49P/Arend-Rigaux

49P/Arend-Rigaux
Reported observations:
2011 Dec. 23.82 UT: m1=[13.4, Dia.=1′... 13.0-cm reflector... M.-T. Hui (Mt. Mulan, Wuhan, China) [LM around the region ~14.5 mag, but comet quite close to a mV=12.4 star]
2011 Dec. 23.21 UT: m1=11.2, Dia.=5′, DC=2, no tail... 23.5-cm SCT(94x)... Carlos Labordena (Castellón, España)
2011 Dec. 07.21 UT: m1=10.1, Dia.=8′, DC=2/... 20-cm SCT (77x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Coma elongada, amplia y difusa, cubriendo varias estrellas, siendo la más brillante de mag. 12.6 (GSC)]
2011 Dec. 06.22 UT: m1=10.9, Dia.=4′, DC=2, no tail... 20-cm SCT(80x)... Carlos Labordena (Castellón, España)
2011 Dec. 03.292 UT: m1=12.8, Dia.=1.5′, DC=2/... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2011 Nov. 29.45 UT: m1=[12.2... 25-cm Reflector (48x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2011 Nov. 25.83 UT: m1=13.0, Dia.=1.2′, DC=4/... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan)
2011 Nov. 24.83 UT: m1=13.3, Dia.=1.2′, DC=3/... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan)
2011 Nov. 24.20 UT: m1=10.2, Dia.=6′, DC=2/... 20-cm SCT (77x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Coma elongada. Luz zodiacal]
2011 Nov. 23.41 UT: m1=[11.3... 25-cm Reflector (120x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2011 Nov. 08.21 UT: m1=10.8, Dia.=5′, DC=2/... 20-cm SCT (77x)... Juan José González (El Fito – Sierra del Sueve, alt. 570 m., Asturias, España)
2011 Oct. 09.18 UT: m1=11.7, Dia.=3′, DC=3... 20-cm SCT (77x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Estrellas de campo comprobadas en el DSS. Cielo muy claro de montaña]
2011 Oct. 08.78 UT: m1=12.9, Dia.=1.1′, DC=5... 40-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan)
2011 Oct. 07.78 UT: m1=12.9, Dia.=1.4′, DC=4... 40-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan)
2011 Oct. 01.17 UT: m1=12.0, Dia.=2.5′, DC=3... 20-cm SCT (133x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Estrellas de campo comprobadas en el DSS]
2005 May  04.46 UT: m1=[13.3 ... 40.0-cm L f/4.5 (144x) ... Seiichi Yoshida (Gunma, Japan) [I tried to observe it in the early evening when it locates high, but not visible.]
2005 Apr. 09.87 UT: m1=12.8, Dia.=1', DC=3, no tail ... 23.5-cm SC (94x) ... Carlos Labordena (Castellón, España)
2005 Apr. 05.47 UT: m1=[12.0 ... 40.0-cm L f/4.5 (144x) ... Seiichi Yoshida (Ibaraki, Japan) [I failed to see it]
2005 Apr. 04.73 UT: m1=13.3, Dia.=0.8', DC=3 ... 36-cm L (90x) ... A. Baransky (Pylypovychi, Ukraine)
2005 Apr. 03.83 UT: m1=13.4 CCD, Dia.=1.5', Tail= 0.7' in PA: 80 deg ...  0.25-m SCT/ccd ...  G. Sostero (Remanzacco, Italy) [Nice comet, with a distinct central condensation, a faint outer coma and a fanned tail. Cousins R filter used]
2005 Mar. 29.80 UT: m1=13.0:, Dia.=0.6', DC=2 ... 36-cm L (90x) ... A. Baransky (Pylypovychi, Ukraine)
2005 Mar. 11.87 UT: m1=12.8, Dia.=1.0', DC=3 ... 20-cm SCT (100x) ... Juan Jose Gonzalez ( Camposagrado, alt. 1135 m., León, North Spain).
2005 Mar. 08.83 UT: m1=12.3, Dia.=90", DC=1, no tail ... 23.5-cm SCT x188 ... Carlos Labordena (Castellón, España). 
2005 Mar. 08.46 UT: m1=12.8, Dia.=0.9', DC=4 ... 40.0-cm L f/4.5 (144x)  ... Seiichi Yoshida (Ibaraki, Japan) [Unexpectedly, not so diffused. Small and rather strongly condensed.]
2005 Feb. 10.81 UT: m1=13.2, Dia.=1.1', DC=3/ ... 36-cm L (90x) ... A. Baransky (Pylypovychi, Ukraine) [Diffuse with central condensation, clearly visible.]
2005 Feb. 08.72 UT: m1=13.4, Dia.=0.7', DC=3/ ... 41-cm L (178x) ...  Sergey E. Shurpakov (Baran', Belarus)
2005 Feb. 08.70 UT: m1=13.5, Dia.=0.4', DC=3 ... 30-cm L (180x) ...  Vitali Nevski (Vitebsk, Belarus)
2005 Feb. 05.74 UT: m1=13.8, Dia.=0.5', DC=2 ... 30-cm L (180x) ...  Vitali Nevski (Vitebsk, Belarus)