| Comet | 45P/Honda-Mrkos-Pajdusakova
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| User | Aquarellia |
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| User`s name | |
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| Observation's time (UT) | 2017-01-03 11:00 |
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| Tool | Meade 12" f5 |
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| Observation's place | Artignosc backyard |
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| Comparison stars source | TK - Tycho-2 Catalogue |
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| Method | M - Morris`s method |
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| Magnitude | 7.2 |
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| Coma diameter(') | 3 |
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| Tail's length | Not set |
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| Condensation | 6 |
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| Positional angle of tail | Not set |
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| Bortl's scale | Not set |
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| Aperture | 30 |
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| Focal length (mm) | 1500 |
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| Type of tool | L - Newtonian reflector |
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| Magnification | 150 |
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| Field of view (°) | 0.48 |
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| SQM-L in zenith | |
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| Light pollution zone | Blue |
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| Lm | |
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| Comment | No tail was visible because of the moonlight.
With the Lunicon SWAN filter I see a pseudo-nucleus not circular, like a shockwave.
I did a sketch.
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| Morris Format | 2017 Jan 3.46 UT: m1=7.2, Dia.=3', DC=6 ...30-cm L (150x) ...Deconinck Michel (Artignosc backyard, France) |
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