= Astronomical Magnitudes =

||  -4.2 || Venus                           ||
||       || full Moon at zenith             ||
||  +6.5 || faintest naked eye              ||
||  +9.5 || Binoculars                      ||
||       || 0.2 meter amateur telescope     ||
||   +22 || 0.6 meter telescope CCD 30min   ||
||   +34 || Hubble deep field               ||