It has been a while since a review. Here is a quick writeup of the Shelyak LISA Spectrograph, a product that has been available for some time now, but only within my reach this month. It has been a pleasure working with it, and it's not my first experience with Shelyak Instruments, a company based... Continue Reading →
Last night's target now processed... stage 1.... the initial offering. Sometimes I remain happy with the first edit, sometimes not. This is NGC6888, the Crescent Nebula in Cygnus. The central star is known as a Wolf-Rayet star, WF 136, which is massive and rapidly shedding its outer laters into the surrounding interstellar medium. This whole... Continue Reading →
Introduction: As information changes, this article will be updated. It is always UNDER CONSTRUCTION. Every now and then an amateur astronomer asks me what equipment they will need to do good CCD imaging, or what the techniques are for good imaging. The questions lead to more questions, more answers, and a lot of typing! Compiled... Continue Reading →
