By Soumyadeep Mukherjee | 2021-12-18
Order by: Trending (past 30 days)Date
![Community photo entitled by Michael Teoh on 12/29/2021 at Penang, Malaysia](https://earthsky.org/upl/gravity_forms/6-d184048789a60d766a02a8e43117298b/2021/12/AR2916_HEO-copy.jpg)
On 12/29/2021 by Michael Teoh| Penang, Malaysia
A 6-day streak of clear sky came to an end today. This is probably my longest solar imaging streak that I can remember. Here is a compilation of the development of the sunspot groups in the active region AR2916 over the last five days between Dec 25 and Dec 29.
APM-TMB 228/2050 Telescope
Lunt Solar Wedge
Baader ND filter OD 3.0
Baader Solar Continuum 540nm filter
TeleVue 3x Barlow
QHY5L-II-M Camera
Stacked with AutoStakkkert!3
Wavelet adjustment with Registax 6
Enhancement and false color with Photoshop 2020