ymq

This time:17.5 + 21 + 14 = 52.5mm (too close)

reminder: add a 0.5mm spacer

globular cluster m92 in hercules
veTEC571 on q150    35x4min @ hcg100

emission nebula sh2-101 tulip in cygnus
veTEC571 on q150    36x4min @ hcg100