
| Object | Pollux (Beta Geminorum, SAO 79666) |
| Telescope | 14" Meade RCX400 at f/8 |
| Spectrograph / CCD | SBIG SGS, SBIG ST-7XME at -20C |
| Resolution | Low resolution mode (150 lines/mm grating, 4.3 Angstroms/pixel dispersion, ~ 9 Angstrom resolution (R ~ 720 at H-alpha) |
| Integration Details | 11 x 30s, dark subtracted and median combined |
| Date / Median Time (UTC) | 05-Feb-2007 0500 UTC |
| Moon Phase | 92% |
| Approximate Airmass | 1.04 |
| CCD Response Curve Source | Epsilon Orionis |
| Wavelength Calibration | H and Ne lamps |
| Software Used | TheSky, CCDSoft, CCDStack, Iris, vSpec, Excel, Photoshop |
| Comments | Pollux is the orangish twin to Castor in the Constellation Gemini. Normally this star would not have needed 30s integrations, apparently the guider calibration was not working as well as it should have. |