CCDSPEC spectrum of Vega 4/8/2018

Taken just before midnight 4-5/8/2018, I tried using EZCAP software but then found that Nebulosity 4 gave better images. There was no interlacing effect with images of Vega through the Skywatcher 120mm DS Pro refractor up to 6 seconds in length (I presume because camera is not receiving > maximum tolerated amount of light). Even … Continue reading CCDSPEC spectrum of Vega 4/8/2018