| Comet | 252P/LINEAR
|
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| User | Aquarellia |
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| User`s name | |
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| Observation's time (UT) | 2016-04-07 02:30 |
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| Tool | Vixen BT126-SS-A |
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| Observation's place | Notre Dame la Brune |
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| Comparison stars source | AE - Planetary magnitudes from the American Ephemeris and Nautical Almanac |
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| Method | I - Variable stars (without defocusing) |
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| Magnitude | 7.00 |
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| Coma diameter(') | 20 |
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| Tail's length | 0 |
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| Condensation | 1 |
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| Positional angle of tail | Not set |
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| Bortl's scale | 3 |
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| Aperture | 12.6 |
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| Focal length (mm) | Not set |
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| Type of tool | B - Binoculars |
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| Magnification | 40 |
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| Field of view (°) | 1.5 |
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| SQM-L in zenith | 20.55 |
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| Light pollution zone | Gray |
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| Lm | 6.0 |
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| Comment | In the same field than M14 I use M14 m=7.6 and M13 m=5.8 as magnitude comparison. Greenish color was perceptible.
I made two sketches with my Vixen 126mm: 25x and 40x |
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| Morris Format | 2016 Apr 7.1 UT: m1=7.00, Dia.=20', DC=1, Tail: 0 deg ...12.6-cm B (40x) ...Deconinck Michel (Notre Dame la Brune, France) |
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