* * * * * 364P/PANSTARRS * * * * *

Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2018 10 3.95 S 11.0 TK 20.3T 77 4 2 GON Alto del Castro, León (Faint tail difficult to separate from the coma. The bright estimate is related to the 4' observed width of the coma and tail. Altitude 25°.) 2018 9 19.03 S 11.3 TK 20.3T 77 3.5 2 GON Aralla, León (Faint tail difficult to separate from the coma. The magnitude estimate is related to the 3.5' observed width of the coma and tail. Altitude 20°. Observation made under better conditions, providing a wider coma diameter and brighter magnitude estimate in comparison with my previous Sep. 10 observation.) 2018 9 10.12 S 11.8 TK 20.3T 100 2.7 2/ GON Aralla, León (Faint tail difficult to separate from the coma. The magnitude estimate is related to the 2.7' observed width of the coma and tail. Altitude 16°.) 2018 8 18.75 M 13.6 AQ 25.0L 83 0.9 5/ 1.7m 272 WYA Walcha, NSW (Difficult. Diffuse with small opaque centre, sometimes stellar. Faint tail visible.) 2018 8 15.77 M 14.0 AQ 25.0L 83 0.9 4 2m 244 WYA Walcha, NSW (Faint tail visible. Sometimes appears faintly stellar in periods of good seeing.) 2018 8 13.81 M 13.3 AQ 40.6L 76 1.0 5 CAM Katherine, NT 2018 8 12.81 M 13.0 AQ 40.6L 165 1.0 4 CAM Katherine, NT 2018 8 11.27 S 12.6 AQ 22.0L 160 1 5 GOI Araçatuba 2018 8 10.82 M 13.3 AQ 40.6L 165 1.0 5 CAM Katherine, NT 2018 8 9.82 M 13.0 AQ 40.6L 76 1.2 5 CAM Katherine, NT 2018 8 8.77 M 12.7 AQ 25.0L 83 1.1 5/ 4.4m 240 WYA Walcha, NSW (Faint tail visible. Centre appears faintly stellar in good seeing. Moonlight [Moon altitude 3.1°, 9.8% illuminated].) 2018 8 7.81 M 13.4 AQ 40.6L 165 1.0 5 CAM Katherine, NT 2018 8 6.64 M 13.2 AQ 25.0L 83 1.4 6 4m 247 WYA Walcha, NSW (Faintly stellar. Faint narrow tail visible.) 2018 7 23.84 M 11.6 AQ 40.6L 165 1.0 6 CAM Katherine, NT 2018 7 23.77 M 12.2 AQ 25.0L 83 0.8 6 5.5m 220 WYA Walcha, NSW (Faint narrow tail visible, slightly curved to the East. Oval and opaque inner coma.) 2018 7 21.84 M 11.5 AQ 40.6L 76 1.0 6 CAM Katherine, NT 2018 7 20.85 M 11.4 AQ 40.6L 165 1.5 6 CAM Katherine, NT 2018 7 20.77 M 12.3 AQ 25.0L 83 0.9 6 4.4m 214 WYA Walcha, NSW (Faint narrow tail visible, slightly curved to the East. Opaque oval shaped coma centre with stellar central condensation.) 2018 7 18.78 M 11.9 AQ 25.0L 83 1 6 6.5m 199 WYA Walcha, NSW (Low altitude 17.8°. Faint tail visible, slightly curved to the East. Opaque inner coma, oval in shape aligned with tail, stellar centre. No enhancement in Swan Band filter. Rapid motion noticeable.) 2018 7 16.78 M 11.5 AQ 25.0L 83 0.7 6 4.6m 198 WYA Walcha, NSW (Low altitude 11.5°. Faint tail. Coma dims in Swan Band filter.) 2018 7 13.80 M 11.1 AQ 25.0L 83 1 6 4.4m 186 WYA Walcha, NSW (Low altitude 7.6°. Faint tail visible. No enhancement in Swan Band filter.) 2018 7 9.34 M 11.3 AQ 25.0L 83 0.8 5/ 3m 166 WYA Walcha, NSW (Low altitude 8.1°. Faint tail visible.) 2018 7 8.36 M 11.0 AQ 25.0L 83 1.2 6 3.6m 152 WYA Walcha, NSW (Extremely low altitude 5.0°. Poor seeing. Faint tail visible. Rapid motion noticeable. Close to 11.8 mag star.) 2018 7 4.34 M 11.3 AQ 25.0L 83 1 6 7m 151 WYA Walcha, NSW (Faint narrow tail visible. Low altitude 15.1°. Slight twilight interference.) 2018 6 23.35 M 11.9 AQ 25.0L 83 1.4 6 2.7m 89 WYA Walcha, NSW (Moonlight. Faint tail visible. Slight interference from glare of mag 4.3 star in field.) 2018 6 22.35 M 11.9 AQ 25.0L 83 0.9 6 2.2m 118 WYA Walcha, NSW (Moonlight. Faint tail visible. Stellar central condensation, diffuse outer coma.) 2018 6 17.41 S 12.2 AQ 40.6L 165 1.0 6 CAM Katherine, NT 2018 6 16.41 S 12.0 AQ 40.6L 165 1.0 5 3.0m 130 CAM Katherine, NT 2018 6 14.35 M 12.8 AQ 25.0L 83 0.9 6 2.3m 110 WYA Walcha, NSW (Faint tail visible. Stellar central condensation in good seeing. Visible faintly at 39x with no enhancement in Swan Band filter at this magnification. Slight zodiacal light interference.) 2018 6 12.35 M 13.1 AQ 25.0L 83 1.5 6 WYA Walcha, NSW (Diffuse coma, faint stellar central condensation. Faint coma extension to the ESE approximately.) 2018 6 11.35 M 13.1 AQ 25.0L 83 1.1 5/ WYA Walcha, NSW (Coma diffuse, stellar central condensation in periods of good seeing. Does not enhance in Swan Band filter. Coma elongated to the East approximately, just barely visible at 39x.) 2018 6 7.35 M 13.2 AQ 25.0L 83 0.7 5/ WYA Walcha, NSW (Coma diffuse with stellar central condensation visible in periods of good seeing. Slight zodiacal light and glare from Venus interference. Does not enhance in Swan Band filter. At 166x the coma appears more fanned to the ESE approximately.)