| Comet | C/2015 V2 (Johnson) |
|---|
| User | antares48 |
|---|
| User`s name | P. Jordanov |
|---|
| Observation's time (UT) | 2017-04-01 19:45:00 |
|---|
| Observation's place | Dimitrovgrad-Brod |
|---|
| Comparison stars source | ICQ: TK. Tycho-2 Catalogue |
|---|
| Method | c |
|---|
| Magnitude | 9.25 |
|---|
| Mag Error | Not set |
|---|
| Coma diameter(') | 4.78 |
|---|
| Tail's length | 8.25' |
|---|
| Coma degree of condensation | 5 |
|---|
| Positional angle of tail (°) | 311 |
|---|
| Aperture | 15 cm |
|---|
| Telescope focal length (mm) | 750 |
|---|
| Telecope Type | L |
|---|
| Exposure of single frame (sec) | 30 |
|---|
| Phot Region | |
|---|
| Software (with version) | |
|---|
| Stars Exposure | Not set |
|---|
| Photometric-aperture size | 1.92 |
|---|
| Camera | Defined by user: Canon 100D |
|---|
| Chip | |
|---|
| Chip blooming | |
|---|
| Number of images | Σ |
|---|
| Magnitude of the comparison star closest in brightness | |
|---|
| Calibration methods | dark-subtracted (and bias-subtracted) + flat-field corrected (flat-fielded) |
|---|
| Pixel size width | |
|---|
| Pixel size height | |
|---|
| Light pollution zone | Green |
|---|
| Lm | 5 |
|---|
| SQM-L in zenith | |
|---|
| Observatory code | |
|---|
| Comment | Not set |
|---|
