Formal:
* As is evident
* As is apparent
* It is clear that
* It is obvious that
* Clearly
* Evidently
* It can be observed that
* It is noticeable that
Informal:
* You can see that
* Look
* Notice that
* Check it out
* See for yourself
* Take a look
Specific to the context:
* Based on the data (when referring to data)
* From the graph (when referring to a visual)
* In the picture (when referring to an image)
* As illustrated (when referring to a visual)
The best alternative will depend on the specific situation and the tone you want to convey.