Comet | C/2015 F2 (Polonia) |
User | chergen |
User`s name | Carl Hergenrother |
Observation's time (UT) | 2015-04-08 06:14:00 |
Observation's place | Not set |
Comparison stars source | ICQ: U4. UCAC4 photometry catalog |
Method | Z |
Magnitude | 14.7 |
Mag Error | Not set |
Coma diameter(') | 0.8 |
Tail's length | Not set |
Coma degree of condensation | Not set |
Positional angle of tail (°) | Not set |
Aperture | 51.0 cm |
Telescope focal length (mm) | 3570 |
Telecope Type | Y |
Exposure of single frame (sec) | 60 |
Phot Region | comparison stars are in the same frame as a comet |
Software (with version) | ICQ: IRA. IRAF |
Stars Exposure | Not set |
Photometric-aperture size | ○ 0.8' |
Camera | A16 |
Chip | E2V |
Chip blooming | |
Number of images | 3 |
Magnitude of the comparison star closest in brightness | Not set |
Calibration methods | dark-subtracted (and bias-subtracted) + flat-field corrected (flat-fielded) |
Pixel size width | 1.1" |
Pixel size height | 1.1" |
Light pollution zone | Not set |
Lm | Not set |
SQM-L in zenith | Not set |
Observatory code | |
Comment | Not set |