[l3gendluk3 (Luke)]

Hi,

I am having some trouble taking a spectra of a neon emission lamp at around 1.5m in front of the telescope. I can take a spectrum with the sbig SGS on my bench but I have yet to take a spectrum with it on my telescope. I placed the neon lamp on the floor and manually moved the telescope so that the lamp is around the middle (I didn't have an eyepiece so I tried to place it near the secondary mirror) and marked the center of the finder on the floor. The slit holder isn't reflecting much light and images from the tracking ccd can barley show the slit.

Is 1.5m too close or am I doing something wrong?

Thanks,

Luke