Sighting Question

[Imp]

I am not playing an expert here but I cant agree with low_bidder and Gila.
Once the target unit is spotted rules you guys talk about shouldnt play any role.
If you see the target you should be able to fire at it if it is in range. Chance of hitting is obviuosly a different matter.
Interesting thing to know Chipmunk would be if you had any other units which had this T-62 in LOS.
That could mean Gila was right.

As said these effect spotting as in detection not LOS once found & somebody could obviosly see it all units can see it if have LOS regardless.
Most likely reason is the LOS was marginal due to transparent trees & the likes of seeing over slightly higher terrain like high grass fields or through orchads all of which have a greater effect the lower the visibility.
The enemy tank saw you & fired leaving a small amount of dust in both it & your hex & this caused the LOS to be blocked as it was marginal anyway or other fire on there LOS path achieved the same thing. Now he cant see you either anymore but next turn the dust will have faded & both units will be visible to each other.
Any shot creates invisible dust in target hex some weapons in firers hex to ATGMs are a good example & the lower the visibility the greater effect it has on obscuring vision.
I am sure you have seen this in game several tanks firing at the same infantry unit for example can produce so much dust it becomes visible.

So what probably happened was the act of firing obscured the target both units can no longer see each other because the shell & MGs covered the target in dust & visibility was marginal.