| Comet | C/2008 N1 (Holmes) |
|---|
| User | Sergey Shurpakov |
|---|
| User`s name | Sergey Shurpakov |
|---|
| Observation's time (UT) | 2010-02-20 08:38:00 |
|---|
| 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(') | 0.32 |
|---|
| Tail's length | Not set |
|---|
| Coma degree of condensation | 8 |
|---|
| 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 | ○ 0.32' |
|---|
| Camera | STT |
|---|
| Chip | K32 |
|---|
| Chip blooming | |
|---|
| Number of images | Not set |
|---|
| Magnitude of the comparison star closest in brightness | 11.3 |
|---|
| 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 |
|---|
