| Comet | C/2015 C2 (SWAN) |
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| User | Koalin |
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| User`s name | Darius Gasiūnas |
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| Observation's time (UT) | 2015-03-12 17:50:00 |
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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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| Magnitude | 9.5 |
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| Comparison stars source | TK - Tycho-2 Catalogue |
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| Method | M - Morris`s method |
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| Coma diameter(') | 1.5 |
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| Tail's length | Not set |
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| Condensation | 2 |
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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 cm |
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| Focal length (mm) | 1500 |
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| Type of tool | L - Newtonian reflector |
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| Magnification | 100 |
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| Field of view (°) | 0.8 |
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| SQM-L in zenith | |
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| Light pollution zone | Green |
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| Lm | Not set |
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| Comment | Наблюдал на высоте 3,4 град. (Солнце -15,4 град.)
Комета была значительно ярче 10,4m звезды. А, эта 10,4m звезда была, почти, предельная. |
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| Morris Format | 2015 Mar 12.74 UT: m1=9.5, Dia.=1.5', DC=2 ...30.5-cm L (100x) ...Darius Gasiūnas (Деревня Dindos, Ignalinos район, Литва, ) |
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