* * * * * 73P/Schwassmann-Wachmann 3-C * * * * *

Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2022 12 26.51 M 13.2 AQ 40.0L 182 1.0 6 WYA Walcha, NSW (Low altitude 11.7°. Diffuse with slightly brighter centre.) 2022 12 20.45 M 13.5 AQ 40.0L 182 0.8 6 WYA Walcha, NSW (Close to star. Faint stellar pseudo-nucleus visible in good seeing.) 2022 11 23.44 M 11.8 AQ 40.0L 59 3.9 4/ WYA Walcha, NSW (Dims in Swan Band filter. Semi-transparent centre. Coma oval shaped in a SW-NE direction.) 2022 11 18.81 S 10.5 TK 20.3T 77 6 2/ GON Villacintor, León (Altitude 15°.) 2022 10 15.40 M 10.4 AQ 40.0L 59 1.2 5/ 4.0m 93 WYA Walcha, NSW (Post-outburst. Dust tail visible. Inner coma opaque and appears arrow-head shaped and fanning with an embedded dust spine more intense along the tail axis fading into a broad faint tail.) 2022 10 14.80 S 10.7 TK 20.3T 77 2.0 3/ GON Gamoniteiro - Sierra del Aramo, Asturias (In outburst, as reported by Emmanuel Jehin [TRAPPIST-South, I40, Chile]. Altitude 7°.) 2022 10 14.43 M 10.9 AQ 40.0L 59 1.6 5 4.0m 92 WYA Walcha, NSW (Post-outburst. Outer coma dims, inner coma enhances in Swan Band filter.) 2022 9 24.41 M 13.8 AQ 40.0L 182 1.2 4 WYA Walcha, NSW (Diffuse coma, opaque centre.) 2022 9 19.40 M 12.6 AQ 40.0L 108 1.0 4 WYA Walcha, NSW (Diffuse coma, semi-opaque centre.) 2022 9 17.39 M 12.7 AQ 40.0L 108 1.3 4 WYA Walcha, NSW (Close to bright star, very windy conditions.) 2022 8 20.40 M 12.2 AQ 40.0L 108 1.3 6 3.0m 89 WYA Walcha, NSW (Faint tail visible. Zodiacal light interference.) 2022 8 17.86 S 8.4 TK 20.3T 77 5 3/ GON Alto del Trichero, León (Near-stellar central condensation, m2=9.8: [TK]. Altitude 7°. Astronomical twilight.) 2022 7 31.89 S 9.8 TK 20.3T 133 3 3/ GON Riberos de la Cueza, Palencia (Altitude 8°. Astronomical twilight.) 2022 7 19.91 S 10.4 TK 20.3T 77 4 3 GON Alto del Castro, León (Altitude 11°. Astronomical twilight.)
2017 4 5.76 M 12.3 AQ 25.0L 83 2.2 5 2m 260 WYA Walcha, NSW (Short tail visible. Zodiacal light interference. Altitude 15.6°.) 2017 3 30.35 S 12.0 AU 22.0L 160 1 4/ GOI Araçatuba 2017 3 27.75 M 11.9 AQ 25.0L 83 0.7 6 1.8m 267 WYA Walcha, NSW (Very faint short tail visible. Inner coma opaque with faint stellar central condensation. Zodiacal light interference and low altitude 15.3°. Total light combined from components 73P-C and 73P-BT.) 2017 3 6.73 M 12.2 AQ 25.0L 83 0.9 3/ 2.4m 265 WYA Walcha, NSW (Faint tail. Inner coma appears elongated East-West. Brightness is combined magnitude of fragments C and BT.) 2017 2 6.84 S[12.2 AU 40.0L 144 !1.1 YOS Mt. Hanadate, Ibaraki (Not visible. When guiding my telescope to the comet, I found a bright nebula not recorded in my chart, where I plotted clusters and nebulae down to 12 mag. So I imagined it might be a fragment or new comet. But actually, it was planetary nebula NGC 6445.) 2017 1 24.84 S 13.7 AU 40.0L 257 0.6 2 YOS Mt. Hanadate, Ibaraki (Unexpectedly, already visible visually.) 2017 1 7.25 S 11.4 AQ 20.3T 133 2.5 2 GON Alto del Castro, León (Faint and diffuse outer coma. Zodiacal light. Field stars checked in DSS.)
