CCD Observation's detail view 3253
| Comet | C/2015 V2 (Johnson) |
|---|---|
| User | Artom |
| User`s name | Artyom Novichonok |
| Observation's time (UT) | 2016-05-20 20:24:00 |
| Observation's place | Not set |
| Comparison stars source | ICQ: AQ. APASS Catalogue |
| Method | C |
| Magnitude | 15.1 |
| Mag Error | Not set |
| Coma diameter(') | 0.35 |
| Tail's length | Not set |
| Coma degree of condensation | 7 |
| Positional angle of tail (°) | Not set |
| Aperture | 70.0 cm |
| Telescope focal length (mm) | 2800 |
| Telecope Type | C |
| Exposure of single frame (sec) | 30 |
| Phot Region | comparison stars are in the same frame as a comet |
| Software (with version) | ICQ: MIm. MaximDL |
| Stars Exposure | Not set |
| Photometric-aperture size | ☐ 0.33' |
| Camera | Ap7 |
| Chip | |
| Chip blooming | |
| Number of images | 2 |
| 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 | 1.8" |
| Pixel size height | 1.8" |
| Light pollution zone | Not set |
| Lm | Not set |
| SQM-L in zenith | Not set |
| Observatory code | |
| Comment | Not set |