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Spectra HD 103287 - gam Cas - H-alpha detail

Telescope: 0.28 f/10 (C11 Cassegrain)

Spectroscope: LHiResIII with 2400 l/mm grating

Calibration with internal Ar/ne

Calibration RMS: 0.038 A

Resolving Power: 15005

Exposure: 3 x 300s