Nephology » As op

As op

Altostratus opacus
variety of Altostratus

Altostratus, the greater part of which is sufficiently opaque to mask the position of the sun or moon.

Martin John Callanan, Nephology records clouds observed.

Definitions according to International Cloud Atlas (1956 edition).

Descriptions of Clouds

Ac
- Ac cas
- Ac du
- Ac flo
- Ac la
- Ac len
- Ac op
- Ac pe
- Ac ra
- Ac str
- Ac tr
- Ac un
As
- As du
- As op
- As ra
- As tr
- As un
Cb
- Cb cal
- Cb cap
Cc
- Cc cas
- Cc flo
- Cc la
- Cc len
- Cc str
- Cc un
Ci
- Ci cas
- Ci du
- Ci fib
- Ci flo
- Ci in
- Ci ra
- Ci spi
- Ci unc
- Ci ve
Cs
- Cs du
- Cs fib
- Cs neb
- Cs un
Cu
- Cu con
- Cu fra
- Cu hum
- Cu med
- Cu ra
Ns
Sc
- Sc cas
- Sc du
- Sc la
- Sc len
- Sc op
- Sc pe
- Sc ra
- Sc str
- Sc tr
- Sc un
St
- St fra
- St neb
- St op
- St tr
- St un