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* * * * * C/2015 V2 (Johnson) * * * * *
Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2018 1 17.44 S 12.9 AQ 25.0L 83 1.4 3 WYA Walcha, NSW (Coma diffuse, central condensation weak and opaque. Low altitude 17.9°.) 2018 1 16.45 S 13.5 AQ 25.0L 83 1.6 3 WYA Walcha, NSW (Coma very diffuse. Low altitude 17.0°.) 2018 1 14.45 M 13.0 AQ 25.0L 83 1.4 4 WYA Walcha, NSW (Coma diffuse, moderately condensed opaque centre. Low altitude 17.3°.) 2018 1 5.44 S 13.5 AQ 25.0L 83 0.9 2/ WYA Walcha, NSW (Coma very diffuse.) 2017 12 7.43 M 13.5 AQ 25.0L 166 1.1 5/ WYA Walcha, NSW (Coma diffuse, with faint stellar central condensation in periods of good seeing.) 2017 11 9.46 S 12.4 AQ 25.0L 83 1.1 3 WYA Walcha, NSW (Coma diffuse, close to stars. Does not enhance in Swan Band filter.) 2017 10 19.45 S 12.2 AQ 25.0L 83 1.7 2 WYA Walcha, NSW (Coma diffuse, slight brightening to centre but very weak.) 2017 10 12.40 S 12.3 AQ 25.0L 83 1.7 4 WYA Walcha, NSW (Coma does not enhance in Swan Band filter. Coma small with a moderately condensed and opaque centre.) 2017 9 22.47 S 10.9 AQ 25.0L 39 3.9 2 WYA Walcha, NSW (Coma diffuse, slight interference by background star in coma.) 2017 9 19.43 S 11.4:AQ 25.0L 39 3.3 2/ WYA Walcha, NSW (Magnitude uncertain. Stars in coma. Coma very diffuse.) 2017 9 15.41 S 11.0:AQ 25.0L 39 2.4 3 WYA Walcha, NSW (Magnitude uncertain. Close to bright star pairing, difficult to separate from stars. Coma diffuse with opaque centre.) 2017 9 7.93 S 10.4 TK 22.0L 60 3 3 GOI Araçatuba 2017 8 23.43 M 10.3 TK 25.0L 39 4.2 5 WYA Walcha, NSW (Coma diffuse, opaque centre.) 2017 8 22.04 S 9.7 TK 22.0L 60 4 3 GOI Araçatuba 2017 8 19.42 M 10.5 TK 25.0L 39 3.5 5 WYA Walcha, NSW (Coma diffuse, moderately condensed centre. Enhances slightly in Swan band filter.) 2017 8 17.41 M 10.1 TK 25.0L 39 3.2 5 WYA Walcha, NSW (Coma centre well condensed. Enhances slightly in Swan band filter.) 2017 8 14.43 M 10.1 TK 25.0L 39 4.8 5/ WYA Walcha, NSW (Coma diffuse, faintly extended to the North approximately. Faint stellar central condensation visible in periods of good seeing. Dims in Swan Band filter.) 2017 8 12.39 M 9.9 TK 25.0L 39 4.5 5/ WYA Walcha, NSW (Coma fanned to the North approximately. Opaque inner coma with faint stellar central condensation visible in periods of good seeing.) 2017 8 11.43 S 10.0:AQ 40.6L 76 3.0 3 CAM Katherine, NT (Involved with 11th mag star, m1 somewhat uncertain.) 