| Comet | 170P/Christensen |
|---|
| User | Taras Prystavski |
|---|
| User`s name | Taras Prystavski |
|---|
| Observation's time (UT) | 2014-09-26 12:14:00 |
|---|
| Observation's place | Not set |
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| Comparison stars source | ICQ: UO.But this catalogue hasn`t been submited into database |
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| Method | C |
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| Magnitude | 16.8 |
|---|
| Mag Error | Not set |
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| Coma diameter(') | 0.3 |
|---|
| Tail's length | Not set |
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| Coma degree of condensation | Not set |
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| Positional angle of tail (°) | Not set |
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| Aperture | 31.7 cm |
|---|
| Telescope focal length (mm) | 2219 |
|---|
| Telecope Type | Y |
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| Exposure of single frame (sec) | 77 |
|---|
| Phot Region | comparison stars are in the same frame as a comet |
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| Software (with version) | ICQ: A48. Astrometrica 4.8 |
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| Stars Exposure | Not set |
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| Photometric-aperture size | ○ 0.32' |
|---|
| Camera | STX |
|---|
| Chip | K6M |
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| Chip blooming | |
|---|
| Number of images | 1 |
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| Magnitude of the comparison star closest in brightness | Not set |
|---|
| Calibration methods | dark-subtracted (and bias-subtracted) + flat-field corrected (flat-fielded) |
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| Pixel size width | 1.6" |
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| Pixel size height | 1.6" |
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| Light pollution zone | Not set |
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| Lm | Not set |
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| SQM-L in zenith | Not set |
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| Observatory code | |
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| Comment | Not set |
|---|
