| Comet | C/2013 US10 (Catalina) |
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| User | izack |
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| User`s name | |
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| Observation's time (UT) | 2016-03-30 22:00 |
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| Tool | LightBridge 12" f/5 Truss-Tube Dobsonian |
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| Observation's place | Philo - California |
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| Comparison stars source | TK - Tycho-2 Catalogue |
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| Method | S - Sidgwick`s method |
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| Magnitude | 11.6 |
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| Coma diameter(') | 2.5 |
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| Tail's length | 9 |
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| Condensation | 2.5 |
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| Positional angle of tail | Not set |
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| Bortl's scale | 2 |
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| Aperture | 12 |
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| Focal length (mm) | 1524 |
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| Type of tool | L - Newtonian reflector |
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| Magnification | 101.6 |
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| Field of view (°) | 0.98 |
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| SQM-L in zenith | |
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| Light pollution zone | Gray |
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| Lm | 7.5 |
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| Comment | Similar in look to C/2014 S2, the difference being the disk inside of coma for US10 vs a more defined star like point in S2.
Sky was crisp cool with 80% humidity, viz: 8 |
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| Morris Format | 2016 Mar 30.92 UT: m1=11.6, Dia.=2.5', DC=2.5, Tail: 9 deg ...12-cm L (101.6x) ...Isaac Devenny (Philo - California, USA) |
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