2006 9 27.64 S 13.9 AU 40.0L 144 1.2 3/ YOS Kita-karuizawa, Gunma (Unexpectedly, the comet was still visible visually. But it is near the limit now.) 2006 9 25.96 S 13.7 AC 41.0L 121 0.5 3 RES Szamotuly-Galowo 2006 9 24.01 S 13.7 AC 41.0L 121 0.5 3 RES Szamotuly-Galowo 2006 9 21.08 S 13.5 HS 40.7L 116 1.0 3 BIV Col de Restefond 2006 9 19.01 S 13.9 HS 40.7L 116 1.0 4 BIV Col de Restefond 2006 9 13.02 S 13.3 AC 41.0L 121 1.0 3 RES Szamotuly-Galowo 2006 8 29.16 S 12.8 TK 20.3T 100 1.5 3 GON Sierra del Aramo, Asturias 2006 8 22.77 S 13.0 AU 40.0L 144 1.0 4/ YOS Kita-karuizawa, Gunma (I could observe it after a blank of three months since the remarkable approach to the earth. Now it is very small, but still visible visually. Moderately condensed.) 2006 8 4.13 S 11.3 TK 20.3T 100 2 4 GON Alto del Castro - Aralla, León 2006 7 30.09 S 12.6 HS 40.7L 58 1.5 4 0.07 250 BIV Valdrôme 2006 7 29.10 S 12.2 HS 40.7L 58 1.6 3 0.05 260 BIV Valdrôme 2006 7 28.05 S 10.6:AC 41.0L 72 1.5 2 RES Szamotuly-Galowo 2006 7 27.10 S 11.8 TK 40.7L 116 1.8 4 0.08 260 BIV Valdrôme 2006 7 26.09 S 11.6 TK 40.7L 58 2.0 3 0.08 260 BIV Valdrôme 2006 7 25.10 S 11.5 TK 40.7L 58 2.0 4 0.1 260 BIV Valdrôme 2006 7 24.11 S 11.3 TK 40.7L 58 2.0 4 0.1 260 BIV Valdrôme 2006 7 23.13 S 10.7 TK 20.3T 100 2 4 GON Cueto Rosales - Riello, León 2006 7 23.10 S 11.2 TK 40.7L 58 2.5 4 0.1 260 BIV Valdrôme 2006 7 22.11 S 10.6:TK 40.7L 58 2 2 BIV Valdrôme 2006 7 7.12 S 10.5 TK 20.3T 100 2 5 GON Alto del Castro - Aralla, León (Astronomical twilight. Altitude: 7 deg.) 2006 6 7.77 B 7.8 AA 10.0B 25 SEA Cowra, NSW (In 25.4-cmL at 71x, a small 'spine' was visible extending from the central condensation in the ante-solar direction. A very similar feature was noted during the 1995 return.) 2006 6 6.75 B 7.6 AA 10.0B 25 1.3 240 SEA Cowra, NSW 2006 6 1.82 S 7.3 AA 5.0B 10 SEA The Entrance, NSW 2006 5 31.78 B 7.4 AA 10.0B 25 3 1.3 245 SEA The Entrance, NSW (Comet was a spectacular sight in the binoculars due to the relatively high intensity of tail.) 2006 5 28.74 S 6.7 AA 5.0B 10 SEA The Entrance, NSW (An unusual spectacle; two relatively bright comets visible in the same binocular field!) 2006 5 26.13 M 6.4 TK 5.0B 7 7 6 GON Alto del Castro - Aralla, León (Observation made at the beginning of the morning astronomical twilight. Altitude: 6 deg.) 2006 5 26.11 M 6.7 TK 10.0B 25 5 6 0.4 250 GON Alto del Castro - Aralla, León (Mountain location, very clear sky. Comparison stars at the same low altitude [3 deg.] as the comet.) 