Tag Archives: Astronomik H-alpha

Horsehead nebula revisited

Since we are coming to the end of winter, I thought that I had better make full use of the opportunity to image the Horsehead nebula. Otherwise I may have to wait another 8-10 months before I can image it again. I was particularly keen to try imaging it with the Astronomik Deep Sky RGB filters and CLS-CCD filter. But I also did a few H-alpha images to see what it could add. Continue reading Horsehead nebula revisited