| Comet | 41P/Tuttle-Giacobini-Kresak
|
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| User | Koalin |
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| User`s name | |
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| Observation's time (UT) | 2017-04-13 23:10 |
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| Tool | SW 8" Newton |
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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 | 8.3 |
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| Coma diameter(') | 3 |
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| Tail's length | 5 |
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| Condensation | Not set |
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| Positional angle of tail | Not set |
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| Bortl's scale | Not set |
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| Aperture | 20.3 |
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| Focal length (mm) | 1000 |
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| Type of tool | L - Newtonian reflector |
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| Magnification | 82.2 |
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| Field of view (°) | 0.88 |
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| SQM-L in zenith | |
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| Light pollution zone | |
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| Lm | |
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| Comment | Comet +63°
Mon +15°, 93 % |
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| Morris Format | 2017 Apr 13.97 UT: m1=8.3, Dia.=3', Tail: 5 deg ...20.3-cm L (82.2x) ...Darius Gasiūnas (Деревня Dindos, Ignalinos район, Литва, ) |
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