Giant Sunspot AR4079 Observed in H-Alpha from UAE

This high-resolution image of the Sun, captured in Hydrogen-Alpha wavelength using a 50 mm Lunt solar telescope, highlights several active sunspot regions, most notably AR4079—a large, magnetically complex sunspot group that has recently drawn attention for its sheer size and solar activity.

Spanning tens of thousands of kilometers across, AR4079 has become visible to the naked eye during sunset without optical aid (using proper solar filters or safe projection methods). Its intense magnetic field and structure are capable of producing strong solar flares and coronal mass ejections (CMEs), which can affect Earth’s space weather and communication systems.

Also visible in the image are AR4081 and AR4082, smaller but still active regions that demonstrate the dynamic nature of the current solar cycle (Solar Cycle 25), which continues to trend toward its peak.

The detailed texture of the solar chromosphere, prominences near the limb, and sunspot umbrae and penumbrae are all sharply defined thanks to careful post-processing and the use of narrowband Hydrogen-Alpha filtering.

Telescope: Lunt 50mm Dedicated Hydrogen-Alpha Solar Telescope
Camera: ZWO ASI178MM
Mount: iOptron HAE43 Dual AZ/EQ

Capture Software: FireCapture
Processing Software: AutoStakkert 4, ImPPG, PixInsight, Photoshop