Cryptic crossword No 1,510

Across

1. Opus is near-ruined, producing novel of influence (10)
2. Potted pudding in East African capitals - but in West Africa? (6)
3. Sound from admirer has Colonel abandoning poor Nell (3)
4. In excelsis: terrible nun (6)
5. Lydia initially involved in quarrel, leading to elopement? (6)
6. Byzantine saints - oh, surprise! (8)
7. Pay for topless dance after end of film  (7)
8. School-day French spoken in a petulant way (5)
9. See 7d
10. Off condition at Ascot, perhaps (5)
11. Proud man duly disheartened when receiving bow (5)
12. Treason: corrupt politician (7)
13. See 30
14. Sensible 10 wails on odd hero, regrettably (6,8)
15. Regular regularly into tram rail (6)
16. Edmund's heart rejected after second letter to Fanny in America? (3)
17. Overproduces nothing with Batgirl? (6)
18. Read all about it, above and beyond (5,5)

Down

1. Confused uncle finds information centres (6)
2. Rifles around in cubbyhole (4)
3. Mr Bennet, perhaps, at court to make a deal (4)
4. Spanish produce risqué interpretation of Jane Austen at first (5)
5. Doing well at Wimbledon? Shocker! (5)
6. Lazy lady takes action against another from 3 in conversation (5)
7. Udolpho-obsessed girl stayed here, mistakenly rang to Henry: "Babe?"  (10,5)
8. Verbally invoice hotel for millions? What a melon! (8)
9. Drunk star agreed, but after having lost direction, fails to follow the path (6)
10. I drink in examination - no copying! (8)
11. Charge and signal - no need for A&E (6)
12. Disguised face, hands clutching latin movie (10)
13. Gentlemen's number, "Bless You!", is half-forgotten (6)
14. Peel leaves 23's stately home ball for a new life? (6)
15. Earthquake zone or oxygen-depleting chromosomes (6)
16. Old poet is a big hit in the States? (5)
17. Woolliest ends shorn off board trick (5)
18. Edward recalled Bath comeuppance, his first appearance in society? (5)
19. Baby of the group? She’s a matchmaker! (4)
20. Flag digital assistant 5 (4)