Man that star has a crazy spin!!!!
BTW, yesterday night i was jumping here and there, and i always throttle 0. One landing on an M class turned out bad. Not only the throttle was reset to full speed after an unusual long jump, but the ship accelerated faster and entry point was too close. I was able to manuever up and shot past the star without taking heat dmg or being forced out of supercruise. But it was reflexes + luck + brown throusers.
The system had a single M star with few icy planets, nothing fancy.
So i don't know if your bad landing has to do with the very cloe BH, or is glitch/lag whatever, in my case it had to do with lag/glitch, becouse the system had nothing unusual, and even if i forgot to throttle 0 (wich i doubt) the ship accelerated superfast, going in to the 2C speed immediatly, and in fact in a matter of 3 second i completly overshoot the star by few Ls.
So basically don't take any jump easy, always stay alert with your hand on the manuevering stick.
