SDSS J172412.14+241449.6: dwarf nova Active dwarf nova in CRTS data. Range 17.1-20: SDSS colors suggest a short orbital period. 172412.141 +241449.48 (2000.0) Gaia_DR2_4570179042162099072 plx=0.761(0.303) dismod=10.6 pmra=-4.927(0.446) pmdec=-8.107(0.545) G=19.286 BP=19.396 RP=18.900