| Comet | C/2017 E4 (Lovejoy) |
|---|
| User | antares48 |
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| User`s name | P. Jordanov |
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| Observation's time (UT) | 2017-04-10 01:50:00 |
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| Observation's place | Dimitrovgrad-Brod |
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| Comparison stars source | ICQ: TK. Tycho-2 Catalogue |
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| Method | c |
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| Magnitude | |
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| Mag Error | Not set |
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| Coma diameter(') | 4 |
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| Tail's length | 6.85' |
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| Coma degree of condensation | 6 |
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| Positional angle of tail (°) | 121 |
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| Aperture | 15 cm |
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| Telescope focal length (mm) | 750 |
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| Telecope Type | L |
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| Exposure of single frame (sec) | 20 |
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| Phot Region | |
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| Software (with version) | |
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| Stars Exposure | Not set |
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| Photometric-aperture size | 58 |
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| Camera | Defined by user: Canon 100D |
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| Chip | |
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| Chip blooming | |
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| Number of images | Σ |
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| Magnitude of the comparison star closest in brightness | |
|---|
| Calibration methods | dark-subtracted (and bias-subtracted) + flat-field corrected (flat-fielded) |
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| Pixel size width | |
|---|
| Pixel size height | |
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| Light pollution zone | Green |
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| Lm | 3 |
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| SQM-L in zenith | |
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| Observatory code | |
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| Comment | Not set |
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