SUNSPOT MONITORING – JULY 2, 2019

SUNSPOT MONITORING – JULY 2, 2019

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Here are today’s solar images taken from Al Sadeem Observatory, July 2, 2019.

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

Solar activity remains at very low levels over the past 24 hours. No numbered sunspot regions currently exist in the Sun. The enhanced plage at the southern hemisphere observed yesterday has undergone gradual decay. The latest sunspot number (based on visual count and Wolf number calculation) is 0.  Despite the absence of any sunspot groups, multiple minor plasma ejections through the presence of several stable filaments across the disk, and prominences (mostly small quiescent ones with a huge eruptive one at the northwestern limb) and scattered plages across the Sun’s disk were distinctively captured in H-alpha imagery.

Space weather agencies* forecast solar activity to remain at very low levels with chances of weak X-ray fluxes or flares ranging up to B-class intensity. 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 and Lunt H-alpha solar telescope and ZWO120MM CMOS camera for H-alpha imagery, mounted on Skywatcher EQ6 Pro. 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.

*Technical reports courtesy of Solar Influence Data Center (SIDC), NOAA-Space Weather Prediction Center (NOAA-SWPC)

Weather Data (5:50 PM – 6:05 PM, July 2, 2019):

Average Temperature: 38.6°C

Average Humidity: 33%

Average Wind Speed and Direction: 25.75 kph from NW

Average Cloud Cover: 0%

Average Air Pressure: 986.15 hpa

Average Solar Radiation: 128.13 W/m^2

Average UV Radiation: 45 µW/m^2 (low)

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