2017 8 10.97 S 9.2 TK 22.0L 60 6 2 GOI Araçatuba 2017 8 10.44 M 10.1 AQ 40.6L 76 2.0 5/ CAM Katherine, NT 2017 8 10.36 M 9.8 TK 25.0L 39 3 5/ WYA Walcha, NSW (Outer coma diffuse and appears fan shaped to the North approximately. Inner coma opaque with small faint stellar central condensation visible in periods of good seeing. Coma dims slightly in Swan Band filter.) 2017 7 27.52 S 8.9 TK 8.0B 20 8 3 CAM Katherine, NT 2017 7 26.54 S 9.0 TK 8.0B 20 6 3 CAM Katherine, NT 2017 7 26.06 S 8.5 TK 10.0B 20 7 3 GOI Araçatuba 2017 7 25.42 M 9.6 TK 25.0L 39 4 6 WYA Walcha, NSW (Coma dims in Swan Band filter, elongated slightly to the NE. Faint stellar central condensation surrounded by an opaque inner coma and fading to semi-transparent outer coma.) 2017 7 24.48 S 8.9 TK 8.0R 36 7 3 CAM Katherine, NT 2017 7 22.92 S 7.8 TK 10.0B 25 8 3 GON Alto del Trichero - Soto y Amío, León (Altitude 7°. Several stars in coma, the brightest being mag 9.4.) 2017 7 20.49 S 8.5 TK 8.0R 36 8 4 CAM Katherine, NT 2017 7 20.42 M 8.8 TK 7.0B 11 10.3 3 WYA Walcha, NSW (Coma diffuse, moderately condensed centre.) 2017 7 15.00 S 8.2 TK 10.0B 20 8 3 GOI Araçatuba 2017 7 14.93 S 7.7 TK 10.0B 25 10 3/ GON Alto del Castro - Aralla, León 2017 7 11.38 S 8.5 TK 5.0B 7 16 3 WYA Walcha, NSW (Coma diffuse, slight brightening to centre. Moonlight.) 2017 6 30.60 M 7.9 TK 5.0B 7 13 3/ WYA Walcha, NSW (Diffuse coma. A little interference by background stars. Low altitude 19.8°.) 2017 6 28.07 S 7.7 TK 5.0B 7 12 3 GOI Araçatuba 2017 6 28.06 S 7.9 TK 10.0B 20 10 3/ GOI Araçatuba 2017 6 26.95 S 8.3 TK 8.0B 15 7 3 SCH Eerbeek (Weak comet in twilight. Altitude Sun -14°.) 2017 6 26.52 S 8.2 TK 8.0R 36 12 4 CAM Katherine, NT 2017 6 26.50 M 8.1 TK 5.0B 7 13 3/ WYA Walcha, NSW (Coma diffuse, slight brightening to centre.) 2017 6 25.97 S 8.0 HV 40.7L 72 6 4 0.2 20 BIV 2017 6 25.96 S 7.7 HV 5.0B 7 9 4 BIV 2017 6 24.46 S 7.9 TK 8.0B 20 10 4 CAM Katherine, NT 2017 6 24.45 S 7.7 TK 8.0R 36 10 4 CAM Katherine, NT 2017 6 24.45 M 8.3 TK 5.0R 10 10.6 3 WYA Moonbi, NSW (Coma diffuse, slight brightening to centre.) 2017 6 23.05 S 7.7 TK 5.0B 7 12 3 GOI Araçatuba 2017 6 23.04 S 7.8 TK 10.0B 20 10 3/ GOI Araçatuba 2017 6 22.46 M 7.7 TK 5.0B 7 13 3 WYA Walcha, NSW (Coma diffuse, slight brightening to centre.) 2017 6 22.12 S 7.8 TK 10.0B 20 10 3/ GOI Araçatuba 2017 6 21.52 M 7.7 TK 5.0B 7 16.5 4 WYA Walcha, NSW (Slight enhancement in Swan Band filter.) 