CREATE TABLE table_name_24 (constellation VARCHAR(255), right_ascension___j2000__ VARCHAR(255), object_type VARCHAR(255), ngc_number VARCHAR(255))
what is the constellation when the object type is spiral galaxy, the ngc number is less than 3593 and the right ascension (j2000) is 11h05m48.9s?
    
SQL: SELECT constellation FROM table_name_24 WHERE object_type = "spiral galaxy" AND ngc_number < 3593 AND right_ascension___j2000__ = "11h05m48.9s"