* * * * * C/2006 A1 (Pojmanski) * * * * *

Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2006 5 25.99 S 12.2 TK 20.3T 100 1.5 3 GON Alto del Castro - Aralla, León 2006 5 19.01 S 11.9 TK 20.3T 100 1.5 3 GON Alto del Castro - Aralla, León 2006 5 4.97 S 11.8 AC 41.0L 72 1.8 2/ RES Szamotuly-Galowo 2006 5 4.71 S 11.9 HS 40.0L 144 1.6 3 YOS Gunma, Japan (It was close to a 12th magn. star but the comet was clearly visible.) 2006 5 4.00 S 11.7 AC 41.0L 72 1.8 2 RES Szamotuly-Galowo 2006 5 3.72 S 12.3 TJ 40.0L 144 1.5 3 YOS Gunma, Japan (Magnitude of my estimations had been fading day by day. But I did not feel it was fading rapidly at that time.) 2006 5 2.75 S 11.7 HS 40.0L 144 1.9 3 YOS Gunma, Japan (I felt it very bright and large under the clear sky.) 2006 4 30.75 S 11.1 TJ 40.0L 144 1.4 1 YOS Gunma, Japan (Very diffuse, but the central core is clearly visible. It was impressive to see the comet floating among many stars in the Milky Way, similar to C/2004 B1. The central core looks moderately condensed and the comet is an enjoyable target still now using a 0.40-m telescope.) 2006 4 29.947 S 11.1 TK 31.0J 89 2.0 1 DIJ Sint Annen 2006 4 29.944 S 10.8 TK 31.0J 89 2.0 2 BOU Sint Annen 2006 4 29.875 S 10.5 TK 30.5T 56 & 2 1/ COM Roden 2006 4 29.14 S 11.4 TK 40.7L 58 2 3 BIV La Couyère observatory, near Rennes 2006 4 27.906 S 10.7 TK 25.4J 72 2.0 2 BOU Sint Annen 2006 4 26.93 S 10.5 AC 41.0L 72 2.5 3 RES Szamotuly-Galowo 2006 4 25.96 S 10.3 AC 41.0L 72 2.3 3 RES Szamotuly-Galowo 2006 4 23.10 S 10.8 TK 40.7L 58 2 4 BIV Poigny-la-Forêt 2006 4 23.10 S 10.2 TK 20.3T 100 3 2/ GON Bonella - Riello, León 2006 4 21.04 S 10.0 TK 20.3T 77 2.5 2/ GRA Fjellhamar (A barely visible glow, but seen at correct position. NEL ~5.5.) 2006 4 18.08 S 9.6 TK 20.3T 83 2.5 2 GRA Fjellhamar (Comet appeared as a faint diffuse glow. Observation was difficult due to its location, near τ Cas and two 9th magnitude stars, and twilight [Sun 12 to 13 deg. under horizon].) 2006 4 18.02 S 9.7 TK 40.7L 116 2.2 3 BIV Poigny-la-Forêt 2006 4 17.95 S 9.3 AC 41.0L 72 2.5 4 RES Szamotuly-Galowo 2006 4 17.76 S 9.1 TJ 40.0L 144 1.9 2 YOS Ibaraki, Japan (The comet located somewhat lower and the sky was very hazy with strong moon light. So the condition was very bad. It seems diffuse and large.) 2006 4 17.08 S 9.5 TK 20.3T 83 3 2 GRA Fjellhamar 2006 4 17.08 S 9.3 TK 15.2L 44 3.5 2 GRA Fjellhamar (Challenging object in morning twilight [Sun 12-13 deg. below free horizon], but somewhat easier with the larger instrument.) 2006 4 15.89 S 9.3 TK 10.0R 25 3 2/ GRA Tryvann, Oslo (Comet only seen with difficulty, but detected at correct position. Observation affected by high clouds.) 2006 4 11.17 S 9.0 TK 20.3T 77 3.0 3 GON Cubillas de Arbás, León (Estimate was made in strong moonlight. Mountain location, very clear sky.) 2006 4 11.139 S 9.6 TK 25.0L 53 1.5 3 LOO Genk (Moonlight.) 