| Comet | 41P/Tuttle-Giacobini-Kresak
|
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| User | Dmitry |
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| User`s name | |
|---|
| Observation's time (UT) | 2017-03-21 21:20 |
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| Tool | Binoculars 15x70 |
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| Observation's place | Мистолово (Mistola Hills) |
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| Comparison stars source | HJ - Magnitudes in the Hipparcos photometric system |
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| Method | S - Sidgwick`s method |
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| Magnitude | 8.9 |
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| Coma diameter(') | 13 |
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| Tail's length | Not set |
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| Condensation | 2 |
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| Positional angle of tail | Not set |
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| Bortl's scale | Not set |
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| Aperture | 7 |
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| Focal length (mm) | Not set |
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| Type of tool | B - Binoculars |
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| Magnification | 15 |
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| Field of view (°) | 4.4 |
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| SQM-L in zenith | |
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| Light pollution zone | Orange |
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| Lm | |
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| Comment | |
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| Morris Format | 2017 Mar 21.89 UT: m1=8.9, Dia.=13', DC=2 ...7-cm B (15x) ...Dmitriy Bulgakov (Мистолово (Mistola Hills), ) |
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