2017 6 21.50 S 8.0 TK 8.0B 20 8 3 CAM Katherine, NT 2017 6 21.00 S 7.1 TK 4.5R 12 15 3/ GON Puerto de Aralla, León 2017 6 20.49 S 7.5 AA 5.0B 10 SEA Cowra, NSW 2017 6 20.44 M 7.9 TK 5.0B 7 12.5 3/ WYA Walcha, NSW (Coma diffuse, slight interference from nearby stars.) 2017 6 18.979 S 7.6 TK 8.0B 15 6 5 DIJ Burlage 2017 6 17.966 S 7.5 TK 8.0B 15 6 4 DIJ Burlage 2017 6 17.96 S 8.3 HV 40.7L 72 6 4 0.25 0 BIV 2017 6 17.95 S 7.9 HV 5.0B 7 12 4 BIV 2017 6 16.994 S 7.4 TK 8.0B 15 10 4 DIJ Burlage (Moonlight.) 2017 6 15.96 S 7.5 TK 8.0B 15 11 7 SCH Eerbeek 2017 6 15.49 S 7.7 TK 8.0R 36 12 4 CAM Katherine, NT 2017 6 15.37 S 7.6 TK 5.0B 7 13 3 WYA Walcha, NSW (Coma diffuse, opaque centre, semi-transparent outer coma.) 2017 6 14.948 S 7.5 TK 8.0B 15 5.5 4/ DIJ Burlage 2017 6 14.94 S 7.2 TK 4.5R 12 15 3/ 0.5 340 GON Puerto de Aralla, León 2017 6 14.88 S 8.3:TK 20.0L 37 3.5 4 LEG Gliwice (Bright sky, partly cloudy.) 2017 6 14.44 S 7.6 TK 8.0B 20 10 4 CAM Katherine, NT 2017 6 13.45 S 7.8 TK 8.0R 12 10 4 CAM Katherine, NT 2017 6 12.44 S 7.9 TK 8.0B 20 10 4 CAM Katherine, NT 2017 6 11.94 S 8.2 TK 10.0B 20 10 3/ GOI Araçatuba 2017 6 11.42 S 7.8 TK 8.0B 20 10 3/ CAM Katherine, NT 2017 6 2.88 M 8.4:TK 30.0L 67 4 6 LEG Gliwice (Bright sky. Moderate transparency.) 2017 6 2.46 S 7.5 TK 8.0B 20 13 4 CAM Katherine, NT (Moonlight.) 2017 6 2.17 S 7.5 TK 5.0B 7 12 3/ GOI Araçatuba 2017 6 2.16 S 7.7 TK 10.0B 20 8 4/ GOI Araçatuba 2017 6 1.997 S 7.4 TK 8.0B 15 6.3 4/ DIJ Burlage (Moonlight.) 2017 6 1.86 M 8.2:TK 20.0L 37 4 6 LEG Gliwice (Bright sky. Good transparency.) 2017 5 31.94 S 8.1 HV 40.7L 72 8 6 0.2 330 BIV 2017 5 31.94 S 7.5 HV 5.0B 7 10 5 BIV 2017 5 31.000 S 7.4 TK 8.0B 15 7 4/ 0.2 318 DIJ Burlage 2017 5 30.13 S 7.8 TK 10.0B 20 6 4 GOI Araçatuba 2017 5 28.974 S 7.5 TK 8.0B 15 7 4 0.2 325 DIJ Burlage 2017 5 28.87 M 8.0:TK 20.0L 37 4 5 LEG Gliwice (Bright sky. Moderate transparency. Increasing cloudcover.) 2017 5 27.98 S 7.5 TK 8.0B 15 &12 6 SCH Bussloo 2017 5 27.966 S 7.5 TK 15.5L 24 7 4/ DIJ Burlage 2017 5 27.966 M 7.6 TK 15.5L 24 8 5 BOU Burlage, Germany 2017 5 27.93 S 8.0 HV 40.7L 72 6.5 6 0.33 325 BIV 2017 5 27.91 S 7.5 HV 5.0B 7 14 6 BIV 2017 5 27.88 M 8.2:TK 20.0L 37 4 5 LEG Gliwice (Light pollution. Good transparency. No tail visible.) 2017 5 27.53 S 7.5 TK 8.0R 12 15 5 CAM Katherine, NT 2017 5 27.42 M 7.5 TK 5.0B 7 15 4 WYA Walcha, NSW (Coma diffuse, opaque centre, moderately condensed. Coma extended to NW approximately.) 