spectro-aras.com

Thanks Hugo,

Demetra has been suggested, and it is certainly on my list of things to try. I was secretly hoping that another eShel user or two had seen this specific issue.

Much appreciated,

Paul

I am hoping someone might be able to shed some light on a curious problem that appears in the merged orders of eShel spectra processed in ISIS. The artefacts appear as 'bumps' at the points where individual orders meet in a merged spectrum and are particularly evident towards the red end, and almost ...

Greetings all,

A nova for the 'southerners'. It's rising mid-evening, and I'm sure François will appreciate on-going observations.

https://www.astronomerstelegram.org/?read=15639

Paul

A low resolution spectrum from tonight, with the nova low in the west.

Paul

Hi Keith,

Try removing the spaces from your folder names.

http://www.spectro-aras.com/forum/viewt ... f=8&t=2062

Paul

I have a friend who is considering buying an Alpy to attach to a small Riccardi-Honders telescope at f/3. I presume it will work, not withstanding the possibility of light loss due to vignetting ?

Any obvious issues ?

Paul

Solved. Spaces in the folder name.

Paul

Thanks Gerard,

That Dropbox folder is actually on a local disk (ISIS is reading and writing to a local disk, not to the cloud).

I guess it could be worth trying a different location to see if it makes a difference, but it has worked for years this way - so I'm not convinced that is the problem ...

Currently "oscillating". Southern observations encouraged (15 38 43.84 -47 44 41.1)

Paul