Sirius spectrum

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• Object: Sirius, HIP 32349
• Spectral type: A1V
• Telescope: 150/750 Newtonian, SkyWatcher
• Camera: Imaging Source DMK 21
• Spectroscope: Star Analyser
• Date: 18.02.2010

Recorded spectrum

Here is a raw spectrum of Sirius recorded with DMK21:

Analyzed spectrum

Processed in VSPEC and calibrated on hydrogen lines the spectrum looks like this:

Except hydrogen absorption lines there are atmospheric oxygen lines and some unknown bands at 705-715nm.

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