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2 August 2016 at 10:24 pm #577448
After the long twilights it was back to the spectro action last night!
Fortune gave me a very bright spectrum this morning. Both good dispersion and good resolution.
Many iron lines with a strong sodium line so very probably a stony iron meteoroid. However doing a instrument flux correction shows the “true” brightness of the blue iron lines.
The video was quite interesting because the sodium line was very prominent on it’s own for a significant proportion of the meteors duration before the other lines lit up.