DAT files:
http://quasar.teoth.it/html/varie/nova_cal_resp.dat
The nova is located in a dense star field so, to avoid (as much as possible) contamination of the spectrum with the stars, camera and grating block was rotated respect to the optic. I taken 10 different angle shots, then performed a sigma combine of frames previously registered on the spectrum.
Nova is not visibile from my observatory due to low height above the horizon, so I could not follow it with Lhires and main scope. I took advantage of the star party to make this interesting observation. Hope intensity calibration (with Zeta Sgr) is sufficiently good. I noticed some differences at the extremes of the spectral range, compared to other observations.
See you in OHP!
Paolo
