Which groundbreaking telescope feature did Celestron introduce in 2014 in direct response to customer feedback from amateur astronomers?

In the competitive world of astronomy equipment, customer feedback and innovation are critical for success. This trivia question focuses on how one of the leading telescope manufacturers revolutionized the industry by directly responding to amateur astronomer feedback. Understanding how astronomy product companies evolve based on customer input reveals the fascinating intersection between consumer demands and scientific advancement in the retail astronomy sector.

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StarSense AutoAlign technology that automatically aligns the telescope using plate-solving algorithms
NexStar+ hand controller with built-in astronomical database
EdgeHD optical design for flat-field, coma-free imaging
SkyPortal smartphone control app for telescope operation