| Comet | C/2008 N1 (Holmes) |
|---|
| User | Sergey Shurpakov |
|---|
| User`s name | Sergey Shurpakov |
|---|
| Observation's time (UT) | 2009-08-24 04:19:00 |
|---|
| Observation's place | Not set |
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| Comparison stars source | ICQ: UO. USNO A2.0 catalogue R magnitudes |
|---|
| Method | C |
|---|
| Magnitude | 15.0 |
|---|
| Mag Error | Not set |
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| Coma diameter(') | 0.26 |
|---|
| Tail's length | Not set |
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| Coma degree of condensation | 8.5 |
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| Positional angle of tail (°) | Not set |
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| Aperture | 18 cm |
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| Telescope focal length (mm) | 1260 |
|---|
| Telecope Type | R |
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| Exposure of single frame (sec) | 300 |
|---|
| Phot Region | |
|---|
| Software (with version) | ICQ: A41. Astrometrica 4.1 |
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| Stars Exposure | Not set |
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| Photometric-aperture size | ○ 0.26' |
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| Camera | STL |
|---|
| Chip | KA1 |
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| Chip blooming | |
|---|
| Number of images | Not set |
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| Magnitude of the comparison star closest in brightness | 14.8 |
|---|
| Calibration methods | dark-subtracted (and bias-subtracted) + flat-field corrected (flat-fielded) |
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| Pixel size width | 1.3" |
|---|
| Pixel size height | 1.3" |
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| Light pollution zone | Not set |
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| Lm | Not set |
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| SQM-L in zenith | Not set |
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| Observatory code | |
|---|
| Comment | Not set |
|---|