2017 5 27.13 S 7.8 TK 10.0B 20 6 4 GOI Araçatuba 2017 5 26.986 S 7.6 TK 15.5L 29 8 4/ 0.3 320 DIJ Burlage 2017 5 26.963 M 7.5 TK 8.0B 15 9 5 0.4 325 BOU Sint Annen (Faint nearly sunward pointing dust tail visible.) 2017 5 26.95 S 7.5 TK 8.0B 15 15 6 0.5 325 SCH Bussloo (Hint of weak dust tail.) 2017 5 26.95 S 7.8 HV 5.0B 7 10 6 BIV 2017 5 26.95 S 7.3 TK 8.0B 15 9 7 0.15 317 DeS Beert 2017 5 26.49 S 7.7 AA 5.0B 10 10 SEA Cowra, NSW 2017 5 26.48 M 7.6 TK 5.0B 7 12 4 WYA Walcha, NSW (Coma diffuse, gradual brightening to centre. Coma extended to the NW approximately.) 2017 5 25.99 S 8.1 HV 40.7L 72 7 6 0.5 325 BIV 2017 5 25.98 S 7.7 HV 5.0B 7 12 6 BIV 2017 5 25.95 S 7.3 TK 5.6B 8 18 5/ SCH Eerbeek 2017 5 24.99 S 7.7 HV 40.7L 72 6.5 6 0.4 325 BIV 2017 5 24.98 S 8.1 HV 5.0B 7 10 6 BIV 2017 5 24.93 S 8.0 TK 5.6B 8 12 7 SCH Eerbeek (Some cirrusclouds.) 2017 5 24.50 S 8.0 TK 8.0B 20 7 4 CAM Katherine, NT 2017 5 24.42 M 7.8:TK 5.0B 7 12 4 WYA Walcha, NSW (Coma diffuse. 8th magnitude background star in coma visible which interfered with observation. Slight hint of tail to the NW approximately. Low altitude 18.4°. Easy to locate in a dark sky.) 2017 5 24.41 M 8.3 TK 25.0L 39 4.3 5/ 10m 337 WYA Walcha, NSW (Dust tail visible. Low altitude 16.6°. Transparent outer coma, opaque inner coma. Small bright central condensation appears stellar sometimes. Inner coma does not enhance in Swan Band filter.) 2017 5 24.01 S 7.1 TK 4.5R 12 15 4/ 0.5 320 GON Puerto de Aralla, León (The comet shows a much wider coma diameter, providing a brighter m1 estimate in comparison with my previous May 3.12 observation. There is also a lesser influence of the inner dust tail on the magnitude estimate.) 2017 5 23.45 S 8.0 TK 8.0B 20 8 4/ CAM Katherine, NT 2017 5 22.958 S 7.8 TK 8.0B 15 8 5 DIJ Burlage 2017 5 21.988 S 8.1 TK 8.0B 15 7 4/ DIJ Burlage 2017 5 21.50 M 8.3 AA 10.0B 25 6 5 0.16 300 SEA Cowra, NSW (Little change using Swan Band filter. Possibly marginally fainter through filter.) 2017 5 21.49 S 8.2 TK 8.0B 20 7 4 CAM Katherine, NT 2017 5 21.00 S 7.9 TK 5.6B 8 12 7 SCH Eerbeek (In 15x80B, hint of weak dust tail in p.a. 295 deg.) 2017 5 20.944 S 8.1 TK 15.5L 24 8 4/ DIJ Burlage 2017 5 20.940 M 8.0 TK 15.5L 24 6.5 4/ BOU Burlage, Germany 2017 5 18.88 S 8.1 TK 20.0L 37 5 3 LEG Gliwice (Light pollution. Good transparency. No tail visible.) 2017 5 17.941 S 8.3 TK 8.0B 15 6 4/ DIJ Burlage 2017 5 14.91 S 7.7 TK 5.6B 8 15 7 SCH Eerbeek (In 15x80B, weak broad dust tail of about 0.4 degree in p.a. 300 deg.) 2017 5 14.910 S 8.2 TK 15.5L 24 5 4 DIJ Burlage 2017 5 14.906 M 8.2 TK 15.5L 24 6.5 4 BOU Burlage, Germany 2017 5 13.87 S 8.9 TK 20.0L 49 3 2 LEG Gliwice (Bright sky, moderate transparency. No tail visible.) 