* * * * * 9P/Tempel 1 * * * * *

Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2022 7 25.51 M 15.0 AQ 40.0L 182 0.5 3/ WYA Walcha, NSW (Difficult. Visible in periods of good seeing. Small and diffuse coma.) 2022 5 6.74 S 14.7 AQ 40.0L 182 0.7 2 WYA Walcha, NSW (Very diffuse.)
2016 9 19.41 S 13.0 AQ 40.6L 165 0.5 2 CAM Warners Bay, NSW 2016 9 6.38 S 12.7 AQ 40.6L 165 1.5 3 CAM Warners Bay, NSW 2016 8 27.40 S 13.0 AQ 40.6L 165 1.0 3 CAM Warners Bay, NSW 2016 8 1.89 S 9.9 TK 20.3T 77 6 3 GON Cueto Rosales, León (Astronomical twilight.) 2016 7 31.97 S 10.3 TK 22.0L 60 3 2/ GOI Araçatuba 2016 7 31.39 S 11.9 AQ 25.0L 39 2.8 2/ WYA Walcha, NSW (Very diffuse, slight brightening to centre.) 2016 7 28.38 S 12.0 AQ 25.0L 39 3.1 3/ WYA Walcha, NSW (Coma very diffuse, brightens to centre but weakly condensed. Slight zodiacal light interference.) 2016 7 27.90 S 9.8 TK 20.3T 77 5 2/ GON Alto del Castro, León (End of astronomical twilight.) 2016 7 25.45 S 12.4 AQ 40.6L 165 1 2 CAM Warners Bay, NSW 2016 7 25.38 S 12.2 AQ 25.0L 39 2.6 2/ WYA Walcha, NSW (Coma diffuse. Close to mag 8.7 star 3.4’ away. Does not enhance in Swan Band filter.) 2016 7 8.94 S 10.8 TK 20.3T 77 3 2 GON Cueto Rosales, León 2016 7 3.92 S 11.5 AU 22.0L 60 2.5 3/ GOI Araçatuba 2016 7 3.41 S 12.0 AQ 40.6L 165 1.5 2 CAM Warners Bay, NSW 2016 7 2.92 S 10.8 TK 20.3T 77 3.5 2/ GON Alto del Castro - Aralla, León 2016 7 2.39 M 12.5 AQ 25.0L 39 3 3/ WYA Walcha, NSW (Coma diffuse, semi-transparent edges with slight brightening to a moderately condensed and opaque centre. Does not enhance in Swan Band filter.) 2016 6 28.48 S 12.3 AQ 25.0L 39 2.3 3 WYA Walcha, NSW (Diffuse coma slightly brightening to a weakly condensed centre. Does not enhance in Swan Band filter.) 2016 6 27.93 S 10.9 TK 20.3T 77 3 3 GON Alto del Castro - Aralla, León 2016 6 9.44 S 12.8 AQ 40.6L 165 1.0 2 CAM Warners Bay, NSW 2016 6 9.02 S 11.6 AU 22.0L 160 2.5 3 GOI Araçatuba 2016 6 8.38 S 12.8 AQ 40.6L 165 1.0 2/ CAM Warners Bay, NSW 2016 6 8.04 S 11.7 AU 22.0L 160 2 2/ GOI Araçatuba 2016 6 3.49 S 13.0 TA 40.0L 144 0.9 4 YOS Kita-karuizawa, Gunma (It became much brighter, and easy to see.) 2016 5 31.94 S 11.3 TK 20.3T 77 3 3 GON Alto del Castro - Aralla, León 2016 5 29.41 S 13.0 AQ 40.6L 165 1.0 3 CAM Warners Bay, NSW 2016 5 8.906 S 13.4 AQ 30.5T 102 0.9 3/ DIJ Burlage 2016 5 8.903 S 13.5 AQ 30.5T 102 0.9 4 BOU Burlage, Germany 2016 5 4.50 S 13.8 TA 40.0L 144 1.1 3 YOS Kita-karuizawa, Gunma (It looks somewhat brighter.) 