| 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) | 2016-03-30 21:07:00 |
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| Observation's place | Crimean Astrophysical Observatory |
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| Comparison stars source | ICQ: AQ. APASS Catalogue |
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| Method | |
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| Magnitude | 15.50 |
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| Mag Error | 0.03 |
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| Coma diameter(') | 0.36 |
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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 | 70 cm |
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| Telescope focal length (mm) | 2820 |
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| Telecope Type | C |
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| Exposure of single frame (sec) | 180 |
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| Phot Region | |
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| Software (with version) | ICQ: MIm. MaximDL |
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| Stars Exposure | Not set |
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| Photometric-aperture size | |
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| Camera | ICQ:AAL. Artemis 285AL-a |
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| Chip | ICQ:ICY. Sony ICX285AL. Matrix size: 1360x1024. Pixel (μm):6.45x6.45 |
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| Chip blooming | |
|---|
| Number of images | 2 |
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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 | 0.5" |
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| Pixel size height | 0.5" |
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| Light pollution zone | |
|---|
| Lm | |
|---|
| SQM-L in zenith | |
|---|
| Observatory code | |
|---|
| Comment | Not set |
|---|
