2102: Full circle

Four pairs of unclued lights (5,5) represent their solutions and together equal the remaining trio of unclued lights.
 
Across
5 Student of mental disorders or ufos? (8)
10 Relative from BR or ER, apparently (11, hyphened)
11 Doctor’s verdict, a dosing is in order (9)
12 Deal with work in church (4)
17 Composer heard on roll (4)
19 Short set of maps isn’t representing this place (8)
20 Some sea-green bore (5)
26 Rig the ship mystically for churchman (10, two words)
29 Ultra? Quite wrong – one keeping residence apart (10)
34 Lively black cuckoo won game (8)
36 Its seeds produce 39. Cut! Cut! (4)
38 Male gypsies coasting around without care at first (7)
41 Leading industrialist backing Sir Murdoch? (4)
42 Ruthless self-interest of chief magistrate having to gad around (9, three words)
43 Introspection of passageway with glass windows with tops swapped (11, hyphened)
44 Immature fellow’s safe hollow (8, two words)
45 A touch of elegance around chap’s home (5)
 
Down
1 Blackmore hero and heroine first and last a puzzle (6)
2 Start dissecting dietitian topless (8)
3 Outfits that are changed en route (5)
5 Welcome almost everyone round hall (5)
6 I offer the same (4)
7 Du bonbon ou gateau – un peu! (6)
8 Support troubled others midweek (8)
9 Heraldic devices round both sides of some fire baskets (8)
16 Pass round, please (6)
18 England batsman cut pace (4)
21 Tailor playing bridge (6)
22 3.15 (6)
24 Attractive redhead changed places with German, getting cross (8)
25 Escapee, one with gut trouble amongst five (8)
27 Goddess lives on – lives! (4)
28 Bathes taken up keeping leading man in shape (8)
32 Indian prince admitting love’s wrong for Persian princess (6)
35 Why Neil, drunk, appears about one? (5, hyphened)
37 Outside of Henley, doctor’s round spa hotel (5)
39 Small pensioner on TV show (4)
 
A first prize of £30 for the first correct solution opened on 18 March. There are two runners-up prizes of £20 (or, for UK solvers, the latest edition of The Chambers Dictionary — ring the word ‘Dictionary’). Entries to: Crossword 2102, The Spectator, 22 Old Queen Street, London SW1H 9HP. Please allow six weeks for prize delivery.