By Wolfgang Martin Wettlaufer | 2023-10-11
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On 10/10/2023 08:05 pm by Catherine Hyde | Website | Cambria, CA USA
This is 68 300-second images of NGC 7293, the Helix Nebula, stacked together, for a total of more than 5 1/2 hours of integration time.
Stellarvue 152mm refractor, Nikon D810A DSLR camera, Astro-Physics Mach2 GTO tracking mount
I processed the stars and the faint nebulosity separately in both PixInsight and Photoshop, mostly just stretching the nebulosity and reducing background noise.
