telescopy vs artistry

telescopy and artistry both are nouns.

Word	Noun	Adjective	Verb	Adverb
telescopy	Yes	No	No	No
artistry	Yes	No	No	No

As nouns, artistry is a hypernym of telescopy; that is, artistry is a word with a broader meaning than telescopy:

telescopy: the art of making and using telescopes
artistry: a superior skill that you can learn by study and practice and observation

Other hypernyms of telescopy include art, prowess.

telescopy (noun)	artistry (noun)
the art of making and using telescopes	a superior skill that you can learn by study and practice and observation