Table: ngc_objects_3001_4000_6
Columns: ngc_number
object_type
constellation
right_ascension_j2000
declination_j2000
apparent_magnitude

Question: For an apparent magnitude greater than 11.8 what Right ascension value is assigned?
SQL: SELECT "right_ascension_j2000" FROM ngc_objects_3001_4000_6 WHERE "apparent_magnitude" > 11.8

Question: What is the least apparent magnitude for all constellations from hydra?
SQL: SELECT MIN("apparent_magnitude") FROM ngc_objects_3001_4000_6 WHERE "constellation" = 'hydra'