Sunspot AR4566

On 11/09/2026 11:57 am by Michael Teoh | Website | Heng Ee Observatory, Penang, Malaysia

After weeks of relatively inactivity, the Sun came into life these past few days with the emergence of the fast growing and active region AR4566.

APM-TMB 228/2050 Telescope
Lunt Solar Wedge
Baader Solar Continuum filter 540nm
GSO 2x Barlow
QHY5III678M Camera

1000 frames stacked with AutoStakkkert!4
Wavelet sharpening with RegiStax 6
Enhancement and false color with Photoshop 202