Messier Binocular Observation Certificate (Basic)
Messier Binocular Observation Certificate (Advanced)
Messier Telescopic Observation Certificate (Basic)
Messier Telescopic Observation Certificate (Advanced)
NGC Observation Certificates (Advanced)
Herschel Observation Certificates (Basic)
Herschel Observation Certificates (Advanced)
Planetary Observation Certificate (Basic)
Planetary Observation Certificate (Advanced)