m98Messier 98, M98 or NGC 4192, is an intermediate spiral galaxy about 44.4 million lht-years away in slhtly northerly Coma Berenices, about 6° to the east of the brht star Denebola (Beta Leonis). It was discovered by French astronomer Pierre Méchain on 1781, along with nearby M99 and M100, and was catalogued by compatriot Charles Messier 29 days later in his Catalogue des Nébuleuses & d…Learn what the M98 code does and how to use it to call a separate program from within another program. See the format, parameters, benefits and drawbacks of subprograms, and how to nest them.