NGC 2175 (also known as the Monkey Head Nebula) is an H II emission nebula located in the constellation Orion and is associated with the open star cluster NGC 2175 which is also shown in this image. It is thought to be located about 6,400 light-years away from Earth. The visual magnitude is 7.59.
| Exposure | 15@1200 sec (5 hours) |
| ISO | 800 |
| Camera | Nikon Z7 [8856 x 5504] |
| Optics | Skywatcher Esprit 120mm Refractor, 840 mm focal length |
| Filter | Radian Triad Ultra Quad-Band Narrowband Filter |
| 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 | 2021-01-15 |
| PixInsight Processing | | WeightedBatchPreprocessing Script | | Dynamic Crop | | Automatic Background Extractor | | ColourCalibration (both saturation and hue) | | MultiscaleLinearTransform | | HistogramTransform | | CurvesTransformation |
|
| Further tweaking for colour in Lightroom |
