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Thank you Ernst, it happened that I sent our worst spectrum. We had an issue with our spectrograph, it failed to focus the whole spectrum at once. So it was replaced with a new one. The following spectra should be of much better quality. I know your time is limited, still it would be so kind of you ...

Thank you for all your answers,
I see that there are several different approaches.

For Ernst, attached to this post you can find three of our 1d spectra.
I am looking forward to hear back from you.
Kind regards,
Patrick Franzinelli

Dear fellow astronomers, we have been collecting several spectra of VVCep in the range from 4700 to 6800 Angstrom during the last months. We used a DADOS spectrograph with a 1200l/mm grating and now we are working in BASS. Now we have some questions about how to evaluate the data The struggle begins...

Hi, thank you Andrew! I know about Walker's Spectral Atlas. That is indeed very useful. I'll also give a look at your link. Some days ago I've ordered this book: http://www.cambridge.org/gb/academic/subjects/physics/amateur-and-popular-astronomy/spectroscopy-amateur-astronomers-recording-processing-...

Hi! I would like to present the first spectrum I got in collaboration with my students Maximilian and Elina (both 16). It's a spectrum of 61 Cygni obtained with a LX200 10" SCT reflector, a ST-10XME and a DADOS spectrograph with a 1200 l/mm grating. The exposure time was of 3 times 5 minutes fo...

Hi I am Patrick Franzinelli from Italy, I am attending the local high school, and I am part of the astronomy club of our school. I have been part of the club for about 5 years now. Our group is called astrocusanus, and it is led by our physics teacher Christof Wiedemair. We are working on many proje...