Planet at opposition
Saturn at Opposition
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Saturn is opposite the Sun in our sky, near its brightest and visible for most of the night.
Date Monday, October 18, 2027
Local time 03:18
Visibility Excellent
Location Worldwide event
Event in numbers
- Saturn · brightness
- -0.1 mag
- Lower numbers mean brighter; calculated, not a weather forecast.
- Saturn · height
- 43° · SW
- 03:18 · 18 Oct 2027
- Distance from Earth
- 1,245.5 million km
- Centre-to-centre distance at the event time.
- Illuminated disc
- 100%
- Separation from Sun
- 177.2°
- Apparent diameter
- 20″
- Planet disc in arcseconds; excludes rings. 3,600″ = 1°.
What to know
Best around midnightVisible most of the night-0.1 magnitudeNaked eye; telescope for rings
How this was calculated
Astronomical calculation
- Source
- Astronomy Engine
- Method
- Apparent positions calculated from VSOP87 and NOVAS-based models.
- Accuracy and limits
- Times are suitable for observing plans; local horizons, terrain, and atmospheric refraction can shift first or last visibility.
Where to look Use the planet's live direction and best time; the higher view is usually steadier than the first glimpse at the horizon.
What to bring Your eyes to find the planet; binoculars or a telescope for the details appropriate to this target.
What to expect
The rings need a telescope, not the naked eye. Their apparent width changes with the viewing angle, and colour bands are subtle.
Before you leave
- Plan around the best time rather than just the opposition timestamp; the event does not switch on for one instant.
- Let a telescope adjust to the outdoor temperature and avoid looking across a warm roof or a hot road.
- Start with a low-power eyepiece and have the target chart ready before increasing magnification.
How to observe it
- Centre the planet at low magnification before increasing power a little at a time.
- Wait through wavering moments for brief sharper views; more magnification will not fix unsteady air.
- Compare your view on another suitable night; this useful observing period extends beyond the exact calendar moment.