| 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) | 2015-03-15 17:45 |
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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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| Magnitude | 9.8: |
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| Comparison stars source | TK - Tycho-2 Catalogue |
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| Method | I - Variable stars (without defocusing) |
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| Coma diameter(') | 1.5 |
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| Tail's length | Not set |
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| Condensation | 1 |
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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 | 88.2 |
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| Field of view (°) | 0.74 |
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| SQM-L in zenith | |
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| Light pollution zone | |
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| Lm | Not set |
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| Comment | Марс был +6,5 град, Солнце -13 град.
Звезду 10,7 видел уверено. 11,9 редко - боковым зрением. |
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| Morris Format | 2015 Mar 15.74 UT: m1=9.8:, Dia.=1.5', DC=1 ...30.5-cm L (88.2x) ...Darius Gasiūnas (Деревня Dindos, Ignalinos район, Литва, ) |
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