 5.936 M 8.5 TK 8.0B 15 4.5 5 DIJ Burlage 2018 8 5.903 M 8.3 TK 15.6L 24 4.5 5 BOU Lauwersoog 2018 8 5.892 S 8.9 TK 10.0B 14 2.5 6 LOO Genk 2018 8 4.933 M 8.5 TK 8.0B 15 4 5/ DIJ Burlage 2018 8 3.965 M 8.7 TK 8.0B 15 5.5 5 DIJ Burlage 2018 8 3.91 S 8.8 TK 8.0B 15 & 6 3 SCH Bussloo (Comet close to star of magn. 8.6. In 35.6T at 98x, hint of weak tail.) 2018 8 2.918 M 8.6 TK 8.0B 15 5.5 5 DIJ Burlage 2018 8 2.896 S 9.1 TK 10.0B 25 2 6 LOO Genk 2018 8 1.92 S 9.3 TK 20.3T 77 5 5 GON Alto del Castro, León 2018 8 1.906 S 9.2 TK 32.0L 57 2 6 LOO Genk 2018 7 31.896 S 8.9 TK 32.0L 57 2 6 LOO Genk 2018 7 30.930 S 9.4 TK 32.0L 57 2 6 LOO Genk 2018 7 24.072 S 9.7 TK 32.0L 57 2.0 4 LOO Genk 2018 7 22.84 M 8.9 TK 40.6L 76 2 5 CAM Katherine, NT 2018 7 22.10 S 9.5 TK 20.3T 77 4 4 GON Quintanilla de los Oteros, León 2018 7 22.067 S 10.1 TK 32.0L 57 2.0 5 LOO Genk 2018 7 21.92 B 9.9 TT 12.7T 60 2 2 LEG Gliwice 2018 7 21.83 M 9.0 TK 40.6L 76 3 6 CAM Katherine, NT 2018 7 20.83 M 9.8 TK 40.6L 76 3 6 CAM Katherine, NT 2018 7 19.066 S 10.1 TK 32.0L 57 2.0 5 LOO Genk 2018 7 18.994 S 9.7 TK 15.5L 29 4.3 4/ DIJ Burlage 2018 7 18.062 S 10.4 AC 32.0L 57 2.5 5 LOO Genk 2018 7 18.04 S 9.9 TK 20.3T 77 4 4 GON Alto del Castro, León 2018 7 17.970 S 9.9 TA 15.5L 42 2.5 4/ DIJ Burlage 2018 7 17.958 M 9.7 TK 25.4J 47 3.5 5 BOU Sint Annen 2018 7 17.82 M 10.0 TK 40.6L 76 1.5 6 CAM Katherine, NT 2018 7 16.978 S 10.0 TA 15.5L 42 3.5 4 DIJ Burlage 2018 7 16.958 M 9.8 TK 25.4J 47 3.5 4/ BOU Sint Annen 2018 7 16.81 M 10.0 TK 40.6L 76 2.0 6 CAM Katherine, NT 2018 7 15.996 M 9.9 TK 25.4J 58 3 4/ BOU Sint Annen 2018 7 15.920 S 10.3 TA 15.5L 42 3.5 4 DIJ Burlage 2018 7 14.974 M 9.9 TK 25.4J 47 3 4/ BOU Sint Annen 2018 7 14.928 S 10.2 TA 15.5L 42 3.3 4 DIJ Burlage 2018 7 13.50 S 10.0 TJ 40.0L 36 4 5 YOS Kita-karuizawa, Gunma (Very bright. Very strongly condensed with higher magnification.) 2018 7 11.972 S 10.2 TA 15.5L 42 3 4 DIJ Burlage 2018 7 10.970 M 10.3 AQ 25.4J 58 2.5 4 BOU Sint Annen 2018 7 10.73 S 10.5 TK 40.6L 76 2.5 4 CAM Katherine, NT 2018 7 9.97 S 10.3 TK 20.3T 77 3.5 3/ GON Alto del Castro, León 2018 7 7.990 S 10.3 TA 15.5L 42 3 3/ DIJ Burlage 2018 7 7.968 M 10.5 AQ 25.4J 58 2.5 4 BOU Sint Annen 2018 7 3.97 S 10.2 TK 20.3T 77 3.5 3 GON Villar del Yermo, León 2018 6 24.81 S 12.0 AQ 40.6L 165 2 5 CAM Katherine, NT 2018 6 23.77 S 12.1 AQ 40.6L 165 2 4/ CAM Katherine, NT 2018 6 23.73 M 12.2 AQ 25.0L 83 1.5 3/ WYA Walcha, NSW (Low altitude 12.5°. Difficult due to faint background star in coma.) 2018 6 22.73 M 12.3 AQ 25.0L 83 1 6 WYA Walcha, NSW (Difficult due to nearby star. Low altitude 12.9°.) 2018 6 21.76 S 12.2 AQ 40.6L 165 1.5 3/ CAM Katherine, NT 2018 6 19.78 S 12.4 AQ 40.6L 165 2 4 CAM Katherine, NT 2018 6 17.80 S 12.6 AQ 40.6L 165 1.5 3 CAM Katherine, NT 2018 6 13.74 S 12.5 AQ 25.0L 83 1.2 3 WYA Walcha, NSW (Coma diffuse with brightening to weakly condensed centre. Low altitude 18.3°.) 2018 6 13.02 S 12.2 AQ 20.3T 133 1.5 3/ GON Pandorado, León 2018 6 11.72 S 12.5 AQ 25.0L 83 1.5 3 WYA Walcha, NSW (Low altitude 19.8°. Diffuse, difficult to see in crowded star field, slight brightening to centre.)
