doing this right?

SELECT * FROM gallery2 WHERE topic_id="547704" UNION SELECT * FROM gallery2 WHERE topic_id="299678" UNION SELECT * FROM gallery2 WHERE topic_id="1552079" UNION SELECT * FROM gallery2 WHERE topic_id="508394" UNION SELECT * FROM gallery2 WHERE topic_id="1543225" UNION SELECT * FROM gallery2 WHERE topic_id="114952" UNION SELECT * FROM gallery2 WHERE topic_id="736477" UNION SELECT * FROM gallery2 WHERE topic_id="224923" UNION SELECT * FROM gallery2 WHERE topic_id="1425828" UNION SELECT * FROM gallery2 WHERE topic_id="1259638" UNION SELECT * FROM gallery2 WHERE topic_id="715061" UNION SELECT * FROM gallery2 WHERE topic_id="1473732" UNION SELECT * FROM gallery2 WHERE topic_id="261171" UNION SELECT * FROM gallery2 WHERE topic_id="380286" UNION SELECT * FROM gallery2 WHERE topic_id="197877" UNION SELECT * FROM gallery2 WHERE topic_id="1480454"