Now correctly obtains triplet on nights with multiple images. Night's best triplet is that with the best value of worst IQ within the triplet where the overall triplet spans at least 90 min and images within the triplet are separated by at least 20 min.
Merge branch 'master' of https://github.com/ijiraq/MOP
Blocks now show their central location in hours of RA, truncated to minutes, & dec truncated to minutes, and also show their span of ecliptic latitudes covered. Fields now have their ra/dec truncated to minutes.