Sun in H-alpha
See also the 95 megapixel zoomable version.
Technical information
| Date & time | 2022 July 20th, 11:16 ~ 11:20 CEST |
| Location | Góra Siewierska, Poland |
| Optics | Teleskop-Service 152/900 achromat |
| Camera | ZWO ASI174MM |
| Filters | Daystar Quark Chromosphere |
| Mount | Rainbow Astro RST-135 |
| Tripod | Avalon T-Pod 90 |
| Composition | 5 stripe mosaic |
| Exposure | 8300 to 9800 frames per stripe Exposure time 3 ms at gain 320 3900 mm, f/25.6 |
| Processing | Custom script: divide stripes into stabilized sections AutoStakkert 3: align, stack Astra Image 5: wavelet sharpen Adobe Photoshop CC: compose mosaic, curves, equalize background, color, upscale 130% |
| Original resolution | 9760 x 9760 pixels (95 megapixels) See zoomable version |
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