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I was flat on my back, with my camera above me on the tripod. My first time ever seeing yellow and red Aurora in Alaska. What an amazing sight!
| Categorías: None | Tipo de cámara: Canon EOS 40D |
| Manufacturer: | Canon |
| Model: | Canon EOS 40D |
| Orientation: | top - left |
| x-Resolution: | 72.00 |
| y-Resolution: | 72.00 |
| Resolution Unit: | Inch |
| Software: | Adobe Photoshop CS5.1 Windows |
| Artist: | David LaForest |
| Compression: | JPEG compression |
| Exposure Time: | 10 sec. |
| FNumber: | f/3.5 |
| Exposure Program: | Manual |
| ISO Speed Ratings: | 200 |
| Exif Version: | Exif Version 2.21 |
| Shutter speed: | -3.32 EV (APEX: 0, 9 sec.) |
| Aperture: | 3.61 EV (f/3.5) |
| Exposure Bias: | 0.00 EV |
| MaxApertureValue: | 3.62 EV (f/3.5) |
| Metering Mode: | Pattern |
| Flash: | Flash did not fire, compulsory flash mode. |
| Focal Length: | 28.0 mm |
| SubsecTime: | 00 |
| SubSecTimeOriginal: | 00 |
| SubSecTimeDigitized: | 00 |
| Color Space: | sRGB |
| PixelXDimension: | 900 |
| PixelYDimension: | 600 |
| Focal Plane x-Resolution: | 4438.36 |
| Focal Plane y-Resolution: | 4445.97 |
| Focal Plane Resolution Unit: | Inch |
| Custom Rendered: | Normal process |
| Exposure Mode: | Manual exposure |
| White Balance: | Auto white balance |
| Scene Capture Type: | Standard |
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Debbie
http://www.swpc.noaa.gov/rt_plots/kp_3d.html
For me in NY state, the Kp index has to get >6 to see some activity. You in Alaska probably see this at much lower scales!!
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