2006 5 24.76 B 6.6 AA 10.0B 25 3 1.3 250 SEA The Entrance, NSW (Both comets possessed distinct central condensations, however the cc of B appeared 'softer' than that of C.) 2006 5 20.13 S 6.5 TK 5.0B 7 13 5 0.8 250 BIV Granada, Spain 2006 5 19.08 M 6.7 TK 10.0B 25 4 S7 0.5 260 GON Alto del Castro - Aralla, León (Moonlight interference. Comparison stars at the same low altitude [8o] as the comet.) 2006 5 18.77 B 7.4 AA 8.0B 15 SEA Cowra, NSW (Comet was well condensed. Magnitude estimate probably too conservative due to bright moonlight.) 2006 5 18.15 S 6.7 TK 5.0B 7 15 5 0.8 260 BIV Pico-Veleta, Spain 2006 5 17.14 S 6.6 TK 5.0B 7 15 5 0.8 250 BIV Pico-Veleta, Spain 2006 5 16.02 M 6.8:TK 10.0R 30 6 4 GRA Fjellhamar (A challenging object due to its altitude [19 deg.] and bright sky background; Sun 9.5 deg. below horizon. Visibility of 73P-C was considerably inferior to that of M15.) 2006 5 15.15 S 6.6 TK 5.0B 7 15 6 0.8 255 BIV Pico-Veleta, Spain 2006 5 14.14 S 6.5 TK 5.0B 7 15 5 1.0 250 BIV Pico-Veleta, Spain 2006 5 13.99 M 6.6 TK 7.0R 20 9 5 GRA Fjellhamar 2006 5 13.99 M 6.4 TK 5.0B 7 11 4 GRA Fjellhamar (With 7.0-cmR, the glow of comet was of similar brightness as M27, although the latter object appeared smaller. 73P-C was faint in 7x50B. Twilight, Sun 11 deg. below horizon.) 2006 5 13.13 S 6.3 TK 5.0B 7 15 6 0.9 245 BIV Pico-Veleta, Spain 2006 5 12.01 M 6.6 TK 7.0R 20 8 5 GRA Fjellhamar 2006 5 12.01 M 6.5 TK 5.0B 7 9 4 GRA Fjellhamar (A quite challenging object due to Moon, twilight and some interference from high clouds. NEL 4.5.) 2006 5 11.081 S 5.9 TK 6.0B 12 5 4 LOO Genk 2006 5 11.08 S 6.6 TK 5.0B 7 8 5 BIV Poigny-la-Forêt 2006 5 11.02 S 6.9:TK 5.0B 7 8 5 0.5 240 BIV Poigny-la-Forêt 2006 5 11.011 M 6.0 TK 5.0B 7 12 4 BOU Groningen 2006 5 11.01 M 6.0 TK 5.0B 7 6 7 0.5 255 GON Santa María del Páramo, León (Moonlight interference.) 2006 5 11.007 M 6.2 TK 6.0B 15 10 4/ DIJ Groningen 2006 5 10.99 M 6.6 TK 5.0B 7 10 4 GRA Fjellhamar 2006 5 10.99 M 6.7 TK 7.0R 20 9 5 GRA Fjellhamar 2006 5 10.035 S 6.0 TK 5.0B 7 12 4 BOU Groningen 2006 5 9.946 M 6.5 TK 5.0B 7 9 4/ DIJ Groningen 2006 5 9.00 M 6.5 TK 5.0B 7 10 5 GRA Fjellhamar (73P-C appeared considerably fainter and less condensed than 73P-B; it was, however, clearly visible in 7x50B. Moon, twilight and somewhat hazy sky, but the conditions were better than during the previous nights. NEL 5.2.) 2006 5 8.998 M 6.2 TK 5.0B 7 10 4/ BOU Groningen (Moonlight. Comet faintly visible. Fragment B now is clearly the brighter object.) 2006 5 8.954 M 6.7 TK 6.0B 15 6 5 DIJ Groningen 2006 5 7.92 S 5.9 AC 6.0B 20 15 4/ RES Szamotuly-Galowo 2006 5 7.00 M 6.5 TK 5.0B 7 10 4 GRA Fjellhamar (Comet only faintly visible due to strong haze. NEL 4.5.) 