2016 5 2.48 S 13.9 AU 40.0L 257 0.8 1/ YOS Kita-karuizawa, Gunma (The sky condition was good. It looks bright, but diffuse and fainter than expected.) 2016 5 1.901 S 13.5 AQ 30.5T 139 0.8 4 BOU Burlage, Germany 2016 5 1.898 S 13.6 AQ 30.5T 139 1.1 3/ DIJ Burlage 2016 5 1.46 S 14.6 AU 40.0L 257 0.4 3 YOS Kita-karuizawa, Gunma (I think I underestimated it, because it was located near a star.) 2016 4 15.71 S 14.0 AU 40.0L 257 0.5 3 YOS Mt. Hanadate, Ibaraki (Near limit.) 2016 4 10.946 S 13.6 AQ 30.5T 139 1.2 3/ DIJ Burlage 2016 4 10.943 S 14.0 AQ 30.5T 139 0.5 4 BOU Burlage, Germany 2016 4 8.71 S 14.4 AU 40.0L 257 0.3 3/ YOS Mt. Hanadate, Ibaraki (Still faint.)
2005 8 5.87 S 11.6 TK 40.7L 58 2.3 2 BIV Valdrôme 2005 8 5.47 S 10.9 TJ 40.0L 144 1.5 3 YOS Gunma, Japan (Very low in the evening, and hard to see. It looks diffused, but I also found a weak condensation. So it may look diffused now only due to the low position.) 2005 8 3.87 S 11.9 TK 40.7L 58 2.5 2 BIV Valdrôme 2005 8 2.92 S 10.9 TK 20.3T 100 2.5 3 GON Alto del Castro - Aralla, León (Altitude: 9 deg.) 2005 8 1.43 S 11.0 GA 25.4L 71 4 SEA Cowra, NSW 2005 7 31.87 S 11.3 TK 40.7L 58 2.5 2 BIV Valdrôme 2005 7 30.87 S 11.2 TK 40.7L 58 3.0 2 BIV Valdrôme 2005 7 29.91 S 10.8 TK 20.3T 100 3 3 GON Alto del Trichero - Soto y Amío, León 2005 7 29.44 S 11.0 GA 25.4L 71 4 SEA Cowra, NSW 2005 7 28.49 S 10.5 TJ 40.0L 144 1.6 3 YOS Gunma, Japan (Small and faint. Low, the sky was dim, and hard to see. Maybe I viewed only the central part.) 2005 7 11.95 S 10.4 TK 20.3T 77 3 4 GON Alto del Trichero - Soto y Amío, León 2005 7 11.891 S 10.9 TK 31.0J 58 2.7 2 BOU Revest-du-Bion, France 2005 7 11.890 S 11.0 TK 31.0J 58 2.1 1 DIJ Revest-du-Bion, France 2005 7 10.92 S 11.0 TK 20.3T 67 2.7 2 BIV Pico-Veleta, Spain 2005 7 10.891 S 10.9 TK 31.0J 58 2.1 1/ DIJ Revest-du-Bion, France 2005 7 10.889 S 10.8 TK 31.0J 58 2.5 3 BOU Revest-du-Bion, France 2005 7 9.93 S 11.1 TK 20.3T 67 3.0 2 BIV Pico-Veleta, Spain 2005 7 8.93 S 10.7 TK 20.3T 67 3.0 2 BIV Pico-Veleta, Spain 2005 7 8.885 S 10.6 AU 31.0J 58 2.0 2/ DIJ Revest-du-Bion, France 2005 7 8.884 S 10.5 AU 31.0J 58 2.8 3/ BOU Revest-du-Bion, France 2005 7 7.94 S 10.0 TK 10.0B 25 5 4 GON Alto del Trichero - Soto y Amío, León 2005 7 7.93 S 10.2 TK 20.3T 77 4 5 GON Alto del Trichero - Soto y Amío, León 2005 7 7.92 S 10.6 TK 20.3T 67 3.8 3 BIV Pico-Veleta, Spain 2005 7 6.92 S 11.0 TK 20.3T 67 3.5 2 BIV Pico-Veleta, Spain 2005 7 6.888 S 10.0 AU 8.0B 15 3.5 3 BOU Revest-du-Bion, France 2005 7 6.883 S 10.4 AU 31.0J 58 2.3 3/ DIJ Revest-du-Bion, France 2005 7 6.881 S 10.4 AU 31.0J 58 2.5 4 BOU Revest-du-Bion, France 2005 7 5.94 S 9.9 TK 10.0B 25 5 4 GON Alto del Trichero - Soto y Amío, León 2005 7 5.93 S 10.2 TK 20.3T 77 4 5 GON Alto del Trichero - Soto y Amío, León 2005 7 5.896 S 10.5 AU 31.0J 58 2.5 3/ DIJ Revest-du-Bion, France 2005 5 5.894 S 10.3 AU 31.0J 58 2.5 4 BOU Revest-du-Bion, France (Comet appears only marginally brighter and more condensed than 48h ago. Unfortunately, the first night following the Deep Impact hit was clouded out after thunderstorms.) 2005 7 5.89 S 10.7 TK 20.3T 67 5.0 2 BIV Pico-Veleta, Spain (With 160x, cent. cond. at m=14.3. Larger coma, Dia=5'.) 2005 7 5.42 S 10.2 AA 10.0B 25 SEA The Entrance, NSW (Comet was very vague and difficult to see with certainty. Possibly a little enhanced on both nights using Swan Band filter and I suspected a small, faint, central condensation visible only through the filter, on the second evening. Difficult to be sure however, as it was on the margin of visibility. There was no obvious effect due to Deep Impact probe.) 2005 7 4.94 S 10.7 TK 20.3T 67 4.0 3 BIV Pico-Veleta, Spain (With 160x, cent. cond. at m=14.4. Brighter inner coma with Dia=1.5'.) 2005 7 4.94 S 9.9 TK 10.0B 25 5 4 GON Alto del Trichero - Soto y Amío, León 2005 7 4.93 S 10.1 TK 20.3T 77 4 6 GON Alto del Trichero - Soto y Amío, León (Mountain location, clear sky. Altitude: 20 deg. Asymmetric coma with bright inner region. Near-stellar central condensation, m2~12.5.) 2005 7 4.89 S 10.5 TK 20.3T 67 4.3 4 BIV Pico-Veleta, Spain 2005 7 3.894 S 10.4 AU 31.0J 72 2.0 2/ DIJ Revest-du-Bion, France 2005 7 3.89 S 10.8 TK 20.3T 67 3.5 3 BIV Pico-Veleta, Spain (At 160x, cent. cond. at m=14.3.) 2005 7 3.889 S 10.4 AU 31.0J 72 2.5 3/ BOU Revest-du-Bion, France 2005 7 3.43 S 10.1 AA 10.0B 25 SEA The Entrance, NSW 2005 7 2.97 S 10.3 TK 10.0B 25 3 2 GON Alto del Castro - Aralla, León 2005 7 2.96 S 10.5 TK 20.3T 77 3 3 GON Alto del Castro - Aralla, León 2005 7 2.92 S 10.8 TK 20.3T 67 4 3 BIV Pico-Veleta, Spain 2005 7 2.888 S 9.9 AU 8.0B 15 4 3/ BOU Revest-du-Bion, France 2005 7 1.97 S 10.1 TK 10.0B 25 4 3 GON Alto del Castro - Aralla, León 2005 7 1.96 S 10.3 TK 20.3T 77 3 3 GON Alto del Castro - Aralla, León 2005 7 1.89 S 11.0 TK 20.3T 67 4 3 BIV Pico-Veleta, Spain 2005 6 26.97 S 9.9 TK 10.0B 25 6 3 GON Alto del Castro - Aralla, León 2005 6 26.96 S 10.2 TK 20.3T 77 5 4 GON Alto del Castro - Aralla, León 2005 6 25.97 S 9.8 TK 10.0B 25 6 3 GON Alto del Castro - Aralla, León 2005 6 25.96 S 10.1 TK 