| Comet | 29P/Schwassmann-Wachmann |
| User | Sergey Shurpakov |
| User`s name | Sergey Shurpakov |
| Observation's time (UT) | 2010-02-20 08:09:00 |
| Observation's place | Not set |
| Comparison stars source | ICQ: UO. USNO A2.0 catalogue R magnitudes |
| Method | C |
| Magnitude | 12.2 |
| Mag Error | Not set |
| Coma diameter(') | 2.2 |
| Tail's length | Not set |
| Coma degree of condensation | 6.5 |
| Positional angle of tail (°) | Not set |
| Aperture | 36 cm |
| Telescope focal length (mm) | 1440 |
| Telecope Type | M |
| Exposure of single frame (sec) | 300 |
| Phot Region | |
| Software (with version) | ICQ: A41. Astrometrica 4.1 |
| Stars Exposure | Not set |
| Photometric-aperture size | ○ 2.20' |
| Camera | STT |
| Chip | K32 |
| Chip blooming | |
| Number of images | Not set |
| Magnitude of the comparison star closest in brightness | 11.4 |
| Calibration methods | dark-subtracted (and bias-subtracted) |
| Pixel size width | 1" |
| Pixel size height | 1" |
| Light pollution zone | Not set |
| Lm | Not set |
| SQM-L in zenith | Not set |
| Observatory code | |
| Comment | Not set |