Direction Strehler originally provided in Aston theatre adaptation? (4-5-4)

I believe the answer is:

east-north-east

'direction' is the definition.
(compass direction)

'strehler originally provided in aston theatre adaptation?' is the wordplay.
'originally' says to take the initial letters.
'provided in' indicates putting letters inside.
'adaptation?' is an anagram indicator (I've seen 'adaptation' mean this).
The first letter of 'strehler' is 's'.
'aston'+'theatre'='astontheatre'
'astontheatre' anagrammed gives 'eastnortheat'.
's' going into 'eastnortheat' is 'EAST-NORTH-EAST'.

I've seen this clue in The Times.

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