213P/Van Ness

213P/Van Ness
2011 Nov. 24.55 UT: m1=[13.6... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan)
2011 Nov. 17.83 UT: m1=11.0, Dia.=6′, DC=1/... 20-cm SCT (77x)... Juan José González (Angliru – Sierra del Aramo, alt. 1540 m., Asturias, España) [Coma amplia y difusa, con débil región exterior. Estrellas de campo comprobadas en el DSS. Cielo muy claro de montaña]
2011 Oct. 20.95 UT: m1=11.5, Dia.=4′, DC=2... 20-cm SCT (77x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2011 Oct. 01.07 UT: m1=11.2, Dia.=4′, DC=2... 20-cm SCT (77x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2011 Sep. 28.104 UT: m1=11.2, Dia.=2′, DC=3... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2011 Sep. 24.89 UT: m1=11.0, Dia.=5′, DC=2/... 20-cm SCT (77x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2011 Sep. 22.40 UT: m1=13.2, Dia.=0.8’, DC=2... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Close to bright star, observation difficult, no tail. Comp Star= ASAS-3 224556+0437.1 Method= S. Cat= AU]
2011 Sep. 21.41 UT: m1=13.4, Dia.=2’, DC=2... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, no tail, averted vision. Comp Star= ASAS-3 224608+0425.5 Method= S. Cat= AU]
2011 Sep. 19.91 UT: m1=11.0, Dia.=5′, DC=2/... 20-cm SCT (77x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2011 Sep. 07.07 UT: m1=11.2, Dia.=4′, DC=3... 20-cm SCT (77x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2011 Sep. 01.187 UT: m1=11.8, Dia.=1.5′, DC=2... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2011 Aug. 26.98 UT: m1=11.2, Dia.=3′, DC=3/... 20-cm SCT (77x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Coma elongada]
2011 Aug. 25.85 UT: m1=13.8, Dia.=1.0′, DC=3... 25.4-cm reflector (171x)... Vyacheslav Ivanov (Melovoe, Russia)
2011 Aug. 25.71 UT: m1=12.3:, Dia.=2′, DC=3... 20-cm L f/5... Man-To Hui (Canton, China) [barely seen by averted vision during good seeing; city lights]
2011 Aug. 25.50 UT: m1=12.3, Dia.=3’, DC=2... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, no tail. Comp Star= TYC 267-273-1 Method= S Cat= TJ]
2011 Aug. 24.51 UT: m1=13.7, Dia.=0.9’, DC=2/3... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Small, diffuse coma with slight increase in brightness to centre, no tail, visible using averted vision in good seeing. Comp Star= ASAS-3 230805+0359.9 Method= S. Cat= AU
2011 Aug. 09.76 UT: m1=12.4:, Dia.=1.1′, DC=3... 40-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan)
2011 Aug. 08.09 UT: m1=11.8, Dia.=2.5′, DC=3... 20-cm SCT (100x)... Juan José González (Pandorado, alt. 1190 m., León, España)
2011 Aug. 03.09 UT: m1=12.2, Dia.=1.5′, DC=3, no tail... 23.5-cm SCT (94x)... Carlos Labordena (Castellón, España)
2011 July 28.56 UT: m1=13.5, Dia.=1’, DC=3/4... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, difficult, visible using averted vision in good seeing. Sky background washed out. Comp Star= ASAS-3 232002+0142.2 Method= S. Cat= AU]
2011 July 28.11 UT: m1=12.0, Dia.=2.5′, DC=3... 20-cm SCT (100x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Estrellas de comparación de la fotometría TASS]
2011 July 26.02 UT: m1=14.6, Dia.=0.5′, DC=1/... 32-cm L5 (124x)... José Carvajal (Madrid, España) [Método: S, Cat: NP]
2011 July 10.333 UT: m1=12.0, Dia.=2′, DC=2/... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2011 July 05.07 UT: m1=12.0, Dia.=1.5′, DC=3... 20-cm SCT (133x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Coma elongada. Estrellas de comparación de la fotometría TASS]
2011 June 26.76 UT: m1=11.9, Dia.=2.3’, DC=2... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma largely diffuse, small broad central condensation, no tail, moonlight affected, averted vision. Comp Star= ASAS-3 231031-0356.2 Method= S. Cat= AU]
2011 June 24.58 UT: m1=13.2, Dia.= 1’, DC=0/1... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma very faint and diffuse, difficult, only visible using averted vision in periods of good seeing. Comp Star= ASAS-3 230818-0337.8 Method= S. Cat= AU]
2011 June 06.77 UT: m1=12.9, Dia.=1.5’, DC=3/4... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma largely diffuse, small but noticeable increase in brightness of central condensation in periods of good seeing, enhances slightly with Swan band filter, averted vision. Comp Star= ASAS-3 225001-0718 Method= M. Cat= AU]
2011 June 04.09 UT: m1=12.2, Dia.=1.2′, DC=5... 20-cm SCT (133x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Más brillante que lo previsto. Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría Henden del campo de EI Psc. Altura sobre el horizonte: 16º]
2010 June 14.20 UT: m1=18.6 CCD, Dia.=0.24′, DC=2/... 36-cm L f/3.8 +CCD... Sergey Shurpakov (Baran’, Belarus)
2010 Feb. 20.40 UT: m1=19.1 CCD, Dia.=0.10′, DC=9... 0.36-m L f/3.8 + CCD... Sergey Shurpakov (Baran’, Belarus)