BRIXIIS Astronomical Observatory

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Contact Form Spectra  66 Ophiuchi - HD164284 -  7 aug.2019

Spectra  66 Ophiuchi - HD164284- mag.: 4.6 - H-alpha detail

Telescope: 0.28 f/10 (C11 Cassegrain)

Spectroscope: LHiResIII with 2400 l/mm grating

Calibration with internal Ar/ne

Calibration RMS: 0.036 A

Resolving Power: 14402

Exposure: 3 x 600s