Filming Sunspots in Multiple Resolutions
Автор: Alan Howell
Загружено: 2023-08-13
Просмотров: 96
In preparation for filming the solar eclipse in Oct. 2023, I filmed these sunspots around midday in multiple video resolutions with a one-shot color astro camera (OSC) to show how the camera sensor's pixels register the image data under Average atmospheric 'seeing' conditions and Below Average 'transparency'. The smaller the video resolution, the tighter the cropping is on the sensor, the more you can see the effects of atmospheric turbulence in the image. The passing clouds add a bit of extra contrast to the camera pixels and the surface of the Sun while adding a bit of dramatic flare. This extra contrast unfortunately makes it easier to see the Bayer matrix (ie. the mosaic of faint gridlines) over the color camera sensor.
Astronomy equipment used:
Optics: Astro-Tech 72EDII
Camera: ZWO ASI183MC Pro
Modifiers: Astro-Tech 0.8X Reducer/Flattener
Star Tracking Mount: Sky-Watcher Star Adventurer v1
Computer: ASIAir Plus
Filters - Baader Astro film, Astromania Deluxe Filter, SVBONY UV/IR Cut Filter
See more of my astrophotography and other photo galleries at my main website -
https://www.starpathimages.com/
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