Messier 65 (also known as NGC 3623) is an intermediate spiral galaxy about 35 million light-years away in the constellation Leo, within its highly equatorial southern half. It was discovered by Charles Messier in 1780. With M66 and NGC 3628, it forms the Leo Triplet, a small close group of galaxies.
| Exposure | 12@1200 sec + 8@300 sec (3.7 hours) |
| ISO | 800, 3200, 5000 |
| 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 | 2021-06-21 |
| PixInsight Processing | | WeightedBatchPreprocessing Script | | Dynamic Crop | | Automatic Background Extractor | | MultiscaleLinearTransform | | HistogramTransform | | CurvesTransformation |
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| Further tweaking in ImagesPlus to remove the dust bunnies; Lightroom; Topaz DeNoise AI, Sharpen AI and GigaPixel AI. |
