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Sun in H-alpha

This image is a mosaic of 2 panels showing the Sun on 01/04/2022 with active regions called sun spots. We are now in solar cycle 25. Sun cycle happening every 11 years. In the solar cycle, Sun become very active and show dark spots called sun spots. These spots are cooler than the solar surface due to powerful magnetic field. In the picture, there are 4 main regions, a AR 2975, 2976, 2978 and 3981. Gear setup: Coronado PST double stack 0.5Å, TV 2.5x, ZWO 174MM, iOptron GEM 45. Captured by Sharpcap pro, stitched in Microsoft CIE, PIPP, stcked in Autostakkart!, wavelets by Registax and processed in PS.

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Uploaded on April 13, 2022