spectro-aras.com

Hello,
I had a problem with the instrumental response, it was because I have my files in ".FITS" and the reference spectra are in ".FIT", when selecting the reference spectrum it gave me an error "not found" I have activated before clicking "Réponse" in ISIS the extension ."FIT" ok.

Now my spectrum ...

Hello again, I have looked for hot pixels and I have not seen them, even in images with them the rays are directed upwards, I think it could be a cosmic ray, I have processed the images again and this is the result after passing the appropriate filter, it has been removed keeping the 5 original ...

Hello, testing my new setup with a C11 (F/10) and Lhires III at 2400 l/mm. all mounted on the 511mm. The star is alpha dra, there is a line (6566.888) that I do not see in the spectra that you are downloading of the same object, I am looking at what it may be due to.

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Gracias.

Se vende, Lhires III junto a dos redes de difracción de 2400l/mm y 150l/mm
Con dos adaptadores para CCD uno lo tenía para la SX y otro para las cámaras Sbig ST7,ST9( si queréis más detalles preguntar)
Manual y maletín original.
Tiene las juntas selladas con cinta de aluminio para evitar la entrada ...

Hello Juan José, it is interesting to see the operation of SA200, I was looking at the right one for my configuration and they advised me the SA100. The idea is the same, to have a quick tool to make low resolution spectra of S.N. I spend a few nights capturing images of galaxies in their search ...

Hello, two weeks ago I disassembled the mirrors, at first glance the primary looked like dirty, of course looking from the mouth of the tube about 2.5 m. of the mirror. The surprise was to see it closely already disassembled, the aluminized is very damaged, in the area of the fasteners that is not ...

Good Morning.
I am Antonio Garrigós, I live in Spain, Observer since my childhood, always self-taught with scientific concerns, astronomy and microscopy have been my companions since then.
In astronomy I began studying the sky visually 70s, making a camera that I attached to the Polarex 102, with it ...