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Orion Nebula multiband 2x2 mosaic - RGB
2026-04-03
- Classification
- Photograph
- Museum
- Wikimedia Commons
- Rights
- CC BY 4.0, as the museum states it.
- Who can see it
- Kids profiles and older: it shows nature, places, still life or a children's book. How works are placed
About this work
This multiband study of the Orion Nebula covered the near infrared, red, green, and blue bands along with H-alpha and [O III] emission. This image was assembled from the red, green, and blue data channels to produce a true color image. To the naked eye, the Orion Nebula looks gray because our eyes are not sensitive to the deep red H-alpha band under dark conditions. Instead, we see the teal emission of the H-beta and O-III band combined with Rayleigh scattering of the light of the Trapezium by dust. However, taking long exposures even with a cheap camera will reveal the true color of the nebula.
Mount: Sky-Watcher Wave 150i (strain wave German equatorial mount)
Telescope: Apertura CarbonStar RC8 (Ritchey–Chrétien telescope, 203 mm aperture, 1624 mm focal length, no reducer or flattener)
Camera: Touptek ATR533M (Sony IMX533 monochrome sensor)
Filters:
Touptek R (red channel) (384×20s)
Touptek G (green channel) (384×20s)
Touptek B (blue channel) (384×20s)
Software: NINA, SIRIL, GIMP
No AI tools were used in the making of this image.
