* * * * * C/2015 F4 (Jacques) * * * * *

Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2015 10 11.803 S 13.1 AQ 30.5T 102 1.0 3 DIJ Burlage 2015 10 11.801 S 13.5 AQ 30.5T 102 0.8 3 BOU Burlage, Germany 2015 10 11.56 S 13.2 TA 40.0L 144 0.9 5 YOS Kita-karuizawa, Gunma (Unexpectedly it is visible well still now.) 2015 9 14.942 S 12.1 AQ 25.4J 72 1.3 3/ BOU Sint Annen 2015 9 10.854 S 12.0 AQ 25.4J 72 1.4 3 BOU Sint Annen 2015 9 8.919 S 11.6 AQ 15.5L 63 2 1/ DIJ Burlage 2015 9 8.840 S 11.8 AQ 25.4J 72 1.5 3/ BOU Sint Annen 2015 9 8.03 S 11.5 TK 20.3T 133 1.3 3 GON Alto del Castro, León 2015 9 7.941 S 11.5 AQ 15.5L 63 2.1 2 DIJ Burlage 2015 9 2.881 S 11.6 AQ 15.5L 63 2 2 DIJ Burlage 2015 8 18.94 S 11.0 TK 20.3T 77 1.5 4 GON Cueto Rosales, León 2015 8 8.94 S 10.8 TK 20.3T 77 1.5 5 GON Cueto Rosales, León (Short tail in p.a. 160 deg.) 2015 8 8.911 S 11.2 AQ 25.4J 72 1.5 4 BOU Sint Annen 2015 8 7.06 S 10.5 TK 22.0L 60 2.5 4 GOI Araçatuba 2015 8 5.04 S 10.5 TK 22.0L 60 2.5 3/ GOI Araçatuba 2015 7 27.71 S 11.9 AQ 25.0L 83 0.8 2/ WYA Walcha, NSW (Coma diffuse, slightly brighter to centre. Low altitude 11.1°. Moonlight. Does not enhance in Swan Band filter.) 2015 7 26.22 S 10.6 TK 22.0L 60 2 4 GOI Araçatuba 2015 7 23.07 S 10.7 TK 22.0L 60 2 4 GOI Araçatuba 2015 7 21.960 M 10.7 AQ 30.5T 73 1.6 6 BOU Burlage, Germany 2015 7 21.957 S 11.2 AQ 30.5T 73 3.0 3/ DIJ Burlage 2015 7 19.967 M 10.8 AQ 15.6L 45 1.8 5 BOU Sint Annen 2015 7 17.53 M 11.0 AQ 40.6L 165 1.2 5 CAM Warners Bay, NSW 2015 7 16.48 M 11.2 AQ 40.6L 76 1 3 CAM Warners Bay, NSW 2015 7 14.14 S 10.8 AU 22.0L 60 2.5 4 GOI Araçatuba 2015 7 14.05 S 10.7 TK 20.3T 77 2.2 5 0.1 210 GON Santiago Millas, León 2015 7 13.72 M 11.2 AQ 40.6L 165 1.3 4 2.5m 208 CAM Warners Bay, NSW 2015 7 13.47 M 11.3 AQ 40.6L 165 1.3 3 CAM Warners Bay, NSW 2015 7 10.74 M 11.5 AQ 40.6L 165 1.4 4 2.5m 200 CAM Warners Bay, NSW 2015 7 10.21 S 11.1 AU 22.0L 60 2.5 4 GOI Araçatuba 2015 7 8.74 M 11.6 AQ 40.6L 165 1.2 4 2.5m 230 CAM Warners Bay, NSW 2015 7 8.52 S 11.3 GA 25.4L 71 2.6 SEA Cowra, NSW 2015 7 7.75 M 11.7 AQ 40.6L 165 1 3 CAM Warners Bay, NSW 2015 7 7.49 M 11.6 TA 25.0L 83 1.3 5/ 2.3m 225 WYA Walcha, NSW (Does not enhance in Swan Band filter. Coma shows diffuse edges, opaque inner coma, pale blue in colour.) 2015 7 6.74 M 11.7 AQ 40.6L 165 1 4 CAM Warners Bay, NSW 2015 7 6.48 M 11.6 AQ 40.6L 165 1 3 CAM Warners Bay, NSW 2015 6 29.79 S 12.0 AQ 40.6L 165 1.5 4 CAM Warners Bay, NSW 2015 6 27.78 S 12.0 AQ 40.6L 165 1.5 4 CAM Warners Bay, NSW 2015 6 27.73 M 11.7 AQ 25.0L 83 1.4 6 2.5m 221 WYA Walcha, NSW (Does not enhance in Swan Band filter. Faint tail, 1 in width approximately. Small diffuse coma, opaque inner coma brightening to small stellar centre, m2 = 14.3.) 2015 6 26.76 S 12.1 AQ 40.6L 165 1.5 5 CAM Warners Bay, NSW 2015 6 26.73 M 11.6 AQ 25.0L 83 2.3 5 WYA Walcha, NSW (Does not enhance in Swan Band filter. Coma elongated to the South-West approximately. Compact opaque inner coma with diffuse transparent outer coma. Central condensation not quite stellar.) 2015 6 26.20 S 11.2 AU 22.0L 60 2 4 GOI Araçatuba 2015 6 22.78 M 11.7 AQ 40.6L 165 1.0 4 CAM Warners Bay, NSW 2015 6 22.75 M 12.2 AQ 25.0L 83 1.2 5/ WYA Walcha, NSW (Coma does not enhance in Swan band filter. Coma elongated to the SW. Inner coma opaque and shows elongation to SW, with small central condensation, diffused outer coma.) 2015 6 21.79 S 11.7 AQ 40.6L 76 1.2 4 CAM Warners Bay, NSW 2015 6 20.21 S 11.5 AU 22.0L 120 2 4 GOI Araçatuba (No enhancement with Swan Band filter.) 2015 6 19.60 M 11.8 AQ 25.0L 39 2.0 3 WYA Walcha, NSW (Coma diffuse with slightly brighter centre. At 83x the coma appears elongated to the SW. Central condensation sometimes stellar in good seeing. Coma does not enhance in Swan Band filter.) 2015 6 18.08 S 11.4 AQ 20.3T 77 2.5 4/ GON Alto del Castro, León (Brighter than expected. Motion checked during a 60-min period. Nearby field stars checked in DSS. Mountain location, very clear sky.) 2015 6 17.77 S 12.2 AQ 40.6L 76 1.0 4 CAM Warners Bay, NSW 2015 6 14.79 S 12.5 AQ 40.6L 76 1.0 4 CAM Warners Bay, NSW 2015 6 8.78 S 12.9 AQ 40.6L 165 0.6 4 CAM Warners Bay, NSW 2015 5 31.81 S 13.2 AQ 40.6L 165 0.8 4 CAM Warners Bay, NSW 2015 5 25.73 S 13.4 AQ 40.6L 165 0.5 4 CAM Warners Bay, NSW 2015 5 23.74 S 13.7 AQ 40.6L 165 0.4 3/ CAM Warners Bay, NSW 2015 5 15.76 S 13.8 AQ 40.6L 165 0.5 3 CAM Warners Bay, NSW