The Pulsar Engineering Community Board

Hi Luc, We think we figured it out. Here are the details... Not seeing a response form our edge filter: We realized we were using a 567nm dichroic mirror instead of the 550nm (which was sold out at the time). The spectrum that the edge filter would remove was likely already cut out. Not seeing the f...

Hi Luc, Unfortunately my files aren't uploading, I'm getting the error that my "board attachment quota has been reached." My coworker is also on this forum, and may be able to upload later (potentially a permission thing?). But we tried your suggestion of rotating the grating, and are stil...

We are currently only able to view a portion of our spectral distribution, and when we adjust the grating we can see that the spectrum continues as we pan over (using the cage knobs to adjust). What might be the reason for this? So far we've tried recalibrating the position of the 2nd lens in the le...