ASASSN-20pv (AM CVn star) https://www.aavso.org/vsx/index.php?view=detail.top&oid=2214355
The first rebrightening occurred on 2022 February 1 according to recent ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S and Kochanek et al. 2017PASP..129j4502K) data: https://asas-sn.osu.edu/sky-patrol/coordinate/32baa15b-8d85-4513-9c6a-1f51dd...
The second rebrightening (mv= 14.4) was detected by Rod Stubbings on February 4.519 UT (vsnet-outburst 28303).
Time-resolved photometry is still encouraged.
Clear skies, Patrick ---------- T. Kato wrote on Tuesday, 25 January 2022 at 03:24:48 UTC:
Observations on Jan 20 showed a transition to the early modulation with 'growing' superhumps of still small amplitude and a hint of a 0.0095d alt. 0.019d period around a mean magnitude of 12.49CR.
Ordinary superhumps, yes. The amplitudes were too small to be directly visible in Hambsch's data.