Comet | C/2009 E1 (Itagaki) |
User | Sergey Shurpakov |
User`s name | Sergey Shurpakov |
Observation's time (UT) | 2009-03-20 17:31:00 |
Observation's place | Not set |
Comparison stars source | ICQ: UO. USNO A2.0 catalogue R magnitudes |
Method | C |
Magnitude | 9.9 |
Mag Error | Not set |
Coma diameter(') | 3 |
Tail's length | Not set |
Coma degree of condensation | 3.5 |
Positional angle of tail (°) | Not set |
Aperture | 8 cm |
Telescope focal length (mm) | 560 |
Telecope Type | R |
Exposure of single frame (sec) | 110 |
Phot Region | |
Software (with version) | ICQ: A41. Astrometrica 4.1 |
Stars Exposure | Not set |
Photometric-aperture size | ○ 3.00' |
Camera | AAL |
Chip | SAL |
Chip blooming | |
Number of images | Not set |
Magnitude of the comparison star closest in brightness | 9.8 |
Calibration methods | dark-subtracted (and bias-subtracted) |
Pixel size width | 1.4" |
Pixel size height | 1.4" |
Light pollution zone | Not set |
Lm | Not set |
SQM-L in zenith | Not set |
Observatory code | |
Comment | Not set |