20.3T 77 5 4 GON Alto del Castro - Aralla, León 2005 6 14.96 S 10.6 TK 40.7L 58 2.4 3 BIV Ablis 2005 6 11.97 S 10.6 TK 40.7L 58 2.5 3 BIV Ablis 2005 6 10.96 S 10.7 TK 40.7L 58 3.0 3 BIV Ablis 2005 6 9.00 S 10.1 TK 10.0B 25 3.5 4 GON Alto del Castro - Aralla, León 2005 6 8.99 S 10.3 TK 20.3T 77 3.5 4 GON Alto del Castro - Aralla, León 2005 6 8.96 S 10.8 TK 25.6L 42 2.5 3 BIV Ablis 2005 6 7.94 S 11.1 TK 40.7L 58 2.2 4 BIV Ablis 2005 6 7.41 S 10.2 AA 10.0B 25 SEA The Entrance, NSW 2005 6 6.50 S 10.1 TJ 40.0L 75 2.9 4/ YOS Gunma, Japan (It looked small. Probably it has a tail. This will be my last observation before the Deep Impact.) 2005 6 5.97 S 10.1 TK 10.0B 25 3.5 4 GON Alto del Castro - Aralla, León 2005 6 5.96 S 10.3 TK 20.3T 77 3.5 4 GON Alto del Castro - Aralla, León 2005 6 2.98 S 11.2 TK 40.7L 58 3.0 3 BIV Ablis 2005 6 2.40 S 10.2 AA 10.0B 25 SEA The Entrance, NSW 2005 6 2.02 S 10.2 TK 10.0B 25 3.5 4 GON Alto del Trichero - Soto y Amío, León 2005 6 2.01 S 10.4 TK 20.3T 77 3.5 4 GON Alto del Trichero - Soto y Amío, León 2005 6 1.44 S 10.1 AA 10.0B 25 SEA The Entrance, NSW 2005 5 31.941 M 10.5 AU 30.5T 56 & 3 3/ COM Roden (At 117x, strong stellar condensation.) 2005 5 31.940 S 10.5 AU 31.0J 72 2.5 4/ BOU Sint Annen 2005 5 31.938 M 10.5 AU 31.0J 72 2.0 4/ DIJ Sint Annen 2005 5 30.94 S 11.0 TK 40.7L 58 2.5 4 BIV Ablis 2005 5 30.93 S 10.4 TK 20.3T 77 3.5 5 GON Gamoniteiro - Sierra del Aramo, Asturias 2005 5 30.42 S 10.0 AA 10.0B 25 SEA The Entrance, NSW 2005 5 28.41 S 9.9 AA 10.0B 25 SEA The Entrance, NSW 2005 5 27.931 S 9.8 TK 25.0L 53 1.5 2 LOO Genk 2005 5 27.92 S 10.7 TK 40.7L 58 2.8 4 BIV Ablis 2005 5 26.92 S 10.2 TK 10.0B 25 3.5 4 GON Sierra del Aramo, Asturias 2005 5 25.94 S 10.2 TK 10.0B 25 3 4 GON Gamoniteiro - Sierra del Aramo, Asturias 2005 5 25.93 S 10.4 TK 20.3T 100 3.5 4 GON Gamoniteiro - Sierra del Aramo, Asturias 2005 5 25.90 S 10.6 TK 40.7L 58 2.8 4 BIV Ablis 2005 5 18.11 S 10.5 TK 20.3T 100 3.5 5 GON Alto del Trichero - Soto y Amío, León 2005 5 18.10 S 10.2 TK 10.0B 25 3 5 GON Alto del Trichero - Soto y Amío, León 2005 5 12.999 M 10.8 AU 31.0J 58 2.5 5 DIJ Sint Annen 2005 5 12.998 M 10.5 AU 31.0J 58 3 5 BOU Sint Annen 2005 5 12.889 S 10.5 AU 25.0L 53 1.5 3 LOO Genk 2005 5 12.44 S 10.8 TK 10.0B 25 3.5 4 MAT Stockport Observatory, SA 2005 5 12.02 S 11.0 TK 40.7L 58 3.0 4 BIV Poigny-la-Forêt 2005 5 11.974 S 10.8 AU 30.5T 56 &3.0 2/ COM Roden 2005 5 11.942 M 10.4 AU 15.6L 29 4 5 BOU Sint Annen 2005 5 11.896 S 10.4 AU 25.0L 53 1.5 3 LOO Genk 2005 5 9.941 S 