| Comet | 257P/Catalina |
|---|
| User | Taras Prystavski |
|---|
| User`s name | Taras Prystavski |
|---|
| Observation's time (UT) | 2013-10-08 16:19:00 |
|---|
| Observation's place | Not set |
|---|
| Comparison stars source | ICQ: MC.But this catalogue hasn`t been submited into database |
|---|
| Method | C |
|---|
| Magnitude | 16.2 |
|---|
| Mag Error | Not set |
|---|
| Coma diameter(') | 0.44 |
|---|
| Tail's length | 4.4' |
|---|
| Coma degree of condensation | Not set |
|---|
| Positional angle of tail (°) | 263 |
|---|
| Aperture | 40.0 cm |
|---|
| Telescope focal length (mm) | 3200 |
|---|
| Telecope Type | Y |
|---|
| Exposure of single frame (sec) | 300 |
|---|
| Phot Region | comparison stars are in the same frame as a comet |
|---|
| Software (with version) | ICQ: A48. Astrometrica 4.8 |
|---|
| Stars Exposure | Not set |
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| Photometric-aperture size | ○ 0.47' |
|---|
| Camera | STL |
|---|
| Chip | KA1 |
|---|
| Chip blooming | Anti Blooming Gate |
|---|
| Number of images | 1 |
|---|
| Magnitude of the comparison star closest in brightness | Not set |
|---|
| Calibration methods | dark-subtracted (and bias-subtracted) + flat-field corrected (flat-fielded) |
|---|
| Pixel size width | 1.8" |
|---|
| Pixel size height | 1.8" |
|---|
| Light pollution zone | Not set |
|---|
| Lm | Not set |
|---|
| SQM-L in zenith | Not set |
|---|
| Observatory code | |
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| Comment | Not set |
|---|
