Observations of p2011 W2 (Rinner)
| OBSERVED | M1 | Diam | DC | PA | Observer | Image |
| 01-29-2012 | 17.4 m2 | 12" | 4/9 | round | P. Clay Sherrod | |
| 0.51m ASO astrograph @ f/4.9 + CCD, 2x2 binned | ||||||
| Diffuse coma, round with no tail | ||||||
| OBSERVED | M1 | Diam | DC | PA | Observer | Image |
| 01-19-2012 | 17.7 | 6" | 4/9 | 323deg | P. Clay Sherrod | |
| 0.51m ASO astrograph @ f/4.9 + CCD, 2x2 binned | ||||||
| Diffuse with vague short (10") tail in PA 323 deg | ||||||
| OBSERVED | M1 | Diam | DC | PA | Observer | Image |
| 11-30-2011 | 17.9 | 7" | 5/9 | 270 | P. Clay Sherrod | |
| 0.51m ASO astrograph @ f/4.9 + CCD, 2x2 binned | ||||||
| New comet: some indication of west-facing stubby tail; comet is diffuse with uniform coma | ||||||