10.3 AU 25.0L 53 2 4 LOO Genk 2005 5 9.39 S 10.2 AA 10.0B 25 SEA The Entrance, NSW 2005 5 8.920 M 10.4 AU 15.6L 29 3.5 4/ BOU Sint Annen 2005 5 8.86 S 11.2 TK 20.3T 67 2.8 5 BIV Pico-Veleta, Spain 2005 5 8.44 S 10.2 AA 10.0B 25 SEA The Entrance, NSW 2005 5 8.05 S 11.1 TK 20.3T 67 2.4 5 BIV Pico-Veleta, Spain 2005 5 8.034 M 10.8 AU 25.4J 58 3.7 5 DIJ Sint Annen 2005 5 8.031 M 10.7 AU 25.4J 58 3 5 BOU Sint Annen 2005 5 7.01 S 10.4 TK 10.0B 25 3 5 GON Sierra del Aramo, Asturias 2005 5 6.97 S 10.9 TK 20.3T 100 3.0 5 GON Sierra del Aramo, Asturias 2005 5 6.93 S 11.2 TK 20.3T 67 3.0 6 BIV Pico-Veleta, Spain 2005 5 6.906 M 10.8 AU 15.6L 36 2.3 5 DIJ Sint Annen 2005 5 6.903 M 10.6 AU 15.6L 36 3 5 BOU Sint Annen 2005 5 5.91 S 11.3 TK 20.3T 67 3.0 5 BIV Pico-Veleta, Spain (At 160x, cent. cond. at m=13.9, jets in p.a. 160, 200 and 245 deg.) 2005 5 5.54 S 10.3 AA 10.0B 25 SEA The Entrance, NSW 2005 5 4.906 M 10.8 AU 15.6L 36 2.6 5 BOU Sint Annen 2005 5 4.875 S 10.8 AU 30.5T 56 &2.5 3/ COM Roden 2005 5 4.87 S 11.2 TK 20.3T 67 3.0 5 BIV Pico-Veleta, Spain 2005 5 4.49 S 10.4 TJ 40.0L 36 4.5 5 YOS Gunma, Japan 2005 5 3.97 S 11.2 TK 20.3T 67 3.0 6 BIV Pico-Veleta, Spain 2005 5 3.907 M 11.0 AU 25.4J 58 2.2 5 DIJ Sint Annen 2005 5 3.905 M 10.9 AU 25.4J 58 2.4 5/ BOU Sint Annen 2005 5 3.52 S 10.2 TJ 40.0L 36 4.1 5 YOS Gunma, Japan (Surprisingly, it became much brighter, much larger than early April. Now it looks like a usual comet, although the central condensation was very sharp in early April.) 2005 5 2.897 M 11.0 AU 25.4J 58 2.4 5/ BOU Sint Annen 2005 5 2.42 S 10.7 GA 10.0B 25 3 5 SEA Cowra, NSW 2005 5 2.08 S 11.2 TK 20.3T 100 3.0 5 GON Sierra del Aramo, Asturias 2005 4 30.95 S 11.2 TK 40.7L 58 2.2 6 BIV Poigny-la-Forêt 2005 4 30.938 S 10.3 AU 25.0L 53 2 4 LOO Genk 2005 4 29.93 S 11.3 TK 40.7L 58 2.0 6 BIV Poigny-la-Forêt (At 233x, cent. cond. at m=13.9, jet in p.a. 180-200 deg.) 2005 4 28.97 S 10.9 TK 10.0B 25 3 5 GON Sierra del Aramo, Asturias 2005 4 28.95 S 11.3 TK 20.3T 100 3.0 5 GON Sierra del Aramo, Asturias 2005 4 27.914 M 11.1 AU 25.4J 58 2.2 5/ BOU Sint Annen 2005 4 27.912 M 11.2 AU 25.4J 58 3.2 5 DIJ Sint Annen 2005 4 27.871 S 10.7 AU 30.5T 56 &2.5 4 COM Roden 2005 4 25.862 M 11.1 AU 25.4J 72 2.2 4 BOU Sint Annen 2005 4 13.03 S 11.3 AU 20.3T 83 1.6 5 GRA Fjellhamar (Diffuse coma with a distinct central condensation. Comet faintly visible. NEL = 5.5.) 