| The maximum obscuration of the sun takes place exactly at sunrise, so the best place to be to see it is the Yorkshire Coast with the horizon provided by the North Sea. |
| The obscuration of a celestial object which cannot be observed because another object is located between itself and the observer. |
| This results very easily in strong obscuration and influence on the antenna by these other objects. |
| As the obscuration of the Sun increases the sky darkens, although it never gets as black as dead of night. |
| They are also susceptible to local obscuration on the upslope side under moist flows from practically any direction. |
| It is however possible to reduce considerably the effects of extinction by combining 2 photometric bands in order to correct for obscuration. |
