**Important**
Using this app require knowledge of starscape photography.
This app can help you obtain a starscape photography with great image quality.
Exposure Time Calculator can tell you the right exposure time for a perfect starscape photography without annoying streaks or trails. Depending where you are, the actual shutter speed can be slightly slower than the suggestion
Supports cameras with following sensor size:
Micro Four Thirds
APS-C
35mm Full Frame
44 x 33 mm
54 x 40 mm
Stacking Calculator can tell you a brief number of the photos you will need to take in order to obtain a better quality. For example, stacking 4 photos taken in ISO 3200 (Actual ISO) can achieve the same quality as a single shot photo in ISO 1600 (Desired Equivalent ISO). This calculator works better if you use a Nikon/Sony Camera.