* * * * * C/2005 N1 (Juels-Holvorcem) * * * * *

Year Mn Day    MM  Mag Ref Scope Pwr coma  DC tail p.a. Obs  Site
2005 10  7.21   S 11.8 TK  20.3T 133  1.5  3            GON  Alto del Castro - Aralla, León
(Observation made at the beginning of the morning astronomical twilight. Altitude: 16 deg.)
2005  9 30.20   S 11.5 TK  20.3T 100   2   3            GON  Alto del Castro - Aralla, León
(Some moonlight interference. Altitude: 13 deg.)
2005  9 14.18   S 11.3 TK  20.3T 100  2.2  3            GON  Alto del Castro - Aralla, León
(Altitude: 13 deg.)
2005  9  8.85   S 11.2 TK  20.3T  77   2   3            GON  Alto del Trichero - Soto y Amío, León
(Altitude: 6 deg.)
2005  9  3.841  S 11.5 TA  31.0J  89   1   2/           DIJ  Lauwersoog
2005  9  3.838  S 11.5 TA  31.0J  89  1.8  4            BOU  Lauwersoog
2005  9  3.16   S 11.3 TK  20.3T  77  2.0  3            GON  Alto del Castro - Aralla, León
2005  8 29.888  S 11.8 TA  25.4J 125  1.2  2/           DIJ  Bedum
2005  8 29.882  S 11.6 TA  25.4J 125  1.5  4            BOU  Bedum
2005  8 15.15   S 11.4 TK  20.3T 133  1.5  4            GON  Alto del Castro - Aralla, León
2005  8 12.15   S 11.4 TK  20.3T 160  1.5  3            GON  Alto del Castro - Aralla, León
2005  8  5.948  S 11.7 TA  31.0J  89  1.5  3            BOU  Sint Annen
2005  8  2.969  S 11.9 TA  31.0J  89  1.1  3            DIJ  Sint Annen
2005  8  2.966  S 11.8 TA  31.0J  89  1.3  3/           BOU  Sint Annen
2005  8  2.12   S 11.6 TK  20.3T 100  1.5  3            GON  Alto del Castro - Aralla, León
2005  7 30.940  S 11.8 TA  25.4J  88  1.2  3/           BOU  Sint Annen
2005  7 28.75   S 11.0 TJ  40.0L 144  1.5  3            YOS  Gunma, Japan
(Interfered by the half moon. The comet was around 12.5 mag in mid July, so maybe brightened?
However, the impression was about 12 mag or so.)
2005  7 19.10   S 12.3 TK  20.3T 133  0.8  3            GON  Alto del Castro - Aralla, León
2005  7 15.091 wS 12.2 HN  31.0J 109  0.9  2/           DIJ  Revest-du-Bion, France
2005  7 15.090 wS 12.5 HN  31.0J 109  0.8  4            BOU  Revest-du-Bion, France
(Some interference from nearby 12th magn. star. Comparison stars on both the 14th and 15th taken
from Henden photometry near GK Per.)
2005  7 14.056 wS 12.3 HN  31.0J 109  0.8  2/           DIJ  Revest-du-Bion, France
2005  7 14.052 wS 12.4 HN  31.0J 109  1.0  3            BOU  Revest-du-Bion, France
2005  7 12.11   S 12.3 TK  20.3T 133  0.8  3            GON  Alto del Trichero - Soto y Amío, León
(Mountain location, very clear sky. Altitude: 24 deg. Motion checked during a 30-min period.)
2005  7  8.10   S 12.4 TK  20.3T 133  0.8  3            GON  Alto del Trichero - Soto y Amío, León
(Mountain location, very clear sky. Altitude: 21 deg. Motion checked during a 30-min period.)