This is a supernova remnant. The Chinese recorded the supernova event in 1060AD, and even saw it during daylight hours for several days. It lies around 6,500 light years away.
Image Details:
- Imaging Scope: Celestron C8 SCT
- Imaging Camera: ZWO ASI183MC Color with ZWO IR cut filter
- Guider: Celestron Starsense Autoguider
- Mount: Celestron CGEM
- Acquisition Software: Sharpcap
- Guiding Software: Celestron
- Capture Software: SharpCap Pro (LiveStack mode with dithering)
- Light Frames: 30*5 mins @ 100 Gain, Temp -20C
- Dark Frames: 30*5 mins
- Stacked in Deep Sky Stacker
- Processed in PixInsight, Adobe Lightroom, and Topaz Denoise AI
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