text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE table_name_72 (object_type VARCHAR, ngc_number VARCHAR, right_ascension___j2000__ VARCHAR)
  ### Question:
  Name the object type with an NGC number more than 6638 and right ascensions being 18h25m37.8s
  ### Answer:
  SELECT object_type FROM table_name_72 WHERE ngc_number > 6638 AND right_ascension___j2000__ = "18h25m37.8s"