| Comet | C/2013 A1 (Siding Spring) |
|---|
| User | Koalin |
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| User`s name | |
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| Observation's time (UT) | 2015-04-10 21:10 |
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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 | :13.5 |
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| Coma diameter(') | 0.5 |
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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 |
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| Focal length (mm) | 1500 |
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| Type of tool | L - Newtonian reflector |
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| Magnification | 134 |
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| Field of view (°) | 0.49 |
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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 | min stars 14,5m |
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| Morris Format | 2015 Apr 10.88 UT: m1=13.5:, Dia.=>0.5', DC=2 ...30.5-cm L (134x) ...Darius Gasiūnas (Деревня Dindos, Ignalinos район, Литва, ) |
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