2006 5 6.91 S 6.0 AC 6.0B 20 14 4/ RES Szamotuly-Galowo 2006 5 6.02 M 6.5 TK 5.0B 7 10 5 0.5 230 GRA Fjellhamar 2006 5 6.02 M 6.7 TK 10.0R 25 8 6 GRA Fjellhamar (Hazy sky and twilight, NEL ~4.8.) 2006 5 5.88 S 6.2 AC 6.0B 20 10 5/ RES Szamotuly-Galowo 2006 5 5.11 I 6.2 TK 0.0E 1 10 8 0.5 245 GON Puerto de la Magdalena, León 2006 5 5.10 M 6.4 TK 5.0B 7 8 7 0.8 245 GON Puerto de la Magdalena, León 2006 5 4.97 M 6.6 TK 5.0B 7 12 5 GRA Fjellhamar 2006 5 4.97 M 6.7 TK 10.0R 25 10 6 0.4 225 GRA Fjellhamar (Clearly fainter than M13. Hazy sky, NEL 5.0.) 2006 5 4.933 M 6.7 TK 6.0B 15 9 6 0.6 231 DIJ Groningen (Moonlight, and somewhat hazy sky.) 2006 5 4.86 S 6.3 AC 6.0B 20 10 5/ RES Szamotuly-Galowo 2006 5 4.68 S 6.1 TJ 2.4B 10 18 7 0.7 240 YOS Gunma, Japan (It did not brighten during my stay for a week.) 2006 5 4.67 M 6.2 TJ 7.0R 10 12 7/ 1.4 240 YOS Gunma, Japan (The tail seemed spreading widely.) 2006 5 4.04 S 6.6 TK 5.0B 7 14 6 1.0 230 BIV Poigny-la-Forêt 2006 5 3.87 S 6.3 AC 0.7E 1 13 4 RES Szamotuly-Galowo 2006 5 3.87 S 6.5 AC 6.0B 20 11 5 0.7 225 RES Szamotuly-Galowo 2006 5 3.66 S 5.9 TJ 2.4B 10 14 7 0.6 240 YOS Gunma, Japan (It was not clearly visible with naked eyes.) 2006 5 3.65 S 6.0 TJ 7.0R 10 16 7 1.2 240 YOS Gunma, Japan (Now it is already very nearby the earth. But the central condensation is still very strong. Magnificent and fantastic view with a broad, very long tail. The tail looks typical for a dust tail of a historical great comet. Therefore, I cannot imagine the comet was already very near by the earth. On the contrary, it looks as if I was watching a great comet far away from the earth.) 2006 5 3.04 S 5.8 TK 5.0B 10 15 7 0.8 240 GIL Thalfang, Hunsrück, Germany (Fragment C as well as M13 clearly visible with the naked eye.) 2006 5 3.010 M 6.2 TK 3.0B 8 16 5 0.4 240 KRI Schierling 2006 5 2.961 M 6.4 TK 5.0B 7 12 5/ BOU Thesinge (With 15x80B, tail 0.9 deg. in p.a. 230 deg.) 2006 5 2.958 M 6.8 TK 6.0B 15 9 6 DIJ Groningen 2006 5 2.951 S 6.7 TK 6.0B 12 7 6 LOO Genk 2006 5 2.926 M 7.3 TK 30.5T 56 & 5 8 0.4 COM Roden 2006 5 2.73 S 6.4 TJ 2.4B 10 14 6/ 1.2 250 YOS Gunma, Japan 2006 5 2.73 M 6.4 TJ 7.0R 10 13 7 2.5 250 YOS Gunma, Japan (I could see extremely long tail.) 2006 5 2.55 S 7.2 AA 10.0B 25 SEA The Entrance, NSW (Comet low and observing time only brief before comet disappeared behind nearby apartment building.} 2006 5 2.05 S 6.7 TK 5.0B 7 8 6 0.8 225 BIV Poigny-la-Forêt 2006 5 2.028 S 7.0 TK 6.0B 12 3.5 5 LOO Genk 2006 5 1.01 M 6.8 TK 5.0B 7 8 S7 0.8 230 GON Aralla, León 2006 4 30.97 M 7.2 TK 10.0B 25 6 S7 0.8 230 GON Aralla, León (Near-stellar central condensation, m2~8.0.) 