Apparent Outburst of Comet 285P/LINEAR

We report on an apparent outburst of comet 285P/LINEAR, previously announced in CBET #5155. Zwicky Transient Facility (ZTF; Bellm et al. 2019, PASP, 131, a8002) data measured in the r-band (5" radius aperture, PS1 photometric system) was 20.02 & plusmn;0.26 mag at 2022 Jul 30.26 UTC. The comet brightened to r=15.94 & plusmn;0.02 mag by the next detection at Aug 03.27 UTC, resulting in an apparent outburst strength of -4.1 & plusmn;0.3 mag in our photometric aperture.