| Comet | C/2015 V2 (Johnson) |
|---|
| User | Koalin |
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| User`s name | |
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| Observation's time (UT) | 2017-05-19 22:45 |
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| Tool | Sky-Watcher 12 Inch Dobsonian Telescope |
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| Observation's place | Деревня Dindos, Ignalinos район, Литва |
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| Comparison stars source | TK - Tycho-2 Catalogue |
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| Method | M - Morris`s method |
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| Magnitude | 8.5 |
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| Coma diameter(') | 3 |
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| Tail's length | 3 |
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| Condensation | 7 |
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| Positional angle of tail | Not set |
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| Bortl's scale | Not set |
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| Aperture | 30.5 |
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| Focal length (mm) | 1500 |
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| Type of tool | L - Newtonian reflector |
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| Magnification | 123.3 |
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| Field of view (°) | 0.58 |
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| SQM-L in zenith | |
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| Light pollution zone | |
|---|
| Lm | |
|---|
| Comment | Отлично видна в 8×50 искатель.
В прошлое наблюдение - была мнение конденсирована.
|
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| Morris Format | 2017 May 19.95 UT: m1=8.5, Dia.=3', DC=7, Tail: 3 arcmin ...30.5-cm L (123.3x) ...Darius Gasiūnas (Деревня Dindos, Ignalinos район, Литва, ) |
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