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Compliments of the season Bernard.

Whilst not Zeiss, Joan Guarro Flo found great improvement in using a Richardson grating over the Thorlabs equivalent in his T_NOU echelle, so I imagine a Zeiss grating to be superior still, with the price tag to match no doubt! Perhaps Thorlabs shouldn't be the ...

Hello Joan,

Not wanting to hijack the thread, I remember you mentioned working on a fibre head for your wonderful Nou_T echelle and wondered if you had any success in getting the fibre feed to work?

Stu

Hamish,
It is imperative that you get your facts in order before posting on TNS and cc'ing professional astronomers.
I'd leave it alone and take a lesson from this.

Stu

Absolutely fantastic Christian!
I will certainly be putting an order in for the V2 kit, R=40000 is amazing for such a lightweight, DIY project. I also saw you could get down to 15th magnitude with larger scope and wider slit.
The ability to travel with a lighter scope and set up is very appealing ...

We were graced with a beautiful lunar eclipse this week and I took the opportunity to record the filtering effect of the atmosphere on the solar spectrum.
I used the LhiresIII with the 150l/mm grating on a C11, 314L+ was the imaging camera.
I include a pre-eclipse ;) , and a mid-totality image too ...

Superb results Joan. 16 bit CMOS spectroscopy has arrived!

You still use the 85mm lens here, how does the camera handle a longer lens?

A quick look in SIMBAD...


Identifiers (7) :

TYC 1799-1159-1
GSC 01799-01159
TIC 113982505
Gaia DR1 64628640645664512
EPIC 210971470
2MASS J03393386+2231402
Gaia DR2 64628644941989120

Matthieu,

Nice job, thank you for taking the time to document your method!
I have been using Anaconda on an Ubuntu laptop and had some success. Python is the way to go!

Regards,

Stu

Great stuff James,

Thanks for taking the time to put that up.

Another fantastic essay from Christian too!

Regards,

Stu

Thanks Benji,

Your excellent Spcaudace software was on my "to do "list for downloading so thanks for the timely reminder.
Thank you for making a Linux version too!

Cheerio,
Stu