2011 12 27.69 V 11.5 TK 10.9R 2.8 QVA Borrevannet, Horten 2011 12 22.78 S 9.3 TK 20.3T 77 9 3 GON Collada del Fresno - Sierra del Aramo, Asturias (Significantly brighter than expected. Large and diffuse outer coma. Altitude: 11°. Mountain location, very clear sky.) 2011 11 25.37 S 12.2 TA 40.0L 144 1.3 4 YOS Kita-karuizawa, Gunma (Well visible with a clear sky.) 2011 11 24.38 S[12.1 TA 40.0L 144 !1.3 YOS Kita-karuizawa, Gunma 2011 11 17.78 S 12.2 TA 20.3T 133 1.5 4 GON Angliru - Sierra del Aramo, Asturias (Altitude 18°.)
2005 10 24.80 S[12.5 AU 40.0L 144 !0.8 YOS Gunma, Japan (Getting higher, but already too faint to see. It has gone while I could not observe it on several cloudy nights.) 2005 10 11.73 13.2 28.0T 133 1 4 MAT Stockport Observatory, SA 2005 8 5.77 S 10.4 TJ 40.0L 144 2.3 3/ YOS Gunma, Japan (Extremely low, and the comet is very faint, so hard to see. Somewhat condensed. It was much easier to see in spring when it located high.) 2005 8 4.12 S 11.2 TK 40.7L 116 1.3 4 BIV Valdrôme 2005 8 2.14 S 10.4 TK 20.3T 100 3 4 GON Alto del Castro - Aralla, León 2005 7 31.11 S 10.5 TK 40.7L 58 1.5 4 BIV Valdrôme 2005 7 28.76 S 9.9:TJ 40.0L 144 1.7 3/ YOS Gunma, Japan (Low, the sky was dim, and hard to see. More diffused than I thought.) 2005 7 19.13 S 9.8 TK 20.3T 77 4 4 GON Alto del Castro - Aralla, León 2005 7 16.12 S 9.8 TK 20.3T 77 4 4 GON Alto del Castro - Aralla, León 2005 7 15.097 S 10.3 TK 31.0J 72 1.8 3 DIJ Revest-du-Bion, France 2005 7 15.096 S 10.6 TK 31.0J 72 2.4 3/ BOU Revest-du-Bion, France 2005 7 14.089 S 10.7 TK 31.0J 72 1.4 2 DIJ Revest-du-Bion, France 2005 7 14.086 S 10.6 TK 31.0J 72 1.8 3 BOU Revest-du-Bion, France 2005 7 11.078 S 10.5 TK 31.0J 72 2.0 4 BOU Revest-du-Bion, France 2005 7 11.075 S 10.6 TK 31.0J 72 2.0 2 DIJ Revest-du-Bion, France 2005 7 10.13 S 10.6 TK 20.3T 67 2.5 5 0.1 280 BIV Pico-Veleta, Spain 2005 7 9.13 S 10.5 TK 20.3T 67 2.3 6 0.1 280 BIV Pico-Veleta, Spain 2005 7 9.087 S 10.4 TK 31.0J 72 2.0 4/ BOU Revest-du-Bion, France 2005 7 9.083 S 10.1 TK 31.0J 72 1.4 4 DIJ Revest-du-Bion, France 2005 7 8.15 S 10.3 TK 20.3T 67 2.0 6 0.1 285 BIV Pico-Veleta, Spain 2005 7 7.14 S 10.2 TK 20.3T 67 2.2 6 0.13 270 BIV Pico-Veleta, Spain 2005 7 6.14 S 10.5 TK 20.3T 67 2.5 7 0.10 270 BIV Pico-Veleta, Spain 2005 7 6.11 S 9.4 TK 20.3T 77 4 4 0.1 280 GON Alto del Trichero - Soto y Amío, León 2005 7 6.081 S 9.9 TK 