This crossword No. 9214 clues and answers were published on Fri 12 Nov 1999 and the puzzle can be visited by following The Guardian Quick Crossword No. 9214 link.
All Across Clues and Answers:
5-across – Study of stars etc : ASTRONOMY
8-across – Rounded end of building : APSE
9-across – Estrange : ALIENATE
10-across – Asian peninsular : ARABIA
11-across – South American river : AMAZON
13-across – Microscopic animal : AMOEBA
15-across – Scared – regretful : AFRAID
16-across – April 25, a holiday down under : ANZACDAY
18-across – Be next door to : ABUT
19-across – Having no : UNRELATED
All Down Clues and Answers:
1-down – Get together : ASSEMBLE
2-down – War fleet : ARMADA
3-down – Heart disease : ANGINA
4-down – Sign : OMEN
6-down – Room ? flat : APARTMENT
7-down – Very bad : ATROCIOUS
12-down – Means of broadcasting : AIRWAVES
14-down – Bad : ADDLED
15-down – However that may be : ANYWAY
17-down – Relative : AUNT
This crossword has in total 20 where 10 are across and 10 are down.