I spent a long time processing this object, trying many versions before settling on this one. Fragment of the Heart Nebula, IC 1805, S2-190 Mount: MT-90 Telescope: TS-Photon 8" f/4 Coma corrector: Starizona Nexus 0.75x Camera: ZWO ASI 2600mc Guide scope: 32x125mm mini guide scope Guide camera: ZWO ASI 178mm Filter: IDAS NBZ Total integration: 4.75 hours Date: October 17, 2022 Single exposure: 300 seconds Bin: 1x1, Sensor temperature: 0°C ISO/Gain: 100 Calibration: 30 darks, 30 biases, 30 flats Processing: FITStacker, PixInsight, Photoshop Sky brightness: orange zone.
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