spectro-aras.com

A few more from this week.

very very nice, well done!

which order is H alpha?

Great work, looking forward to seeing the reduced data!

Congratulations to the whole 2spot team, and good luck for future discoveries, collaborations and publications!

I expect you are already familiar with the sequence of focusing all three (spectrograph,guide and telescope) focal planes, but in case not, here is my procedure: For my own spectrograph, I focus the camera using either a distributed light source such as the daytime sky (when one can have exactly the...

If you are using ISIS, you can find tools for preparing flats, darks and offset images from multiple input files on the "masters" tab.

It would be fun to one day attend one of these, if I travel from New Zealand in France, or perhaps even take part remotely. Perhaps enough people would be interested to join the sessions remotely or even just watch streaming and pay a registration fee to cover additional costs/staff requirement to s...

the spectrum looks great. I hope you are able to collect some more. with the northern and southern observers all able to observe it, it might be possible for us collectively to collect a good time series to study the evolution of this quite fast nova.

Another spectrum this morning, poorer signal to noise as I had some scattered clouds and some autoguiding problems.