Yeah. That reading was at top off volume of 5 gallons. I steeped the grain bag a little longer as well, so maybe thats got something to do with it. I'm fine with stronger, if it tastes ok. Overall a fun day.
1.082 in 5 gallons, huh?
Let's see how it all worked out.
Your 9.9# of LME should yield 9.9 x 36 pts/pound = 356 points.
2 pounds of Vienna,
mashed at 85% efficiency, yields 2 x 30 = 60 pts. However, steeped in 2-3 gallons of water gets you close to nothing, it's all starch that only mashing will convert to sugar. If it was in a grain bag, and you didn't dunk/agitate/rinse it every few minutes, it may have mashed (unintentionally), which is good! Yield 0-60 points. Let's use 30.
8 oz C10 ==> .5 x 14 pts/pound = 7 pts
6 oz CaraMalt, similar to C15 ==> .375 x 14 pts/pound = 5.3 pts
If mashed, about 2x as much sugar can be extracted from light crystal/cara malts compared to steeping.
So total is 356 + 30 + 12 = 398 points
In 5 gallons* that is 398/5 = 79.6 points. Gravity = 1.080. Close to your measured 1.082!
* 5 gallons here means you had no sugar losses from splashing, boilovers, leftover wort in the kettle, etc. IOW, you dumped all the boiled wort, hops and trub into your fermentor, then topped up to 5 gallons exactly and mixed it well before taking your gravity reading.
Well done!
Look into mashing, what it is, how it is different from steeping, and why and how it's done. Mini mashes can be very rewarding! The wonky "kit" instructions should have pointed you in that direction when including 2 pounds of Vienna and 14 oz of light crystal malts. That's 3 pounds of grain that makes a considerable contribution to the recipe!