2017 5 6.72 M 8.4 TK 25.0L 39 4.6 5/ 0.25 297 WYA Walcha, NSW (Low altitude 7.6°.) 2017 5 4.76 S 8.1 TJ 7.0R 10 6.5 5 YOS Kita-karuizawa, Gunma 2017 5 4.72 S 8.6 TJ 40.0L 36 7.5 6 YOS Kita-karuizawa, Gunma (Bright and large.) 2017 5 3.12 S 8.8 TK 20.3T 77 7 4/ 0.2 300 GON Puerto de Aralla, León (In 10x50B, m=7.7 for the coma + brighter inner dust tail.) 2017 5 2.04 S 8.1 HV 5.0B 7 11 6 0.25 300 BIV 2017 5 1.91 S 8.3 HV 5.0B 7 9 5 BIV 2017 5 1.91 S 8.6 HV 20.3T 67 7 6 0.4 310 BIV 2017 5 1.90 S 9.3 TK 20.0L 68 2 2 LEG Gliwice (Bright sky, poor transparency.) 2017 4 30.91 S 8.2 HV 5.0B 7 10 5 BIV 2017 4 30.88 S 8.7 HV 20.3T 67 6 5 0.33 320 BIV 2017 4 30.25 S 8.8 TK 10.0B 20 5 4 GOI Araçatuba 2017 4 29.938 M 8.2 TK 15.6L 24 6.5 4/ BOU Sint Annen 2017 4 29.907 S 8.7 AC 32.0L 57 3 3 LOO Genk 2017 4 29.89 S 7.9 TK 8.0B 15 &13 5 SCH Eerbeek 2017 4 29.88 S 8.0 TK 8.0B 15 7 4 DeS Beert 2017 4 28.914 S 8.3 TK 8.0B 15 7 4 DIJ Burlage 2017 4 28.72 M 8.8 TK 25.0L 39 3.8 6 0.3 304 WYA Walcha, NSW (Faint tail visible. Inner coma fan shaped to the West, central condensation offset to the Eastern edge of the coma. Enhances in Swan Band filter. Low altitude 10.1°.) 2017 4 28.12 S 9.2 TK 20.3T 77 4 5 0.2 300 GON Puerto de Aralla, León (In 10x50B, m=7.7 for the coma + brighter inner dust tail.) 2017 4 27.907 S 8.7 AC 32.0L 57 3 3 LOO Genk 2017 4 26.96 S 8.3 TK 8.0B 15 10 5/ SCH Eerbeek 2017 4 26.919 S 8.4 TK 8.0B 15 7 4 DIJ Burlage 2017 4 26.913 M 8.5 TK 8.0B 15 7 4 BOU Sint Annen 2017 4 25.905 M 8.4 TK 8.0B 15 8 4 BOU Sint Annen 2017 4 25.878 S 8.4 TK 8.0B 15 8 4 DIJ Burlage 2017 4 24.067 S 8.7 AC 32.0L 57 3 3 LOO Genk 2017 4 23.894 M 8.5 TK 15.6L 24 7.5 4/ BOU Sint Annen 2017 4 23.888 S 8.2 TK 8.0B 15 8 4/ DIJ Burlage 2017 4 23.88 S 8.4 TK 8.0B 15 10 5 SCH Eerbeek 2017 4 23.11 S 9.0 HV 40.7L 72 5 5 0.33 315 BIV 2017 4 23.08 S 8.1 HV 5.0B 7 10 5 BIV 2017 4 22.935 M 8.5 TK 15.6L 29 6 4/ BOU Sint Annen 2017 4 22.931 S 8.4 TK 8.0B 15 7 4/ DIJ Burlage 2017 4 22.25 S 8.8 TK 10.0B 20 4 4 GOI Araçatuba 2017 4 22.11 S 8.2 HV 5.0B 7 10 5 BIV 2017 4 22.11 S 8.9 TK 40.7L 72 6 6 0.33 310 BIV 2017 4 21.14 S 9.2 TK 20.3T 77 4 5 0.2 300 GON Puerto de Aralla, León 2017 4 19.96 S 10.1 TK 40.7L 72 3 6 BIV 2017 4 19.894 S 8.5 TK 8.0B 15 7 4 DIJ Burlage 2017 4 19.882 M 8.7 TK 15.6L 24 7 4 BOU Sint Annen 2017 4 18.896 S 8.4 TK 8.0B 15 6.5 