2006 4 30.940 M 7.0 TK 6.0B 15 10 6 0.5 220 DIJ Groningen 2006 4 30.69 S 6.2 TJ 2.4B 10 12 7 0.4 235 YOS Gunma, Japan 2006 4 30.68 S 6.4 TJ 7.0R 10 12 7 0.8 235 YOS Gunma, Japan (I estimated it brighter, and the tail was longer than others reported, probably due to the clear sky.) 2006 4 30.58 B 7.4 AA 10.0B 25 SEA The Entrance, NSW 2006 4 29.999 M 7.5 TK 8.0B 15 & 5 6 1.0 COM Roden (Fine tail in 30.5T at 56x, broad at the end.) 2006 4 29.97 S 7.5 TK 40.7L 58 4.5 6 0.5 225 BIV La Couyère observatory, near Rennes 2006 4 29.93 S 7.0 TK 5.0B 7 13 6 0.8 225 BIV La Couyère observatory, near Rennes 2006 4 29.916 M 6.9 TK 5.0B 7 12 5 0.7 230 BOU Sint Annen 2006 4 29.915 M 7.0 TK 5.0B 7 10 6 0.8 225 DIJ Sint Annen 2006 4 29.76 S 6.3 TJ 7.0R 10 12 6 YOS Ibaraki, Japan (I was surprised that it was already very bright as 6th mag.) 2006 4 29.03 M 7.2 TK 5.0B 7 6 7 0.4 230 GON Alto del Trichero - Soto y Amío, León 2006 4 29.01 S 7.7 TK 40.7L 58 4 6 0.5 225 BIV La Couyère observatory, near Rennes 2006 4 28.955 S 7.8 TK 25.0L 53 3 8 20m LOO Genk 2006 4 28.94 S 7.1 TK 5.0B 7 10 6 BIV La Couyère observatory, near Rennes 2006 4 28.90 M 7.6 TK 10.0B 25 5 6 0.4 230 GON Alto del Trichero - Soto y Amío, León 2006 4 28.03 M 6.7 TK 5.0B 7 11 5/ GRA Fjellhamar 2006 4 28.03 M 7.1 TK 10.0R 25 8 6/ 0.5 230 GRA Fjellhamar (With 10.0-cmR, tail was broad and brighter than that of 73P-B. 73P-C appeared as an elongated glow with 7x50B, the given m1 and "average" size refer to coma plus inner tail; I was not able to clearly distinguish the tail from coma with this instrument; the glow appeared clearly fainter than M13, but somewhat brighter than M81. NEL ~6.0.) 2006 4 27.967 M 7.2 TK 6.0B 15 5.0 6 0.6 215 DIJ Groningen 2006 4 27.915 M 7.6 TK 8.0B 15 6 6 0.4 228 BOU Sint Annen 2006 4 27.904 M 8.0 TK 30.5T 56 7 8 0.5 COM Roden (Nice comet with narrow tail, broader at the end.) 2006 4 27.54 S 7.3 AA 3.5B 6 SEA Cowra, NSW 2006 4 26.97 S 7.9 TK 40.7L 58 4 6 0.5 225 BIV Poigny-la-Forêt 2006 4 26.97 S 7.6 TK 5.0B 7 8 6 BIV Poigny-la-Forêt 2006 4 26.949 M 7.1 TK 6.0B 15 5.5 6 DIJ Groningen 2006 4 26.933 M 7.7 TK 15.6L 29 4 6/ BOU Groningen 2006 4 26.872 S 8.2 TK 25.0L 53 1 6 LOO Genk 2006 4 26.85 S 7.2 AC 6.0B 20 5.5 6 RES Szamotuly-Galowo 2006 4 26.55 S 7.4 AA 3.5B 6 SEA Cowra, NSW (In 25x100B, tail 0.8 degrees in p.a. 230 degrees.) 2006 4 25.85 S 7.4 AC 6.0B 20 5.5 6 RES Szamotuly-Galowo 2006 4 25.54 B 7.6 AA 10.0B 25 3 0.6 235 SEA Cowra, NSW (Comet proved to be a spectacular sight in binoculars and, especially, in 25.4L at 71x where the dust tail was bright.) 2006 4 25.02 M 7.8 TK 10.0R 25 6 6 GRA Fjellhamar (Comet not visible with 7x50 binoculars. Hazy sky. NEL = 4.8.) 