V542 Cygni (UGSS) https://www.aavso.org/vsx/index.php?view=detail.top&oid=11462
Gaia (Photometric) Science Alerts data: http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia21del/ CYGV542 20220205.9697 16.37G Gaia CYGV542 20220206.1459 16.11G Gaia
Recent ASAS-SN Sky Patrol light curve and data: https://asas-sn.osu.edu/sky-patrol/coordinate/49e4e355-0116-4cf1-a2ea-2e3bd5... CYGV542 20211223.0598 <17.16g ASN CYGV542 20220210.5318 13.62g ASN CYGV542 20220210.5330 13.70g ASN CYGV542 20220210.5343 13.70g ASN CYGV542 20220215.6619 14.50g ASN CYGV542 20220215.6632 14.43g ASN CYGV542 20220215.6644 14.76g ASN
ZTF light curve, data, and images (via Lasair): https://lasair.roe.ac.uk/object/ZTF18abcnbki/
The current outburst began on 2022 February 5. The previous outburst occurred from 2021 July 6 to 19.
Clear skies, Patrick ------- References: All-Sky Automated Survey for Supernovae (ASAS-SN) Sky Patrol: - Shappee et al., 2014ApJ...788...48S - Kochanek et al., 2017PASP..129j4502K Asteroid Terrestrial-impact Last Alert System (ATLAS): - Tonry et al., 2018PASP..130f4505T - Heinze et al., 2018AJ....156..241H Lasair: - Smith et al., 2019RNAAS...3...26S Zwicky Transient Facility (ZTF): - Masci et al., 2019PASP..131a8003M