Centaurus and Crux
This tight composition frames two of the best known regions of the Southern Hemisphere night sky: 1) Alpha and Beta Centauri, and Crux and the Coalsack.
Alpha and Beta Centauri are two of the brightest naked-eye stars in the sky while Crux is one of the most recognizable constellations.
For more information on Centaurus, see the entries in Wikipedia and U. Wisconsin. For a chart of Centaurus, see Cen (IAU).
For more information on Crux, see the entries in Wikipedia and U. Wisconsin. For a chart of Crux, see Cru (IAU).
Technical Details
- Object: Centaurus and Crux
- Date/Time: 2018 Apr 16 at 05:07 UTC
- Location: Atacama Lodge, San Pedro de Atacama, Chile
- Mount: iOptron iEQ30 Pro GEM
- Lens: Nikkor 105mm f/2.5
- Camera: Nikon D750
- Field of View: 19.4° x 13.0° at 15.5 arc-sec/pixel
- Exposure: 8 x 120s, f/2.8, ISO 1600 and 30s, f/2.8, ISO 1600 with Cokin A840 Diffusion Filter
- File Name: CenCru18-01w.jpg
- Pre-Preprocessing (Starry Sky Stacker): Sub Exposures were Flat-Fielded, Registered and Stacked
- Processing (Adobe Lightroom): White Balance, Curves, Noise Reduction
- Processing (Photoshop CC): Layers, Opacity (Cokin A840 Diffusion Filter image)
- Original Image Size: 3977 × 5923 pixels (17.9 MP); 13.3" x 19.4" @ 300 dpi
- Rights: Copyright 2018 by Fred Espenak. All Rights Reserved. See: Image Licensing.