| Comet | C/2009 O4 (Hill) |
|---|
| User | Sergey Shurpakov |
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| User`s name | Sergey Shurpakov |
|---|
| Observation's time (UT) | 2009-10-11 18:14:00 |
|---|
| Observation's place | Not set |
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| Comparison stars source | ICQ: UO. USNO A2.0 catalogue R magnitudes |
|---|
| Method | C |
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| Magnitude | 16.3 |
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| Mag Error | Not set |
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| Coma diameter(') | 0.39 |
|---|
| Tail's length | 4' |
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| Coma degree of condensation | 8 |
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| Positional angle of tail (°) | 4 |
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| Aperture | 15 cm |
|---|
| Telescope focal length (mm) | 1050 |
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| Telecope Type | R |
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| Exposure of single frame (sec) | 480 |
|---|
| Phot Region | |
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| Software (with version) | ICQ: A41. Astrometrica 4.1 |
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| Stars Exposure | Not set |
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| Photometric-aperture size | ○ 0.39' |
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| Camera | ST0 |
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| Chip | K6F |
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| Chip blooming | |
|---|
| Number of images | Not set |
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| Magnitude of the comparison star closest in brightness | 15.7 |
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| Calibration methods | dark-subtracted (and bias-subtracted) |
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| Pixel size width | 1.7" |
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| Pixel size height | 1.7" |
|---|
| Light pollution zone | Not set |
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| Lm | Not set |
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| SQM-L in zenith | Not set |
|---|
| Observatory code | |
|---|
| Comment | Not set |
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