2021 September 20 Sun (circa 21:00 UTC)- with AR12781 and possible AR12872, AR12783, AR12784 and AR12785.

[PTS]

2021 September 20 Sun (circa 21:00 UTC)- with AR12781 and possible AR12872, AR12783, AR12784 and AR12785.

AR12871 is located at (S28E50). 5 sunspots are visible.
The compact AR near the E limb, at (N16E45) become very active overnight, and at least 7 sunspots are visible amid faculae. This may become AR12872.
Further north, a compact AR, located at (N26W04), continues to be very active with at least 7 sunspots. This may become AR12873.
2 more active regions show up in the past 6 hours:
An active region appear at (S25E03) and comes with 4 sunspots. This may become AR12784.
Further west, a small AR appear at (S26W21) with 1 sunspot. This may become AR12785.

Sunspot count: group=5, sunspot=24, R=74

H-alpha image from Big Bear, taken at 22:22 UTC
White-light image from SDO, taken at 21:09 UTC