BRIXIIS Astronomical Observatory Spectra Alfirk - bet Cep - HD 205021 - 14 sept. 2020

Spectra HD 205021 - bet Cep - H-alpha detail


Telescope: 0.28 f/10 (C11 Cassegrain)

Spectroscope: L200 with 1800 l/mm grating

Calibration with internal Ar/ne

Calibration RMS: 0.001 A

Resolving Power: 12057

Exposure: 3 x 600s

SNR: