It’s been a while since I got up at ‘Stupid O’Clock’ to do a bit of observing. But waking at 3am and feeling reasonably alert, a peek through the window confirmed perfect observing conditions and too good an opportunity to miss. Of the three Collinder Clusters I observed this morning, fate chose ones ones with huge¬†2 to 3 degree diameters, so for once all these had to be observed using the TMB. In retrospect,…