Here are today’s solar images taken from Al Sadeem Observatory, May 29, 2021.

The sky was mostly clear with moderate to fresh breeze which provided good transparency but average seeing at the time these images were taken. 

Though a slight shrinkage in its leader spots’ structure was observed, the departing AR2824 (Modified Zurich/Mcintosh sunspot configuration: Dso/beta) continues to produce multiple C-class solar flares over the past 24 hours. The strongest was a long duration C9.4-class solar flare accompanying by a weak non-Earth directed CME that occurred in the early morning hours of May 29, 2021. The effects of these flares and CME on geomagnetic activity for any significant radio disturbances shall be minor as per current space weather agency analyses made earlier this day. AR2826 is now behind the NW limb, away from Earth-view, but still crackling with minor B-class to C-class solar flares as well. The latest sunspot number (based on visual count and Wolf number calculation) is 24. Meanwhile, a new bipolar sunspot group is seen emerging near the NE limb (encircled; to be designated as AR2827 in the next few hours).

Enhanced plages associated with the upper-mentioned sunspot groups, few faint small quiescent prominences at the limbs, as well as few short stable ones mostly along the extreme southern hemisphere, were the other noteworthy solar features distinctively captured in H-alpha imagery.

Space weather agencies* forecast solar activity to be at low levels (though declining) with chances of solar flares of mostly B-class to C-class intensity, in the next few days, as AR2824 approaches the NW limb. Close monitoring is being conducted by numerous space weather agencies for any significant development.

Equipment used are Skywatcher 120mm refractor telescope with Baader filter and unmodified Canon EOS 1D Mark IV DSLR camera for visible imagery. For H-alpha imagery, the equipment used are Lunt 60mm H-alpha solar telescope, and QHYCCD 290III mono camera; all mounted on Skywatcher EQ6 pro mount Pre-processing of visible solar images was performed in PIPP, stacking in Autostakkert, slight wavelet adjustments in Registax 6, and post-processing in Adobe Photoshop CC.


Weather Data (5:20 PM – 5:40 PM, May 29, 2021, from NCM Al Wathba Station):

Average Temperature: 40.03°C

Average Humidity: 17.0%

Average Wind Speed and Direction: 24.5 kph from NNW

Average Cloud Cover: 0%

Average Air Pressure: 992.4 hPa

Average Solar Radiation: 219.0 W/m^2