| Comet | C/2015 V2 (Johnson) |
|---|
| User | Taras Prystavski |
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| User`s name | Taras Prystavski |
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| Observation's time (UT) | 2016-05-12 21:54:00 |
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| Observation's place | Lviv, Ukraine |
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| Comparison stars source | ICQ: UO. USNO A2.0 catalogue R magnitudes |
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| Method | |
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| Magnitude | 15.0: |
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| Mag Error | Not set |
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| Coma diameter(') | 0.4 |
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| Tail's length | |
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| Coma degree of condensation | Not set |
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| Positional angle of tail (°) | |
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| Aperture | 20.3 cm |
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| Telescope focal length (mm) | 400 |
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| Telecope Type | L |
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| Exposure of single frame (sec) | 210 |
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| Phot Region | |
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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 | 0.44 |
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| Camera | Defined by user: Canon EOS 600D |
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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 | |
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| Calibration methods | no correction |
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| Pixel size width | 3.3" |
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| Pixel size height | 3.3" |
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| Light pollution zone | Orange |
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| Lm | |
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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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