Cryptic crossword No 3,924

Across

1. Respect inspiring, hot alien seers (8)
2. Rules of guns essentially ignored (6)
3. Back trouble before opening temple (6)
4. Social gathering thing in cryptic (5,3)
5. College boy shows solidarity (6)
6. Bitter, bitter, not right (4)
7. A delight cycling to find bird (5)
8. Special initiators of rock and roll era (4)
9. Naked? Tough shit (4)
10. Katy Perry somewhat kind (4)
11. Move deed that's about tax (8)
12. Similar to love (4)
13. Essay statement primarily in this (6)
14. Study exactly correct (8)
15. Extinct animal is around, possibly (8)
16. Close court, avoiding what attracts bees (4)
17. Without leader, Hindus attempt business (8)
18. Fancy vehicle hosts British lower-class dance? (5)

Down

1. Dish on gold table (7)
2. Runner maybe follows quiet, ignorant movement (5)
3. Holiday Teresa managed (6)
4. Upset American enters empty Indian state (7)
5. Ritual with no technology? I run, upset (9)
6. Explorer #1 invades dock (7)
7. Stored dye badly ruined (9)
8. Losing power per day, failing set (5)
9. And time-out, oddly, is so long (5)
10. Idiot's second Mahjong win (5)
11. Pleasure material (7)
12. Identification tool from shopping at Godiva's counter (3,3)
13. Large house fashionable for criminal (7)
14. Catch son leaving home (3)
15. Metro rescuers evacuated when ground shakes (7)