| Comet | C/2015 F5 (SWAN-Xingming) |
|---|
| User | AHale |
|---|
| User`s name | |
|---|
| Observation's time (UT) | 2015-04-21 03:21:00 |
|---|
| Tool | 41-cm reflector |
|---|
| Observation's place | Cloudcroft |
|---|
| Comparison stars source | NH - North Polar Sequence (publ. by Henden and Kaitchuck, 1982) |
|---|
| Method | S - Sidgwick`s method |
|---|
| Magnitude | :10.9 |
|---|
| Coma diameter(') | 1.5 |
|---|
| Tail's length | Not set |
|---|
| Condensation | 2.5 |
|---|
| Positional angle of tail | Not set |
|---|
| Bortl's scale | Not set |
|---|
| Aperture | 40.64 |
|---|
| 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 | I had to play "dodge the clouds," although I did have some times when the sky was relatively clear. |
|---|
| Morris Format | 2015 Apr 21.14 UT: m1=10.9:, Dia.=1.5', DC=2.5 ...40.64-cm L (70.3x) ...Alan Hale (Cloudcroft, U.S.A.) |
|---|