4/ DIJ Burlage 2017 4 18.86 S 8.5 TK 8.0B 15 10 6 SCH Schluchsee, Germany 2017 4 18.86 S 8.6 TK 8.0B 15 5 1 DeS Beert 2017 4 18.015 S 8.5 TK 8.0B 15 6 4 DIJ Burlage 2017 4 17.95 S 9.8 TK 40.7L 72 3.5 6 0.2 310 BIV 2017 4 17.920 S 9.2 TK 32.0L 57 2 3 LOO Genk 2017 4 15.875 S 8.5 TK 8.0B 15 7 4/ DIJ Burlage 2017 4 15.869 M 8.7 TK 8.0B 15 6 4/ BOU Sint Annen 2017 4 13.89 S 8.6 TK 20.0L 42 & 6 6 SCH Eerbeek (Just after moonrise.) 2017 4 13.864 S 8.7 TK 8.0B 15 7 4 DIJ Burlage 2017 4 13.852 S 8.8 TK 8.0B 15 6 3/ BOU Sint Annen 2017 4 7.16 S 9.2 TK 20.3T 77 4 4/ GON Puerto de Aralla, León (Some moonlight interference.) 2017 4 6.09 S 10.1 TK 40.7L 72 3.5 5 0.2 320 BIV 2017 4 5.73 M 9.6 TK 25.0L 39 4 5/ 9.6m 298 WYA Walcha, NSW (Coma enhances slightly in Swan Band filter. Faint tail visible. Low altitude 11.4°.) 2017 4 5.119 S 8.8 TK 8.0B 15 6 4 DIJ Burlage 2017 4 4.124 S 8.8 TK 8.0B 15 7 4 DIJ Burlage 2017 4 4.12 S 9.4 TK 20.3T 77 4 4 0.2 310 GON Puerto de Aralla, León 2017 4 3.72 M 9.7 TK 25.0L 39 3.8 5 14m 318 WYA Walcha, NSW (Coma enhances in Swan Band filter. Faint dust tail visible. Low altitude 11.4°.) 2017 4 2.85 S 9.3 TK 20.0L 42 & 5 3 SCH Eerbeek 2017 4 2.135 S 9.1 TK 32.0L 57 3 3 LOO Peer 2017 4 1.981 M 9.0 TK 8.0B 15 6 4/ BOU Burlage, Germany 2017 4 1.980 S 8.9 TK 8.0B 15 7 4 DIJ Burlage 2017 3 30.99 S 9.4 TK 5.0B 7 5 5 BIV 2017 3 30.98 S 9.9 TK 40.7L 72 4 5 0.33 320 BIV 2017 3 30.948 S 9.0 TK 8.0B 15 6 3/ BOU Sint Annen 2017 3 29.96 S 9.8 TK 40.7L 72 3.5 6 0.4 320 BIV 2017 3 29.31 S 9.3 TK 22.0L 60 4 4 GOI Araçatuba (Enhanced image with Swan band filter.) 2017 3 29.00 S 9.8 TK 40.7L 72 4 5 0.33 320 BIV 2017 3 28.988 S 9.2 TK 8.0B 15 5 4 DIJ Burlage 2017 3 28.852 S 9.6 AC 32.0L 57 3 3 LOO Genk 2017 3 28.15 S 9.4 TK 20.3T 77 6 3/ 0.2 310 GON Collado del Fresno, Asturias 2017 3 28.04 S 10.1 TK 40.7L 72 3.5 5 0.3 315 BIV 2017 3 27.924 S 9.6 TK 32.0L 57 3 3 LOO Genk 2017 3 27.90 S 9.3 TK 20.0L 42 6 5 SCH Eerbeek 2017 3 27.853 S 9.1 TA 8.0B 15 6 3/ BOU Burlage, Germany 2017 3 27.851 S 9.2 TK 8.0B 15 4 4 DIJ Burlage 2017 3 27.70 M 9.7 TK 25.0L 39 3.9 4 16m 307 WYA Walcha, NSW (Coma dims slightly in Swan Band filter.) 2017 3 27.04 S 9.8 TK 40.7L 72 3.3 5 0.33 315 BIV 2017 3 26.84 S 9.5 TK 20.0L 42 & 4 5 SCH Eerbeek 2017 3 26.835 S 9.1 TK 8.0B 15 4 4 DIJ Burlage 2017 3 26.08 S 10.2 TK 40.7L 72 3 5 0.33 320 BIV 2017 3 25.97 S 9.4 TK 20.0L 42 & 4 4 SCH Eerbeek 2017 3 24.96 S 11.0 TK 35.6T 71 & 2 5 SCH Bussloo 2017 3 23.953 S 9.2 TK 8.0B 15 6 4 DIJ Burlage 2017 3 23.883 M 9.6 TA 15.6L 29 3.5 4 BOU Sint Annen 2017 3 22.57 S 9.5 TJ 40.0L 36 5.5 5 YOS Mt. Hanadate, Ibaraki (Now it is very bright.) 