| Comet | C/2015 V2 (Johnson) |
|---|
| User | Dmitry |
|---|
| User`s name | |
|---|
| Observation's time (UT) | 2017-03-25 00:15 |
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| Tool | Binoculars 15x70 |
|---|
| Observation's place | Мистолово (Mistola Hills) |
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| Comparison stars source | HJ - Magnitudes in the Hipparcos photometric system |
|---|
| Method | S - Sidgwick`s method |
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| Magnitude | :9.5 |
|---|
| Coma diameter(') | 3 |
|---|
| Tail's length | Not set |
|---|
| Condensation | 0.5 |
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| Positional angle of tail | Not set |
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| Bortl's scale | 5 |
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| Aperture | 7 |
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| Focal length (mm) | Not set |
|---|
| Type of tool | B - Binoculars |
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| Magnification | 15 |
|---|
| Field of view (°) | 4.4 |
|---|
| SQM-L in zenith | |
|---|
| Light pollution zone | Yellow |
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| Lm | |
|---|
| Comment | Object is barely visible with bino 15x70 as a very diffuse blur |
|---|
| Morris Format | 2017 Mar 25.01 UT: m1=9.5:, Dia.=3', DC=0.5 ...7-cm B (15x) ...Dmitriy Bulgakov (Мистолово (Mistola Hills), ) |
|---|