2006 4 24.98 B 8.0 TK 40.7L 58 5 6 0.5 230 BIV Poigny-la-Forêt 2006 4 24.96 S 7.7 TK 5.0B 7 7 6 BIV Poigny-la-Forêt 2006 4 24.903 S 8.5 TK 25.0L 53 0.5 7 LOO Genk 2006 4 24.84 S 7.5 AC 6.0B 20 5.0 5/ RES Szamotuly-Galowo 2006 4 24.56 S 7.7 AA 3.5B 6 SEA Cowra, NSW 2006 4 24.50 B 7.6 AA 10.0B 25 SEA Cowra, NSW 2006 4 23.86 S 7.7 AC 6.0B 20 4.5 5/ RES Szamotuly-Galowo 2006 4 22.98 S 8.4 TK 40.7L 58 4.5 6 0.4 225 BIV Poigny-la-Forêt 2006 4 22.96 S 8.1 TK 5.0B 7 7 6 BIV Poigny-la-Forêt 2006 4 22.96 M 7.8 TK 5.0B 7 4 7 0.4 230 GON Alto del Trichero - Soto y Amío, León 2006 4 22.90 M 8.1 TK 10.0B 25 4 7 0.4 230 GON Alto del Trichero - Soto y Amío, León 2006 4 22.54 S 7.6 AA 5.0B 10 SEA The Entrance, NSW 2006 4 22.02 M 7.7 TK 5.0B 7 8 5 GRA Fjellhamar 2006 4 22.02 M 7.8 TK 10.0R 25 7 5/ 0.3 225 GRA Fjellhamar (73P-C was quite easily seen with 7x50B, in spite of its location under a degree from α CrB; it appeared somewhat fainter than M27, but brighter than the combined glow from M51 and NGC 5195. NEL ~5.5.) 2006 4 21.53 S 7.4 AA 10.0B 25 SEA The Entrance, NSW (Comet close to α CrB. Estimate may have been too bright.) 2006 4 21.02 M 7.9 TK 5.0B 7 8 5 GRA Fjellhamar 2006 4 21.02 M 7.9 TK 10.0R 25 8 6 0.4 230 GRA Fjellhamar (Not too difficult to observe despite α CrB in the same field. Bortle class 5 sky. NEL ~6.0.) 2006 4 20.91 S 8.2 TK 40.7L 58 4.5 6 0.35 225 BIV Poigny-la-Forêt 2006 4 20.91 S 8.0 TK 5.0B 7 8 5 BIV Poigny-la-Forêt 2006 4 20.91 S 7.9 AC 6.0B 20 5.0 6 RES Szamotuly-Galowo 2006 4 19.938 S 8.9 TK 25.0L 53 0.5 7 LOO Genk 2006 4 19.91 S 8.1 AC 6.0B 20 4.5 6 RES Szamotuly-Galowo 2006 4 19.07 M 8.1 TK 5.0B 7 6 5 GRA Fjellhamar 2006 4 19.07 M 8.1 TK 10.0R 25 6 5/ 0.2 240 GRA Fjellhamar (With 10.0-cmR, a broad tail was visible, length and p.a. are approximate. Some twilight, NEL ~5.5.) 2006 4 18.05 M 8.2 TK 5.0B 7 5 5 GRA Fjellhamar 2006 4 18.05 M 8.2 TK 15.2L 38 5 6 GRA Fjellhamar (The comet was fairly well seen in 7x50B. Its visibility was comparable to the combined glow from M51 and NGC 5195.) 2006 4 17.984 M 8.3 TK 15.6L 29 4 7 0.3 240 BOU Sint Annen (Comet strongly condensed. Tail broad and slightly curving northwards.) 2006 4 17.94 S 8.5 AC 6.0B 20 4.0 5 RES Szamotuly-Galowo 2006 4 17.93 S 8.5 TK 40.7L 58 4.5 6 0.33 220 BIV Poigny-la-Forêt 2006 4 17.93 S 8.2 TK 5.0B 7 7 5 BIV Poigny-la-Forêt 2006 4 17.861 S 9.0 TK 25.0L 53 0.5 7 LOO Genk 2006 4 17.54 M 9.1 TJ 40.0L 75 4.0 s7 YOS Ibaraki, Japan (The outer coma seems very large. It seems to have become much larger than before. The central condensation is strong as before in spite of the hazy sky condition.) 2006 4 17.07 M 8.4 TK 15.2L 38 5 6 GRA Fjellhamar 2006 4 15.97 S 8.8 AC 41.0L 72 2.5 6 RES Szamotuly-Galowo 2006 4 15.89 M 8.7 TK 10.0R 25 5 6 GRA Tryvann, Oslo (Also faintly visible in 7x50 binoculars.) 