Question: What is the percentage of this constellation abbreviated as 'Nor'?
SQL: SELECT "Per­cent­age" FROM "1-177766-1" WHERE "Abbre­viation" = 'Nor';

Question: This constellation, abbreviated as 'Oph' has how many right ascension (in hm)?
SQL: SELECT COUNT("Right ascension (hm)") FROM "1-177766-1" WHERE "Abbre­viation" = 'Oph';

Question: What is the name of this constellation with an area of 245.375 sq. deg.?
SQL: SELECT "Constellation" FROM "1-177766-1" WHERE "Area (sq.deg.)" = '245.375';

Question: This constellation with a ranking of 51 has how many percentages on record?
SQL: SELECT COUNT("Per­cent­age") FROM "1-177766-1" WHERE "Rank" = 51.0;

Question: What is the percentage of this constellation with an area of 248.885 sq. deg.?
SQL: SELECT "Per­cent­age" FROM "1-177766-1" WHERE "Area (sq.deg.)" = '248.885';