| 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) | 2014-08-19 11:31:00 |
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| Tool | 11.4-cm Newtonian reflector |
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| Observation's place | Bright, Victoria |
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| Magnitude | 10.4 |
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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(') | 2 |
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| Tail's length | Not set |
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| Condensation | 3 |
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| Positional angle of tail | Not set |
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| Bortl's scale | Not set |
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| Aperture | 11.4 cm |
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| Focal length (mm) | 900 |
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| Type of tool | L - Newtonian reflector |
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| Magnification | 42.9 |
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| Field of view (°) | 1.28 |
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| SQM-L in zenith | |
|---|
| Light pollution zone | Green |
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| Lm | Not set |
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| Comment | Outer coma very diffuse and faint, brightening slightly towards the centre. No tail visible. Comet altitude 20-degrees. |
|---|
| Morris Format | 2014 Aug 19.48 UT: m1=10.4, Dia.=2', DC=3 ...11.4-cm L (42.9x) ...Robert Kaufman (Bright, Victoria, Australia) |
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