| Comet | 209P/LINEAR |
|---|
| User | AHale |
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| User`s name | Alan Hale |
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| Observation's time (UT) | 2014-04-21 03:35:00 |
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| Tool | 41-cm reflector |
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| Observation's place | Cloudcroft |
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| Magnitude | [14.5 |
|---|
| Comparison stars source | AE - Planetary magnitudes from the American Ephemeris and Nautical Almanac |
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| Method | |
|---|
| Coma diameter(') | Not set |
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| Tail's length | Not set |
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| Condensation | |
|---|
| Positional angle of tail | Not set |
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| Bortl's scale | Not set |
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| Aperture | 40.64 cm |
|---|
| Focal length (mm) | 1828.8 |
|---|
| Type of tool | L - Newtonian reflector |
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| Magnification | 228.6 |
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| Field of view (°) | 0 |
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| SQM-L in zenith | Not set |
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| Light pollution zone | |
|---|
| Lm | Not set |
|---|
| Comment | limiting magnitude ~14.5 for a slightly non-stellar object, ~15.0 for something completely stellar |
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| Morris Format | 2014 Apr 21.15 UT: m1=[14.5 ...40.64-cm L (228.6x) ...Alan Hale (Cloudcroft, U.S.A.) |
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