Astronomical Software Internet Links Dovada student calculator (Science & Astronomic Calculator) Moonphase (Calculates Moonphases For a Date) Stellarium (Telescope Simulator & Planetarium) Willing Webcam (Webcam Streaming Software) Meridian (Solar System Observation Software) K3CCDTools (Autoguiding & Imaging Software) Aberrator (Test The Quality of Your Telescope) Televue Eyepiece Calculator (EP Calculator) Mirror Surface Area Spreadsheet (pdf) Celestial Maps (Generate Sky Maps) Registax (Image Stacking Software) My Own Observation Template (pdf) Metaguide (Autoguiding Software) GuideDog (Autoguiding Software) Scopism (Telescope Simulator) SPICA (Planetarium Software) PHD (Autoguiding Software) I have personally tested or still use the software listed | 
