Your SQL command was: 
 SELECT TOP 10 objID, cModelMag_g 
 FROM Galaxy 
 WHERE 
 cModelMag_g between 18 and 19

Your query output (max 500,000 rows):

objIDcModelMag_g
123766226646296204218.32915
123766633919027622118.88483
123766633919027624218.61989
123766633919027624618.80272
123766633919027627818.31735
123766226646538668818.6897
123766226646538673718.0538
123765079568036671718.24527
123766322908738426518.34572
123767465153573708218.98157