| Comet | 209P/LINEAR |
|---|---|
| User | AHale |
| User`s name | Alan Hale |
| Observation's time (UT) | 2009-11-18 01:26:00 |
| Tool | 41-cm reflector |
| Observation's place | Cloudcroft |
| Magnitude | 12.9 |
| Comparison stars source | NH - North Polar Sequence (publ. by Henden and Kaitchuck, 1982) |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 0.7 |
| 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 | 228.6 |
| Field of view (°) | 0 |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 2009 Nov 18.06 UT: m1=12.9, Dia.=0.7' ...40.64-cm L (228.6x) ...Alan Hale (Cloudcroft, U.S.A.) |
