| Comet | C/2015 P3 (SWAN) |
|---|
| User | AHale |
|---|
| User`s name | Alan Hale |
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| Observation's time (UT) | 2015-08-17 |
|---|
| Tool | 41-cm reflector |
|---|
| Observation's place | Cloudcroft |
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| Magnitude | 12.2 |
|---|
| Comparison stars source | NH - North Polar Sequence (publ. by Henden and Kaitchuck, 1982) |
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| Method | S - Sidgwick`s method |
|---|
| Coma diameter(') | Not set |
|---|
| Tail's length | Not set |
|---|
| Condensation | |
|---|
| 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 | |
|---|
| Comment | Pretty easy object in the 41-cm scope, despite the fairly low elevation and zodiacal light. |
|---|
| Morris Format | 2015 Aug 17 UT: m1=12.2 ...40.64-cm L (70.3x) ...Alan Hale (Cloudcroft, U.S.A.) |
|---|
