| Comet | 15P/Finlay
|
|---|
| User | AHale |
|---|
| User`s name | Alan Hale |
|---|
| Observation's time (UT) | 2015-01-16 01:40:00 |
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| Tool | 41-cm reflector |
|---|
| Observation's place | Cloudcroft |
|---|
| Magnitude | 9.7 |
|---|
| Comparison stars source | AE - Planetary magnitudes from the American Ephemeris and Nautical Almanac |
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| Method | M - Morris`s method |
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| Coma diameter(') | 2 |
|---|
| Tail's length | Not set |
|---|
| Condensation | 7/ |
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| Positional angle of tail | Not set |
|---|
| Bortl's scale | Not set |
|---|
| Aperture | 40.64 cm |
|---|
| Focal length (mm) | 1828.8 |
|---|
| Type of tool | L - Newtonian reflector |
|---|
| Magnification | 70.3 |
|---|
| Field of view (°) | 0 |
|---|
| SQM-L in zenith | |
|---|
| Light pollution zone | Blue |
|---|
| Lm | Not set |
|---|
| Comment | Overall brightness was similar to what it had been earlier in the month, although there was a very bright, almost starlike central condensation. |
|---|
| Morris Format | 2015 Jan 16.07 UT: m1=9.7, Dia.=2', DC=7.5 ...40.64-cm L (70.3x) ...Alan Hale (Cloudcroft, U.S.A.) |
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