Antares & M4
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Antares and Globular Clusters M4 (right) and NGC 6144 (top center) in Scorpio |
| Date | June 5 & 6, 2007 |
| Exposure | LRGB 171:60:54:51 (luminance synthesized R+G+B) |
| Camera | ST2000XM with SBIG filters |
| Telescope | Takahashi Sky90 @ f/4.5 on Losmandy G11 w/Gemini |
| Guiding | Self-guided (ST237) |
| Processing | MaximDL, PhotoshopCS2, FITS Liberator, GradientXterminator |
| Comments | Moderately good seeing around midnight; FWHM ~ 2.0 |
