| Comet | 46P/Wirtanen |
|---|
| User | Marco Goiato |
|---|
| User`s name | |
|---|
| Observation's time (UT) | 2017-12-18 03:00:00 |
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| Tool | Naked Eye |
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| Observation's place | Araçatuba |
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| Comparison stars source | YG - Yale Bright Star Catalogue |
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| Method | I - Variable stars (without defocusing) |
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| Magnitude | :3.8 |
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| Coma diameter(') | 70 |
|---|
| Tail's length | Not set |
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| Condensation | 3.5 |
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| Positional angle of tail | Not set |
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| Bortl's scale | Not set |
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| Aperture | Not set |
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| Focal length (mm) | Not set |
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| Type of tool | E - Naked eye |
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| Magnification | Not set |
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| Field of view (°) | Not set |
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| SQM-L in zenith | |
|---|
| Light pollution zone | Yellow |
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| Lm | |
|---|
| Comment | Moonlight, averted vision. |
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| Morris Format | 2017 Dec 18.13 UT: m1=3.8:, Dia.=70', DC=3.5...Naked Eye ...Marco Antonio Coelho Goiato (Araçatuba, Brazil) |
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