2006 4 7.01 S 8.3 AC 6.0B 20 3.2 6/ RES Szamotuly-Galowo 20060 4 6.145 S 8.4 TK 25.4L 53 2.0 4 LOO Genk 2006 4 6.02 S 8.2 AC 6.0B 20 3.2 5 RES Szamotuly-Galowo 2006 4 5.01 S 8.0 AC 6.0B 20 3.5 5 RES Szamotuly-Galowo 2006 4 4.14 S 8.9 TK 40.7L 58 3 4 0.1 255 BIV Poigny-la-Forêt 2006 4 3.064 S 7.9 TK 8.0B 15 6 5 DIJ Kestel - Alanya, Turkey 2006 4 3.061 M 8.0 TK 8.0B 15 5 4 BOU Kestel - Alanya, Turkey 2006 4 2.19 M 7.6 TK 10.0B 25 3.5 6 0.3 305 GON La Cortina - Lena, Asturias 2006 4 2.04 S 7.6 AC 6.0B 20 4 5 RES Szamotuly-Galowo 2006 4 1.083 S 8.2 TK 10.0R 25 4.8 5 KRI Schierling 2006 3 31.76 S 7.9 TJ 40.0L 36 3.3 6/ YOS Ibaraki, Japan (It looked like a typical featureless bright comet, a simple round ball. Not so interesting as 73P. Moderately condensed and easy to see.) 2006 3 31.76 S 7.6 TJ 7.0R 10 5.5 6/ YOS Ibaraki, Japan (Still visible through a 7-cm monocular. The view was impressive, the comet looked over many faint stars in the Milky Way.) 2006 3 30.13 S 8.2 TK 10.0M 33 3.5 6 BIV Sahara desert, Lybia 2006 3 29.10 M 7.6 TK 7.0R 20 6 4/ GRA Alanya, Turkey (Visibility comparable with M27. NEL = 5.0.) 2006 3 29.04 S 7.3 AC 6.0B 20 3.2 5 RES Szamotuly-Galowo 2006 3 28.18 M 7.3 TK 8.0B 11 4 7 GON Alto del Trichero - Soto y Amío, León 2006 3 28.17 M 7.3 TK 10.0B 25 3.5 6 0.4 295 GON Alto del Trichero - Soto y Amío, León 2006 3 28.13 S 7.7 TK 10.0M 33 4 6 BIV Sahara desert, Lybia 2006 3 26.14 B 6.7 TK 10.0M 33 5 6 BIV Sahara desert, Lybia 2006 3 24.16 M 7.1 TK 5.0B 7 5 5 GRA Fjellhamar 2006 3 24.16 M 7.3 TK 10.0R 25 5 5/ GRA Fjellhamar 2006 3 24.02 S 6.7 AC 6.0B 20 3.0 5/ RES Szamotuly-Galowo 2006 3 23.15 M 7.2 TK 5.0B 7 5 5 GRA Fjellhamar 2006 3 23.149 S 7.2 TK 5.0B 10 1.0 8 LOO Genk 2006 3 23.146 M 6.9 TK 5.0B 10 7 COM Roden 2006 3 23.140 M 6.8 TK 8.0B 15 5 6 0.4 310 BOU Thesinge 2006 3 23.135 M 7.3 TK 6.0B 15 5.0 6/ 22m 298 DIJ Noorddijk 2006 3 23.00 S 6.5 AC 6.0B 20 3.3 5/ RES Szamotuly-Galowo 2006 3 22.11 M 7.0 TK 10.0R 25 5.5 5/ GRA Fjellhamar (Close to 79 Cyg, reliable observation not possible with 7x50B.) 2006 3 21.12 M 6.9 TK 5.0B 7 6 6 GRA Fjellhamar 2006 3 20.13 M 6.9 TK 10.0R 25 5.5 6/ GRA Fjellhamar (With 10.0-cm refractor, diffuse coma with an apparently stellar central condensation.) 2006 3 20.12 M 6.9 TK 5.0B 7 5 6 GRA Fjellhamar 2006 3 19.15 M 6.6 TK 5.0B 7 5 6 GRA Fjellhamar 2006 3 18.19 S 6.8:HV 5.0B 7 5 6 BIV Versailles 2006 3 17.16 M 6.4 TK 5.0B 7 4 6 GRA Fjellhamar (Comparable to M92 in brightness and size.) 2006 3 16.19 S 6.3 HV 5.0B 7 6 6 BIV Poigny-la-Forêt 2006 3 15.21 M 5.9 TK 5.0B 7 4 7/ GON Sierra del Aramo, Asturias (Moonlight interference.) 2006 3 14.14 M 6.1 TK 5.0B 7 4 7 GRA Fjellhamar (Smaller and somewhat fainter than M13 in 7x50B. NEL=4.5.) 2006 3 14.14 M 6.1 TK 10.0R 25 4 6/ GRA Fjellhamar 2006 3 13.177 M 5.7 TK 6.0B 15 8 8 DIJ Noorddijk 2006 3 13.163 S 6.7 TK 5.0B 10 2.5 7 LOO Genk 2006 3 12.161 S 5.7 TK 5.0B 10 3.0 7 LOO Genk 2006 3 11.16 M 5.8 YG 5.0B 7 4 7 GRA Fjellhamar 2006 3 10.160 S 5.8 TK 5.0B 10 2.5 7 LOO Genk 2006 3 10.15 M 5.5 YG 5.0B 7 4 7 GRA Fjellhamar (Hazy. NEL = 4.2.) 2006 3 9.20 S 5.6 AC 6.0B 20 3.5 7 RES Szamotuly-Galowo 2006 3 8.22 I 5.3 TK 0.0E 1 9 GON Bonella - Riello, León 2006 3 8.21 M 5.4 TK 5.0B 7 4 7/ 2.5 285 GON Bonella - Riello, León 2006 3 7.202 S 5.5 TK 5.0B 10 7/ &10m COM Roden (Grey sky because of twilight and reflections on snowlayer.) 