PNV J05393469+5715159 = ZTF21abuzuih: Possible WZ Sge-type object    Large outburst amplitude of 8 mag. The fading rate is 0.15 mag/d. Possible WZ Sge-type object. PNV J05393469+5715159   2021 08 27.8730*  05 39 34.69 +57 15 15.9  13.57C             Cam       R - 2021 08 27.8730 Guoyou Sun (Xingming Observatory), Quanzhi Ye (Department of Astronomy, University of Maryland), Xing Gao (Xingming Observatory), report the discovery of a possible nova (13.57 C) which is 21.923 gmag in Pan-STARRS DR1 catalogue (PS1 objID 176700848943505888). The transient was discovered on several 60-s survey images (limiting mag about 19.0) taken Xing Gao by at Xingming Observatory-KATS, Nanshan (N86) around Aug. 27.87299, 2021 UT using a unfiltered CCD (0.28-m f/2.2 reflector). Images can be found at: http://xjltp.china-vo.org/XMK001.html TOCP: http://www.cbat.eps.harvard.edu/unconf/followups/J05393469+5715159.html Lasair: https://lasair.roe.ac.uk/object/ZTF21abuzuih/ ASASSN: https://asas-sn.osu.edu/sky-patrol/coordinate/d10ec2be-b6d8-4a54-b2da-67712e... IDs: 053934.647 +571515.678 PS1_176700848943505888 g=21.9230(0.1727) r=21.6724(0.0988) i=-(-) z=-(-) y=-(-) 20210819.590 <17.788g ASN 20210822.589 19.422o ATF 20210824.444 13.912zg ZLR 20210825.585 13.973g ASN 20210827.447 14.363zg ZLR 20210827.487 14.386zr ZLR 20210827.581 14.436g ASN 20210827.873 13.57C (Xingming Observatory-KATS)