IC 2118, The Witch Head Nebula

IC 2118, The Witch Head Nebula, is a faint reflection nebula associated with the star Rigel in the constellation Orion. Rigel is outside the image (center right). The halo of Rigel can be seen on the right edge of the image. Radiation from Rigel illuminates the nebula. (NASA)

Image processed by Andrew Macica, original data from Telescope Live.

Imaging Details:

Observatory: Heaven's Mirror Observatory, Yass, Australia

Telescope: Takahashi FSQ-106ED

Aperture: 106 mm (4.17 inches), f/3.6

Focal Length: 382 mm (with 0.73x focal reducer)

Camera: FLI ProLine PL16803 CCD

Filters: LRGB

Total Exposure: 11 hours 40 minutes

Image Processing: PixInsight 1.8.9-3 Ripley (x64);

BlurXTerminator, NoiseXTerminator, StarXTerminator (RC Astro);

Adobe Photoshop 25.12.1;

Adobe Lightroom Classic 14.2

Instruction on PixInsight from Adam Block Studios.