IC443 is a supernova remnant in the constellation Gemini, just northeast of the bright star Propus, out of view at the bottom. This nebula is thought to have been produced by a supernova explosion about 30,000 years ago. It is 5,000 light years away.
| Exposure |
• 6½ hours @ -20°C ☞Full-color: 24 @ 600 seconds ☞H-α (red):15 @ 600 seconds • Dusk flats • Camera position angle: 339° |
| Processing |
• With PixInsight: ☞ Calibration and star registeraton ☞ Subframe integration ☞ Histogram transformation ☞ Background noise reduction • Final tweaking in Photoshop CS6 |
| Date and Location |
• February 11 & 12, 2019 • Louisa County, Virginia, USA |
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Equipment |
• TMB-130SS APO refractor @ f/7 on an A-P 1200 mount • ZWO ASI-1600MC Pro color camera • Guided with an ST-402 camera on a 60mm f/5 scope • Imaging and autoguiding with MaxIm DL 6.20 • Automated image acquisition with ACP Observatory Control |
Updated May 23, 2023