| Comet | C/2015 V2 (Johnson) |
|---|
| User | Artom |
|---|
| User`s name | Artyom Novichonok |
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| Observation's time (UT) | 2016-06-24 19:26:00 |
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| Observation's place | Not set |
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| Comparison stars source | ICQ: AQ. APASS Catalogue |
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| Method | C |
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| Magnitude | 14.7 |
|---|
| Mag Error | 0.1 |
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| Coma diameter(') | 0.39 |
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| Tail's length | Not set |
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| Coma degree of condensation | 8 |
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| Positional angle of tail (°) | Not set |
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| Aperture | 30.0 cm |
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| Telescope focal length (mm) | 600 |
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| Telecope Type | D |
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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: AFo. Astrometrica used with Focas software |
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| Stars Exposure | Not set |
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| Photometric-aperture size | ☐ 0.90' |
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| Camera | FL9 |
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| Chip | KA9 |
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| Chip blooming | Anti Blooming Gate |
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| Number of images | Σ5 |
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| Magnitude of the comparison star closest in brightness | 14.1 |
|---|
| Calibration methods | dark-subtracted (and bias-subtracted) + flat-field corrected (flat-fielded) |
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| Pixel size width | 4.2" |
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| Pixel size height | 4.2" |
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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 |
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