| Comet | C/2013 US10 (Catalina) |
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| User | Rob Kaufman |
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| User`s name | |
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| Observation's time (UT) | 2015-06-19 15:24:00 |
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| Tool | 11.4-cm Newtonian reflector |
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| Observation's place | Bright, Victoria |
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| Comparison stars source | AE - Planetary magnitudes from the American Ephemeris and Nautical Almanac |
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| Method | M - Morris`s method |
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| Magnitude | 10.5 |
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| Coma diameter(') | 1.5 |
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| Tail's length | Not set |
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| Condensation | 5 |
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| Positional angle of tail | Not set |
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| Bortl's scale | 3 |
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| Aperture | 11.4 |
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| Focal length (mm) | 900 |
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| Type of tool | L - Newtonian reflector |
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| Magnification | 22.5 |
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| Field of view (°) | 2.44 |
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| SQM-L in zenith | |
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| Light pollution zone | Green |
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| Lm | |
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| Comment | Small and moderately condensed. |
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| Morris Format | 2015 Jun 19.64 UT: m1=10.5, Dia.=1.5', DC=5 ...11.4-cm L (22.5x) ...Robert Kaufman (Bright, Victoria, Australia) |
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