| Comet | C/2013 A1 (Siding Spring) |
|---|
| User | Rob Kaufman |
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| User`s name | Robert Kaufman |
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| Observation's time (UT) | 2014-10-17 10:47:00 |
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| Tool | 20-cm T |
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| Observation's place | Bright, Victoria |
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| Magnitude | 11.6 |
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| Comparison stars source | TK - Tycho-2 Catalogue |
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| Method | M - Morris`s method |
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| Coma diameter(') | 1 |
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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 | 20 cm |
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| Focal length (mm) | 2000 |
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| Type of tool | T - Schmidt-Cassegrain reflector |
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| Magnification | 80 |
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| Field of view (°) | 0 |
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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 | Round faint diffuse coma with star-like central condensation visible in moments of good seeing. No tail visible. Movement followed. Visible in averted vision in 114mm T, f8, 43x. Comet altitude 30 degrees. |
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| Morris Format | 2014 Oct 17.45 UT: m1=11.6, Dia.=1', DC=5 ...20-cm T (80x) ...Robert Kaufman (Bright, Victoria, Australia) |
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