80A Medium Blue Filter
- The Moon’s features really benefit form use of this filter.
- Observations of Mercury in the twilight with this filter helps to reveal elusive surface features. Used on Venus it help to reveal subtle shadings in the clouds.
- On Mars this filter helps pick out high level clouds and the polar caps.
- This filter is the best one to use for both Jupiter & Saturn, enhancing details in the cloud belts, Red Spot and Saturn’s polar regions.
- This filter is also useful for enhancing ion tails in bright comets.
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