m15

Didn't realise this was so big, 33000 light years distant and 80 light years across. Very tight core, tried loadsa times to get stars in the centre but nada. First seen by Maraldi in 1746 and included by Messier as one of his non-comet list here's s small subset of its 100000 stars...

globular cluster m15 in pegasus
700d on 250p    34x180s @ ISO800

a

Several StarTools versions later...