Using the simplest commercially available spectroscope, an amateur telescope, and a camera not designed for astronomy, I was able to approximate the expansion velocity of the stellar wind of a wolf rayet star. The results were compared with professional papers, determining their consistency. You guys can download it from: https://drive.google.com/file/d/1Bc0N3fZY9GFKewqAviJbws6EeWPIYlan/view?usp=sharing
All comments are welcomed, for improving the research results or redaction. I did my best with the english translation, I hope there are no too much errors.