BH Lyn getting very faint

YYYYMMDD(UT) mag observer 20230107.3225 16.367zr (ZTF Alert DC mag (Masci+ 2019)) 20230107.4738 17.205zg (ZTF Alert DC mag (Masci+ 2019)) 20230115.4270 17.160o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230115.4288 17.152o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230115.4324 17.061o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230115.4563 17.811o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230119.4835 17.417o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230119.4871 17.481o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230119.4930 17.680o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230119.5085 17.659o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230123.4634 16.953o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230123.4666 16.701o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230123.5182 17.475o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230123.5237 17.446o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230125.2797 17.226zg (ZTF Alert DC mag (Masci+ 2019)) 20230125.3205 16.810zr (ZTF Alert DC mag (Masci+ 2019)) 20230127.2998 17.323zr (ZTF Alert DC mag (Masci+ 2019)) 20230202.4453 16.765zg (ZTF Alert DC mag (Masci+ 2019)) 20230205.2606 17.453zg (ZTF Alert DC mag (Masci+ 2019)) 20230205.3478 17.042zr (ZTF Alert DC mag (Masci+ 2019)) 20230208.1138 17.064zg (ZTF Alert DC mag (Masci+ 2019)) 20230208.1748 16.854zr (ZTF Alert DC mag (Masci+ 2019)) 20230210.2270 16.770zr (ZTF Alert DC mag (Masci+ 2019)) 20230210.2642 17.239zg (ZTF Alert DC mag (Masci+ 2019)) 20230211.8002 172:C (Masayuki Moriyama) 20230217.2289 15.517zr (ZTF Alert DC mag (Masci+ 2019)) 20230217.2594 15.634zg (ZTF Alert DC mag (Masci+ 2019)) 20230219.2439 17.181zr (ZTF Alert DC mag (Masci+ 2019)) 20230219.3257 15.824zg (ZTF Alert DC mag (Masci+ 2019)) 20230310.2409 17.282zr (ZTF Alert DC mag (Masci+ 2019)) 20230310.3046 15.330zg (ZTF Alert DC mag (Masci+ 2019)) 20230312.3433 19.238o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230312.3466 18.942o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230312.3521 19.070o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230312.3620 18.978o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230314.2011 16.941zg (ZTF Alert DC mag (Masci+ 2019)) 20230316.3833 19.003o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230316.3864 19.018o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230316.3935 18.743o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230316.4033 18.910o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230318.1738 17.405zr (ZTF Alert DC mag (Masci+ 2019)) 20230328.3239 19.053o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230329.5961 <169C (Masayuki Moriyama) 20230410.3305 19.228o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230410.3342 19.087o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230410.3413 18.945o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230410.3565 18.860o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505))