By SALLY OTTOSON | 2021-12-17
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![Community photo entitled by Michael Teoh on 12/26/2021 at Penang, Malaysia](https://earthsky.org/upl/gravity_forms/6-d184048789a60d766a02a8e43117298b/2021/12/AR2916_20211226_0444_W3x.jpg)
On 12/26/2021 12:44 pm by Michael Teoh| Penang, Malaysia
The left and middle sunspot groups in AR2916 continue to grow.
APM-TMB 228/2050 Telescope
Lunt Solar Wedge
Baader ND filter OD 3.0
Baader Solar Continuum 540nm
3x Barlow
QHY5L-II-M Camera
Stacked with AutoStakkkert!3
Wavelet adjustment with Registax 6
Enhancement and false color with Photoshop 2020
3 Pane Mosaic