Scientific Definition
Twilight is the time between sunset and darkness (or between darkness and sunrise). It is divided into three phases based on the sun’s angle below the horizon:
- Civil Twilight (Sun 0° to -6°): Bright enough for most outdoor activities.
- Nautical Twilight (Sun -6° to -12°): Horizon still visible at sea.
- Astronomical Twilight (Sun -12° to -18°): Faint light, stars become visible.
Photographic Characteristics
- Varies from soft light to deep blue
- Ideal for astrophotography, silhouettes, and long exposures
📸 Photo Tips
- Use a remote shutter release to avoid camera shake.
- Increase ISO carefully to balance exposure and noise.
- Capture silhouettes against the fading light.