Object Alnilam  (Epsilon Orionis, SAO 132346)
Telescope 14" Meade RCX400 at f/8
Spectrograph / CCD SBIG SGS, SBIG ST-7XME at -30C (08-Jan) and -25C (10-Jan)
Integration Details 3 x 180s, dark subtracted and median combined, slant corrected and sky subtracted
Date / Time (UTC) 08-Jan-2007 0611 UTC and 10-Jan-2007 0334 UTC
Moon Phase 79% and 62%
Approximate Airmass 1.20 and 1.42
CCD Response Curve Source Alnilam
Wavelength Calibration H and Ne lamps
Software Used CCDSoft, CCDStack, Iris, vSpec, Excel, Adobe Photoshop
Comments Alnilam can be used as a "Standard" star for flux calibration.  It is a Supergiant star with emission features.