The Cave Nebula, also designated IC-5146, is a reflection and emission nebula in the constellation Cygnus. The nebulosity is about 2,500 light years away.
| Exposure |
• 15½ hours (93 X 10 minutes) @ -20°C • Dusk flats • Camera position angle: 0° |
| Processing |
• With PixInsight: ☞ Calibrate, star-align, and integrate subframes ☞ Background neutralization ☞ Histogram transformation ☞ Curve transformation • Noise reduction with Topaz DeNoise AI • Final tweaking and sizing in Photoshop CS6 |
| Date and Location |
• 2021: Sep. 29, Sep. 30, & Oct. 1 • Louisa County, Virginia, USA |
|
Equipment |
• TMB-130SS APO refractor @ f/7 on an A-P 1200 mount • ZWO ASI-1600MC Pro color camera • Guided with a ZWO ASI-120M 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