The Whirlpool Galaxy, also known as Messier 51 with its adjacent NGC 5194, is an interacting grand-design spiral galaxy with a Seyfert 2 active galactic nucleus. It lies in the constellation Canes Venatici, and was the first galaxy to be classified as a spiral galaxy. Its distance is estimated to be 31 million light-years away from Earth.
A work in progress. This image does not have any narrow band data added.
| Exposure | 80@300 sec (6.6 hours) |
| ISO | 800 |
| Camera | Nikon Z7 [8856 x 5504] |
| Optics | Skywatcher Esprit 120mm Refractor, 840 mm focal length |
| Filter | Clear |
| Guiding | Phd2 using a ZWO 224MC on an Orion 60x240mm Guide scope |
| Controller | Images taken using Kstars on an Odroid-N2 (Raspberry Pi clone) |
| Location | Lower Sackville, Nova Scotia. |
| Date | 2021-06-13 |
| PixInsight Processing | | WeightedBatchPreprocessing Script | | Dynamic Crop | | Automatic Background Extractor | | PhotometricColourCalibration | | MultiscaleLinearTransform | | HistogramTransform | | CurvesTransformation |
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| Further tweaking in Lightroom; Topaz DeNoise AI, Sharpen AI and GigaPixel AI. |
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