› Forums › Imaging › Signal to Noise Ratio (SNR) estimates › Photometry freeware
22 June 2020 at 3:14 pm
#582670
![](https://britastro.org/wp-content/uploads/2021/02/picture-7761-1614033711-80x80.jpg)
Participant
Hi Tim. AstroImageJ (often seen contracted as AIJ) – built on Image J, which is used widely in research – does it quite nicely.