2005 4 12.42 S 11.4 GA 10.0B 25 SEA Cowra, NSW 2005 4 12.14 S 11.6 TK 20.3T 100 1.8 4 GON Alto del Trichero - Soto y Amío, León 2005 4 11.876 M 11.6 AU 31.0J 72 1.8 6 BOU Sint Annen (Comet close to star of magn. 12.2 [AU]. At 155x, near stellar condensation of magnitude 13 visible, asymmetrically placed towards the northern edge of the coma.) 2005 4 11.46 S 11.4 GA 10.0B 25 2 SEA Cowra, NSW (Observed in the binoculars after first being located with 25.4-cmL at 71x. Less visible using Swan Band filter.) 2005 4 11.09 S 11.5 AU 20.3T 100 1.3 4 GRA Fjellhamar (Faint and not seen with certainty using lower power.) 2005 4 10.92 S 11.5 TK 40.7L 58 2.0 6 BIV Poigny-la-Forêt (At 233x, cent. cond. at m=14.0, jet in p.a. 210 deg.) 2005 4 10.00 S 11.6 TK 20.3T 100 1.8 4 GON Alto del Trichero - Soto y Amío, León 2005 4 9.86 S 11.5 TK 25.6L 42 1.5 6 BIV Poigny-la-Forêt 2005 4 8.64 S 12.0 TK 38.0L 75 1.5 5 5m 240 MAT Stockport Observatory, SA 2005 4 7.889 S 11.6 AU 31.0J 72 2.6 4 DIJ Sint Annen 2005 4 7.883 M 11.5 AU 31.0J 72 1.6 4/ BOU Sint Annen 2005 4 5.867 M 11.7 AU 25.4J 72 1.8 4/ BOU Sint Annen 2005 4 5.55 M 11.6 AU 40.0L 144 1.2 7 YOS Ibaraki, Japan (Very bright! The central condensation is very sharp, surrounded by a fan shaped coma.) 2005 4 1.97 S 12.2 HS 40.7L 58 1.5 6 BIV Poigny-la-Forêt 2005 4 1.914 S 11.9 AU 25.4J 72 1.7 4 BOU Sint Annen 2005 4 1.02 S 12.1 AU 20.3T 77 1.5 3 GRA Fjellhamar (Sky was just dark enough to see this comet. NEL = 5.5 [approx.]) 2005 3 31.92 S 12.2 TK 25.6L 84 1.5 6 BIV Poigny-la-Forêt 2005 3 31.910 S 11.9 AU 31.0J 72 2.5 3 DIJ Lauwersoog 2005 3 31.906 M 12.0 AU 31.0J 72 1.6 5 BOU Lauwersoog 2005 3 20.18 S 12.6 HS 25.6L 84 1.3 4 BIV Poigny-la-Forêt 2005 3 18.18 S 12.4 TK 20.3T 100 1.2 4 GON Sierra del Aramo, Asturias 2005 3 18.13 S 12.7 HS 40.7L 58 1.2 4 BIV Poigny-la-Forêt 2005 3 15.15 S 12.6 HS 25.6L 84 1.1 4 BIV Poigny-la-Forêt 2005 3 13.962 S 12.5 AU 25.4J 125 1.2 3/ BOU Sint Annen 2005 3 12.90 S 12.7 HS 25.6L 84 1.0 3 BIV Poigny-la-Forêt 2005 3 11.94 S 12.7 TK 20.3T 100 1.2 3 GON Camposagrado, León 2005 3 8.57 S 12.7 AU 40.0L 144 0.8 4 YOS Ibaraki, Japan (Although it was not visible at all in February, I was surprised that it became easily visible within a month. Very small, rather strongly condensed.) 2005 3 8.01 S 13.1 TK 20.3T 100 0.7 4 GON Camposagrado, León 2005 3 6.165 S 13.1 AU 25.4J 125 0.8 3 BOU Sint Annen 2005 3 3.974 S 13.1 AU 31.0J 109 0.7 1/ DIJ Sint Annen 2005 3 3.971 S 13.2 AU 31.0J 109 0.9 3/ BOU Sint Annen 2005 3 1.99 S 13.3 TK 20.3T 100 0.6 4 GON Camposagrado, León 2005 2 5.65 S[13.9 HS 40.0L 144 !0.4 YOS Ibaraki, Japan (Yet too faint to see visually.)