| Comet | 2P/Encke |
|---|
| User | chergen |
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| User`s name | Carl Hergenrother |
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| Observation's time (UT) | 2017-02-12 02:09:00 |
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| Observation's place | Not set |
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| Comparison stars source | ICQ: U4. UCAC4 photometry catalog |
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| Method | V |
|---|
| Magnitude | 9.6 |
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| Mag Error | Not set |
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| Coma diameter(') | 5.0 |
|---|
| 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 | 51.0 cm |
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| Telescope focal length (mm) | 3570 |
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| Telecope Type | C |
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| Exposure of single frame (sec) | 60 |
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| Phot Region | comparison stars are in the same frame as a comet |
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| Software (with version) | ICQ: IRA. IRAF |
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| Stars Exposure | Not set |
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| Photometric-aperture size | ○ 5.0' |
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| Camera | FL9 |
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| Chip | KA9 |
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| Chip blooming | |
|---|
| Number of images | 3 |
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| Magnitude of the comparison star closest in brightness | Not set |
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| Calibration methods | dark-subtracted (and bias-subtracted) + flat-field corrected (flat-fielded) |
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| Pixel size width | 0.8" |
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| Pixel size height | 0.8" |
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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 |
|---|