2006 4 14.98 M 8.9 TK 20.3T 83 3.5 5/ 0.12 245 GRA Fjellhamar 2006 4 14.98 M 8.7 TK 10.0R 30 4 5 GRA Fjellhamar 2006 4 14.860 M 8.9 TK 25.4J 58 3.0 6 DIJ Sint Annen 2006 4 14.856 M 8.9 TK 25.4J 58 3 5/ BOU Sint Annen 2006 4 11.18 M 8.8 TK 10.0B 25 3.0 5 0.15 250 GON Cubillas de Arbás, León 2006 4 11.15 M 9.4 TK 20.3T 77 2.0 6 0.1 250 GON Cubillas de Arbás, León (Estimates were made in strong moonlight. Mountain location, very clear sky.) 2006 4 9.99 S 9.3 AC 41.0L 72 2.8 6 RES Szamotuly-Galowo 2006 4 8.984 S 9.5:TK 25.4J 58 2.5 4/ DIJ Sint Annen 2006 4 8.983 M 9.5 TK 25.4J 58 & 3 7 BOU Sint Annen (Moonlight. Brief observation, terminated by clouds.) 2006 4 8.01 S 10.2 TK 40.7L 58 3.5 6 BIV Poigny-la-Forêt 2006 4 7.01 S 9.3 AC 41.0L 72 2.7 7 RES Szamotuly-Galowo 2006 4 6.132 S 9.5 TK 25.0L 53 1.5 7 LOO Genk 2006 4 6.12 S 9.7 TK 40.7L 58 4 6 0.2 245 BIV Poigny-la-Forêt 2006 4 6.10 M 9.8 TK 20.3T 83 1.5 5 GRA Fjellhamar (73P-C appeared somewhat fainter, but considerably less condensed than 73P-B. It nevertheless showed a false nucleus of 12th magnitude. Both components were quite easily seen.) 2006 4 5.95 S 9.3 AC 41.0L 72 3.0 5/ 0.05 255 RES Szamotuly-Galowo 2006 4 4.06 S 10.0 TK 40.7L 58 4.0 6 0.17 255 BIV Poigny-la-Forêt 2006 4 3.15 M 10.1 TK 20.3T 77 2.5 S7 0.15 260 GON Alto del Trichero - Soto y Amío, León 2006 4 2.884 S 9.7 TK 25.0L 53 1 6 LOO Genk 2006 4 2.85 S 9.7 AC 41.0L 72 2.6 5/ 0.05 250 RES Szamotuly-Galowo 2006 4 2.18 M 9.9 TK 10.0B 25 3.0 7 0.2 260 GON La Cortina - Lena, Asturias 2006 4 2.01 S 9.8 AC 41.0L 72 2.5 5/ 0.05 244 RES Szamotuly-Galowo 2006 4 1.917 S 9.9 TK 8.0B 15 3.5 4/ BOU Kestel - Alanya, Turkey 2006 4 1.913 S 9.8 TK 8.0B 15 3.5 4 DIJ Kestel - Alanya, Turkey 2006 3 31.986 S 10.7 TK 20.3T 110 1.8 6/ 1.4m 250 KRI Schierling 2006 3 31.66 M 9.6 TJ 40.0L 36 3.0 S7 6m 255 YOS Ibaraki, Japan (It brightened drastically within last three weeks. Now it is easy to find when I moved my telescope roughly to the position. Excellent view with a broad tail. The central condensation is very strong as before. The stellar nucleus is clearly visible.) 2006 3 29.91 S 10.1 TK 10.0M 33 3.0 6 0.1 260 BIV Sahara desert, Lybia 2006 3 29.00 S 10.0 AC 41.0L 72 2.1 5 RES Szamotuly-Galowo (Possible tail 3' long at p.a. 240 deg.) 2006 3 28.15 S 10.2 TK 10.0B 25 3.0 5 0.3 255 GON Alto del Trichero - Soto y Amío, León 2006 3 28.05 S 10.7 TK 20.3T 77 2.5 5 0.15 255 GON Alto del Trichero - Soto y Amío, León 2006 3 27.87 S 10.3 TK 10.0M 33 3.0 6 0.1 260 BIV Sahara desert, Lybia 2006 3 25.93 B 10.7 TK 10.0M 33 3.0 5 BIV Sahara desert, Lybia 2006 3 24.93 S 10.7 AC 41.0L 72 1.7 4/ RES Szamotuly-Galowo 2006 3 23.96 S 10.9 AC 41.0L 72 1.7 4/ RES Szamotuly-Galowo 2006 3 23.944 