2017 3 21.97 S 11.0 TK 40.7L 72 2 5 BIV 2017 3 21.893 S 9.3 TA 15.5L 29 3 4 DIJ Burlage 2017 3 21.890 S 9.6 TA 15.5L 29 4 4 BOU Burlage, Germany 2017 3 20.04 S 9.7 TK 20.3T 77 5 3/ 0.2 320 GON Puerto de Aralla, León 2017 3 6.74 M 10.3 AQ 25.0L 39 2.6 6 WYA Walcha, NSW (Inner coma enhances slightly in Swan Band filter, outer coma diffuse. Some interference by magn. 11.6 star in coma, 1.4’ from the central condensation. Low altitude 9.8°.) 2017 3 5.09 S 10.6 TK 40.7L 72 2.5 5 BIV 2017 2 28.939 S 10.3 TK 15.5L 42 3.2 4 DIJ Burlage 2017 2 24.99 S 9.9 TK 10.0B 25 4 3 GON La Vega de Robledo de Caldas, León 2017 2 24.95 S 11.5 TK 35.6T 98 & 1 5 SCH Bussloo 2017 2 24.941 S 10.2 AQ 15.5L 45 3.5 3/ DIJ Burlage 2017 2 24.939 M 10.6 AQ 15.5L 45 2.4 4 BOU Burlage, Germany 2017 2 23.73 M 10.8 AQ 25.0L 39 3.3 4 WYA Walcha, NSW (Slight Moonlight interference. Low altitude 7.5°. Enhances slightly in Swan Band filter.) 2017 2 19.02 S 11.6 TK 25.6L 53 1.8 5 BIV 2017 2 18.99 S 10.7 TK 20.0L 42 & 2 5 SCH Eerbeek 2017 2 18.932 S 10.5 AQ 15.5L 42 1.9 3 DIJ Burlage 2017 2 16.98 S 10.4 TK 20.3T 77 3 3/ GON Alto de la Camperona, León 2017 2 14.854 S 10.5 AQ 15.5L 42 2 2/ DIJ Burlage 2017 2 6.79 S 11.6 TJ 40.0L 75 2.5 6/ 4.5m 310 YOS Mt. Hanadate, Ibaraki (Fairly bright. Looks nice with a tail. I felt it became much brighter than in January. But my measurement became similar to that in January.) 2017 2 4.015 S 11.0 AQ 25.4J 58 2.0 3/ BOU Sint Annen 2017 1 27.992 S 11.2 AQ 25.4J 72 1.8 4 BOU Sint Annen 2017 1 26.174 S 11.8 AC 32.0L 56 1 5 LOO Genk 2017 1 24.79 S 11.9 TA 40.0L 75 1.7 6/ YOS Mt. Hanadate, Ibaraki (Very strongly condensed and easy to see. Because it was located very near a 11-mag star, maybe the outer coma was not visible.) 2017 1 24.20 S 10.6 TK 20.3T 77 3 3/ GON Collada de la Cobertoria, Asturias 2017 1 22.21 S 11.2 TK 20.0L 42 & 3 1 SCH Eerbeek (Moon, 29% illuminated.) 2017 1 22.05 S 11.7 TK 40.7L 72 1.4 6 0.1 315 BIV 2017 1 21.994 M 11.3 AQ 25.4J 72 1.8 4/ BOU Sint Annen 2017 1 20.20 S 11.7:TK 20.0L 80 & 3 1 SCH Eerbeek (Moon, 47% illuminated.) 2017 1 7.20 S 10.7 TK 20.3T 77 3 3/ GON Alto del Castro, León 2017 1 5.19 S 11.6 TK 40.7L 72 1.8 5 BIV 2017 1 1.22 S 10.8 TK 20.3T 77 3 3/ GON Puerto de las Señales, León 2016 12 27.19 S 11.9 TK 40.7L 72 2 5 BIV 2016 12 26.17 S 10.8 TK 20.3T 77 3 3/ GON Les Retuertes - Sierra del Aramo, Asturias (Starlike central condensation: m2=13.0:[AQ].) 