2006 3 7.188 S 5.4 TK 5.0B 10 2.5 8 LOO Genk 2006 3 7.188 M 5.4 TK 5.0B 7 4 8 DIJ Noorddijk (In 15x60B tail 50' long in p.a. 295 deg.) 2006 3 7.180 M 5.3 TK 5.0B 7 7/ BOU Zuidwolde (Small, strongly condensed object. Only briefly observed due to cloud interference.) 2006 3 7.16 M 5.4 YG 10.0R 25 4 6/ GRA Fjellhamar 2006 3 7.16 M 5.4 YG 5.0B 7 4 7 GRA Fjellhamar (Blue-green coma. Appearance in 7x50B quite similar to M92. NEL = 4.6.) 2006 3 6.23 B 5.5 HV 5.0B 7 4 7 0.6 280 BIV Poigny-la-Forêt 2006 3 5.201 S 5.0 TK 3.0B 8 2.5 8 LOO Meeuwen 2006 3 5.20 M 5.6 YG 5.0B 7 3.5 6 GRA Fjellhamar 2006 3 5.20 M 5.6 YG 10.0R 25 3.5 6 GRA Fjellhamar (Hazy and twilight [solar altitude -11 degrees].) 2006 3 5.14 S 5.4 AC 6.0B 20 3.5 4/ 0.5 RES Szamotuly-Galowo 2006 3 4.83 B 5.2 TJ 7.0R 10 8/ YOS Ibaraki, Japan (Through thin clouds, but the comet was very bright! Finally I could see it. Already high enough. Very small and strongly condensed. Almost stellar with a 10x70 monocular, impossible to estimate the diameter. But it looked slightly cometary comparing to other background stars.) 2006 3 4.19 M 5.5 YG 10.0R 25 3 6/ GRA Fjellhamar (Bluish and diffuse coma with an apparent stellar central condensation. Altitude 11 deg. Hazy sky, twilight [Sun 12 deg. below horizon]. Comet not seen with 7x50 binoculars. NEL = 3.0 [approx.].) 2006 3 2.22 S 5.6 HV 40.7L 58 4 7 0.5 270 BIV Poigny-la-Forêt 2006 3 2.21 B 5.3 HV 5.0B 7 4 7 BIV Poigny-la-Forêt 2006 3 1.23 M 5.3 TK 5.0B 7 4 7/ 3.2 260 GON Bonella - Riello, León (Altitude: 9 deg. Comparison stars at the same low altitude as the comet.) 2006 2 28.24 I 5.2 TK 0.0E 1 9 GON Bonella - Riello, León (Astronomical twilight. Altitude: 8 deg.) 2006 2 28.23 M 5.4 TK 5.0B 7 4 7/ 1.6 255 GON Bonella - Riello, León (Altitude: 6 deg. Comparison stars at the same low altitude as the comet.) 2006 2 27.24 M 5.4 TK 5.0B 7 4 7/ GON Camposagrado, León (Astronomical twilight. Altitude: 6 deg. Comparison stars at the same low altitude as the comet.) 2006 2 27.23 M 5.6 TK 10.0B 25 4 7 0.6 250 GON Camposagrado, León 2006 2 27.20 S 5.1 AC 6.0B 20 3 6/ 0.4 RES Szamotuly-Galowo 2006 2 27.23 S 4.7 TK 40.7L 58 5 6 BIV Poigny-la-Forêt 2006 2 27.22 S 4.8 TK 5.0B 7 4 6 BIV Poigny-la-Forêt 2006 2 22.75 B 5.4 AA 8.0B 15 SEA Cowra, NSW 2006 2 7.76 M 6.1 TK 10.0B 25 4.5 6 >50m 205 MAT Stockport observatory, SA (Well condensed coma appearing blue-green in colour with one degree of ion tail visible.) 2006 2 7.75 S 6.4 AA 2.5B 2 SEA The Entrance, NSW (In 25x100B, faint tail visible to about 20 mins. in pa 215 degrees.) 2006 1 27.46 S 7.2 AA 3.5B 6 SEA Cowra, NSW 2006 1 26.46 S 7.3 AA 3.5B 6 SEA Cowra, NSW 2006 1 25.45 S 7.5 AA 3.5B 6 SEA Cowra, NSW (In 25x100B and 25.4L at 71x, it appeared marginally brighter, and the central condensation a little sharper, using Swan Band filter.) 2006 1 23.50 S 7.9 TK 10.0B 25 3.0 5 MAT Brooklyn Park, SA (Light pollution interference. Comet is moderately enhanced through a SWAN band filter. DC has noticeably increased in the past week.) 2006 1 23.49 M 7.6 AA 10.0B 25 3 SEA Cowra, NSW (Little obvious change using Swan Band filter.) 2006 1 6.50 S 10.5 TK 20.0L 50 3.0 4 MAT Seabrook, Victoria