* * * * * 7P/Pons-Winnecke * * * * *

Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2021 9 11.70 S 14.1 AQ 40.0L 182 1.3 3 WYA Walcha, NSW (Very diffuse, slight brightening to centre.) 2021 9 8.47 S 13.6 AQ 40.0L 108 1.5 2/ WYA Walcha, NSW (Very diffuse, slight brightening to centre.) 2021 9 7.69 M 14.0 AQ 40.0L 182 0.9 4 WYA Walcha, NSW (Diffuse coma, close to stars.) 2021 8 31.45 M 12.4 AQ 40.0L 59 4.4 3/ WYA Walcha, NSW (Very diffuse, slight opaque centre.) 2021 8 28.46 M 12.9 AQ 40.0L 108 2.2 4 WYA Walcha, NSW (Diffuse coma, opaque centre.) 2021 8 13.57 M 12.8 AQ 40.0L 108 2.5 5/ WYA Walcha, NSW (Diffuse coma, opaque centre, stellar pseudo-nucleus sometimes visible. No enhancement in Swan Band filter. Close to grouping of faint stars.) 2021 8 10.44 S 11.7 AQ 40.0L 59 4.4 3/ WYA Walcha, NSW (Enhances slightly in Swan Band filter. Very diffuse and extended coma. Slight brightening to centre.) 2021 8 6.50 M 11.6 AQ 40.0L 59 4 4 WYA Walcha, NSW (Star in coma, very diffuse and extended outer coma.) 2021 7 31.51 M 11.8 AQ 40.0L 59 6 3/ WYA Walcha, NSW (Enhances slightly in Swan Band filter, outer coma very tenuous and extended.) 2021 7 30.50 M 13.0 AQ 40.0L 108 1.9 6 WYA Walcha, NSW (Diffuse, stellar pseudo-nucleus visible. Close to stars. Outer coma extended.) 2021 7 29.47 M 12.4 AQ 40.0L 108 1.8 5/ WYA Walcha, NSW (Dims in Swan Band filter. Opaque centre, sometimes faintly stellar in good seeing. Transparent outer coma. Close to stars.) 2021 7 12.74 M 11.2 AQ 40.0L 59 3.1 5 WYA Walcha, NSW (Diffuse opaque centre, sometimes appears faintly stellar.) 2021 7 9.11 S 10.5 TK 20.3T 100 5 2/ GON Alto del Castro - Aralla, León 2021 7 6.71 M 11.8 AQ 40.0L 59 4.8 6 WYA Walcha, NSW (Dims slightly in Swan Band filter. Outer coma extended, slight interference from stars on NE edge of coma.) 2021 6 15.22 S 11.2 AU 22.0L 160 3 3/ GOI Araçatuba 2021 6 10.08 S 10.6 TK 20.3T 100 5 2/ 0.15 270 GON Alto del Castro - Aralla, León 2021 6 8.06 S 10.4:AQ 40.7L 72 2.5 2 BIV 2021 6 6.08 S 10.9:TK 40.7L 72 2.5 4 BIV 2021 6 5.10 S 10.8 TK 20.3T 77 4 2/ 0.15 260 GON Alto del Castro - Aralla, León 2021 5 19.62 M 12.8 AQ 40.0L 108 2.0 4/ WYA Walcha, NSW (Enhances in Swan Band filter. Opaque centre, transparent outer coma.) 2021 5 13.72 M 14.4 AQ 40.0L 261 0.3 5/ WYA Walcha, NSW (Opaque centre, small coma. Close to bright stars but resolvable.) 2021 5 8.80 S 11.3 TK 20.3T 100 2.5 1/ GON Collado del Fresno - Aramo, Asturias (From dark mountain skies the outer coma appears large and very diffuse. Nearby field stars checked in DSS. Motion checked over a 50-min period.)
2008 9 24.82 S 11.0 TK 20.3T 100 2 4 GON Aralla, León (Astronomical twilight. Altitude 8°.) 2008 9 19.82 S 11.7 TK 20.3T 100 2 4 GON Cospedal, León (Astronomical twilight. Altitude 10°.) 2008 8 23.86 S 12.2 TK 20.3T 100 2.5 2/ GON Alto del Castro - Aralla, León (End of astronomical twilight. Altitude 14°.)
2002 7 30.57 S 12.5:HS 27.5T 84 2 4 MAT Wallaroo, SA 2002 6 17.85 S 12.0:TT 20.0L 67 3.0 2 MAT Wallaroo, SA (Very good conditions. Comet observed overhead, appears large and very diffuse.) 2002 6 12.60 S 11.7 GA 25.4L 71 & 6 2 SEA Cowra, NSW 2002 5 3.04 S 12.9 TA 41.0L 262 0.7 2/ RES Szamotuly (There was a faint diffuse object at correct position, taken from Guide 8.0 [MPC elements]. I could not confirm movement due to moonrise and begin of morning twilight. Altitude about 16 deg. Reference stars in nearby field of W Aqr taken from TASS catalog. Magnitude with [poor] AAVSO sequence is 13.4.)