Comet 49/p Arend-Rigaux is a very faint periodic comet that on a favourable return can reach about 12th magnitude. The first image below was taken during the 2005 return which was about average. At the time, the comet was around magnitude 13.5.

Comet 49/p Arend-Rigaux. January 7, 2005.
Combination of 5, 2 minute images, SBIG ST-8XE CCD.
18" f/10.5 Ritchey-Chrétien cassegrain at prime focus.

2011 Return

The 2011 return of Comet Arend-Rigaux was moderately favourable with the comet peaking in brightness at around magnitude 13.7 during October.

Comet 49/p Arend-Rigaux. August 21, 2011.
Combination of 5, 3 minute images. SBIG ST9-XE CCD.
14" f/11 schmidt-cassegrain with an f/6.3 focal reducer.

Comet 49/p Arend-Rigaux. November 6, 2011.
Combination of 5, 2 minute images.SBIG STL-1001E CCD.
20" f/6.8 cassegrain at prime focus.

Comet 49/p Arend-Rigaux. December 29, 2011.
Combination of 10, 3 minute images.SBIG STL-1001E CCD.
20" f/6.8 cassegrain at prime focus.

Comet 49/p Arend-Rigaux. December 30, 2011.
Combination of 5, 3 minute images.SBIG STL-1001E CCD.
20" f/6.8 cassegrain at prime focus.