AB Normae (UGSU)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=20016

Yes, there was indeed no outburst around 2022 March 11.3 UT.
A normal outburst had been recorded on March 4-5 UT.

Recent ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S
and Kochanek et al. 2017PASP..129j4502K) light curve and data:
https://asas-sn.osu.edu/sky-patrol/coordinate/e81623c1-241a-4883-9f33-ae8671765e39
NORAB 20220311.2751 <16.78g ASN

Regards,
Patrick
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Josch Hambsch wrote on Sunday, 13 March 2022 at 12:29:48 UTC:

Indeed, I observed it last night under partly clouded skies and measured
it at around mag. 18.5.

Data are with the AAVSO database.

Regards,

Josch Hambsch

On 13.03.2022 00:05, 舟田 雅夫 wrote:
> The brightening of AB Nor that I observed and reported yesterday,
> I took a picture again today and checked it again.
> Observing the adjacent comparative star (137) itself I understand.
> I checked yesterday's shooting data again, but the result was the same.
>
> I'm sorry for making a noise.
>
> The object to be observed for the first time is trying to shoot for two
> consecutive nights as much as possible,
> I am trying to reduce false alarms, but it is not 100%,
> I apologize for the inconvenience.