IRST can help, but it's like viewing the world through a straw. It works best when cued by other systems. I'm unaware of any telephoto systems in use since the F-14 was retired (obviously excluding the few airframes Iran might still be using).
Unaided pilot vision is unlikely to spot a target at 22 miles without some type of guidance.
Unaided pilot vision is unlikely to spot a target at 22 miles without some type of guidance.