M 10.9 AU 31.0J 72 2.4 5 BOU Sint Annen 2006 3 23.942 M 11.0 AU 31.0J 72 2.3 5/ DIJ Sint Annen 2006 3 22.94 S 11.1 AC 41.0L 72 1.5 4/ RES Szamotuly-Galowo 2006 3 22.911 M 11.2 AU 31.0J 72 1.6 7 DIJ Sint Annen 2006 3 22.907 M 11.1 AU 31.0J 72 2.3 5/ BOU Sint Annen (At 89x faint broad tail visible, 6' long in p.a. 245 deg.) 2006 3 19.95 S 11.4 TK 40.7L 58 2.5 5 BIV Poigny-la-Forêt 2006 3 19.934 S 11.5 TK 20.3T 110 1.4 5 KRI Schierling 2006 3 18.91 S 11.8 TK 25.6L 84 1.5 5 BIV Versailles 2006 3 9.08 S 11.9 AC 41.0L 72 1.2 5 RES Szamotuly-Galowo 2006 3 8.19 S 11.9 TK 20.3T 133 1.7 5 GON Bonella - Riello, León 2006 3 7.148 M 12.1 AU 25.4J 72 2.2 6 BOU Sint Annen 2006 3 6.21 S 12.3 HS 25.6L 42 1.5 6 BIV Poigny-la-Forêt 2006 3 5.61 S 12.1 AU 40.0L 144 1.0 7 YOS Ibaraki, Japan (It looked strongly condensed and the false nucleus was visible.) 2006 3 4.98 S 12.6 AC 41.0L 72 0.9 4/ RES Szamotuly-Galowo 2006 3 4.82 S 12.4 AU 40.0L 144 1.1 6 YOS Ibaraki, Japan (The comet was bright and clearly visible even through thin clouds.) 2006 3 4.16 S 12.5 AC 41.0L 72 1.1 3/ RES Szamotuly-Galowo 2006 3 2.17 S 11.9 HS 25.6L 84 1.5 6 BIV Poigny-la-Forêt 2006 2 28.19 S 12.8 TK 20.3T 100 1.5 4 GON Bonella - Riello, León 2006 2 27.68 S 12.3 AU 40.0L 144 1.1 7 YOS Ibaraki, Japan (Finally I could see it. Very bright! Already easy to see. In the excellent clear sky, the central condensation was very sharp. The broad short tail extended from the false nucleus, which reminded me of the recent CCD images. Excellent and fantastic view.) 2006 2 27.12 S 12.3 HS 40.7L 58 1.6 6 BIV Poigny-la-Forêt 2006 2 26.98 S 12.7 AC 41.0L 72 1.1 3/ RES Szamotuly-Galowo 2006 2 23.99 S 13.0 AC 41.0L 72 0.9 3/ RES Szamotuly-Galowo 2006 2 7.24 S 13.8 HN 20.3T 133 0.3 6 GON Pobladura de Luna, León (Comparison stars taken from Henden photometry near GP Com.) 2006 2 4.24 S 14.0 HN 20.3T 100 0.3 6 GON Pobladura de Luna, León (Comparison stars taken from Henden photometry near GP Com.) 2006 1 31.22 S 14.2 HN 20.3T 133 0.3 6 GON Sena de Luna, León (Mountain location, very clear sky. Limiting stellar magnitude: 15.0. Motion checked during a 60-min period. Comparison stars taken from Henden photometry near GP Com.) 2006 1 30.13 S 13.5 HS 40.7L 116 1.0 4 BIV Poigny-la-Forêt 2006 1 24.09 S 13.2 HS 40.7L 116 0.8 5 BIV Poigny-la-Forêt 2006 1 8.75 S[14.7 AU 40.0L 257 !0.4 YOS Ibaraki, Japan (Juan José González reported it was visible visually as 15th mag. But I could not see the comet, although the limiting magnitude was very deep.) 2006 1 4.19 I 15.2 HS 20.3T 160 9 GON Alto del Trichero - Soto y Amío, León (Mountain location, very clear sky. Limiting stellar magnitude: 15.5. Faint object, stellar appearance. Motion checked during a 90-min period.)