NSV 3506: EA star with deep eclipses Moriyama-san noted a deep fading of this object. ASAS-SN data: https://asas-sn.osu.edu/sky-patrol/coordinate/7cad1a29-91bc-4de8-adc8-f13aacccbac1 I obtained a period of 6.983378(3) d. The eclipses are 2.6 mag deep and total. Secondary eclipses are also visible.