2016 12 10.23 S 10.8 TK 20.3T 77 3 3 GON Les Retuertes - Sierra del Aramo, Asturias 2016 12 6.22 S 10.6 TK 20.3T 77 3 3/ GON Les Retuertes - Sierra del Aramo, Asturias (Starlike central condensation: m2=12.9: [AQ].) 2016 12 6.183 S 12.1 AQ 25.4J 88 1.2 4 BOU Sint Annen 2016 12 5.25 S 10.6 TK 20.3T 77 4 3 GON Pico del Pozo de la Nieve - Sierra de la Bobia, Asturias 2016 12 5.183 S 12.2 AQ 25.4J 88 1.2 3/ BOU Sint Annen 2016 12 4.19 S 12.5 HS 40.7L 72 1.6 5 BIV 2016 12 2.79 S 12.8 TA 40.0L 144 1.5 7 YOS Kita-karuizawa, Gunma (Bright, strongly condensed, and easy to see.) 2016 11 30.16 S 10.4 TK 20.3T 77 5 2/ GON Les Retuertes - Sierra del Aramo, Asturias 2016 11 28.151 S 12.3 AQ 30.5T 102 0.8 4 DIJ Burlage 2016 11 28.149 M 12.4 AQ 30.5T 102 1.2 5 BOU Burlage, Germany 2016 11 25.21 S 10.5 TK 20.3T 77 5 2/ GON Sierra de Tineo, Asturias 2016 11 5.78 S 13.0 TA 40.0L 257 1.1 4 YOS Kita-karuizawa, Gunma 2016 11 4.81 S 13.3 TA 40.0L 144 1.5 5 YOS Kita-karuizawa, Gunma (Very bright and well visible.) 2016 11 2.22 S 10.6 TK 20.3T 77 4 2 GON Mallo de Luna, León 2016 11 1.10 S 13.1 HS 40.7L 72 1.0 6 BIV 2016 10 27.16 S 10.6 TK 20.3T 100 4 2/ GON Pandorado, León (Faint outer coma. Field stars checked in DSS.) 2016 10 20.81 S 13.1 TA 40.0L 257 0.6 5 YOS Kita-karuizawa, Gunma (Moonlight. Strongly condensed, and easy to see.) 2016 10 5.109 S 12.9 AQ 30.5T 102 1.4 3/ DIJ Burlage 2016 10 5.106 S 13.0 AQ 30.5T 102 1.1 4 BOU Burlage, Germany 2016 10 3.17 S 10.8 TK 20.3T 100 3.5 3 GON Alto del Castro, León (Observation at lower magnification provides a wider diameter of the faint outer coma and brighter m1 estimate in comparison with my previous estimate. Field stars checked in DSS.) 2016 9 29.18 S 11.7 AQ 20.3T 133 2.0 3/ GON Alto del Castro, León (Field stars checked in DSS.) 2016 9 13.108 M 13.3 AQ 30.5T 102 1.0 5 BOU Burlage, Germany 2016 9 13.106 S 12.9 AQ 30.5T 102 1 3/ DIJ Burlage 2016 9 9.17 S 12.2 AQ 20.3T 133 2.0 4 GON Alto del Trichero, León (Observation made under better conditions, from a higher and darker mountain location, providing a much wider coma diameter and brighter m1 estimate in comparison with my previous observation. Field stars checked in DSS.) 2016 9 8.110 S 13.5 AQ 30.5T 102 0.8 3/ DIJ Burlage 2016 9 8.106 M 13.5 AQ 30.5T 102 0.7 5 BOU Burlage, Germany 2016 9 6.18 I 13.4 AQ 20.3T 133 0.5 7 GON Nogarejas, León (Field stars checked in DSS.)