M101 SN Spectra

M101 SN Spectra, taked by telescope newton 25cm and Star Analyzer filter 100.

The SN was mag. 11,5 during the immage and it’s possibile observe the spectra in a small 25 cm telescope.

It’s possible to see the Silicon line of the SNĀ 1a.

Immage by Mancini Riccardo, Cerreto Guidi Firenze Italy.

 

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