31.0J 58 1.5 4/ DIJ Revest-du-Bion, France 2005 7 6.078 M 10.2 TK 31.0J 58 2 4/ BOU Revest-du-Bion, France 2005 7 3.13 S 10.4 TK 20.3T 67 2.5 6 0.1 270 BIV Pico-Veleta, Spain 2005 7 3.11 S 9.4 TK 20.3T 77 4 4 GON Alto del Castro - Aralla, León (Mountain location, clear sky. Altitude: 11 deg.) 2005 7 2.14 S 10.3 TK 20.3T 67 2.5 5 0.10 275 BIV Pico-Veleta, Spain 2005 7 2.12 S 9.7 TK 20.3T 77 3 4 GON Alto del Castro - Aralla, León (Mountain location, clear sky. Altitude: 12 deg. Strong interference from the nearby Moon. Coma enhanced through Swan band filter.) 2005 6 16.10 S 9.6 TK 10.0B 25 3.5 4 GON Alto del Castro - Aralla, León 2005 6 16.09 S 9.9 TK 20.3T 77 3.0 5 GON Alto del Castro - Aralla, León 2005 6 12.07 S 10.5 TK 40.7L 116 1.5 6 0.05 260 BIV Ablis 2005 6 6.11 S 10.2 TK 20.3T 77 3.0 4 GON Alto del Castro - Aralla, León 2005 6 3.08 S 10.7 TK 40.7L 58 1.8 5 BIV Ablis 2005 6 2.09 S 10.5 TK 20.3T 77 2.5 4 GON Alto del Trichero - Soto y Amío, León 2005 5 31.06 S 10.6 TK 40.7L 58 1.5 5 BIV Ablis 2005 5 18.12 S 11.2 TK 20.3T 100 2.5 5 GON Alto del Trichero - Soto y Amío, León 2005 5 13.049 S 11.5 AU 31.0J 89 1.6 2 DIJ Sint Annen 2005 5 13.047 S 11.3 AU 31.0J 89 1.8 3 BOU Sint Annen 2005 5 12.83 S 11.5:TK 10.0B 25 2 3 MAT Stockport Observatory, SA 2005 5 12.10 S 11.6:TK 40.7L 116 1.5 5 BIV Poigny-la-Forêt 2005 5 8.057 S 11.9:AU 25.4J 88 1 2 DIJ Sint Annen 2005 5 8.050 S 11.7 AU 25.4J 88 1.5 4 BOU Sint Annen 2005 5 7.14 S 11.8 TK 20.3T 100 2.3 5 GON Sierra del Aramo, Asturias 2005 5 7.10 S 11.1 TK 20.3T 67 2.4 5 0.07 260 BIV Pico-Veleta, Spain 2005 5 6.12 S 11.4 TK 20.3T 67 2.0 5 0.07 260 BIV Pico-Veleta, Spain 2005 5 5.066 S 11.9 AU 25.4J 88 1.2 4 BOU Sint Annen 2005 5 4.76 S 11.7:AU 40.0L 144 0.8 3 YOS Gunma, Japan (Through dim clouds, so probably inaccurate. My observation on May 3 must be accurate.) 2005 5 3.74 S 12.1 AU 40.0L 144 1.1 4 YOS Gunma, Japan (Already very bright, easy to see. The condensation is not so strong, that is very different from the cases of 78P or 9P at the beginning.) 2005 5 2.15 B 12.3 TK 20.3T 100 0.8 6 GON Sierra del Aramo, Asturias (Mountain location, very clear sky. Some moonlight interference. Motion checked during a 1-hour period.) 2005 4 5.78 S[12.4 AU 40.0L 144 !0.7 YOS Ibaraki, Japan (Not visible. The sky was dim, not clear. Interference by a magn. 14.3 star located near the position of the comet.)