M57 - "Ring Nebula" in Lyra
| Telescope: | Takahashi Mewlon 250 @f/9 |
| Mount: | Takahashi EM-200 Temma |
| Camera: | SBIG ST-9XEI |
| Guider: | STV w/200mm Takumar lens |
| Exposures: | L: 60 min. R: 10 min. G: 10 min. B: 15 min. (all unbinned) |
| Note: | Images were acquired, reduced, combined (Average) with CCDSoft. Color and Luminence images were combined in Photoshop CS, where the LRGB image was adjused (Levels, Curves, Cropping). Finally, noise was reduced by applying a Gaussian Blur through a channel mask. |
| Location: | My backyard observatory in southeastern Minnesota. |
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