Bright vs dark flocculi on solar surface
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Flocculi are those mottled, cloud-like patches you see best in H-alpha or Ca II K light — they’re magnetic field regions showing up in the chromosphere. But the “bright vs…
Solar
Carrington-type events but in the context of other stars, not just the Sun.
Carrington-type events but in the context of other stars, not just the Sun. 🌟 What a “Carrington Event” Is 🌠 “Carrington-Type” Events on Other Stars Begun to identify stellar superflares…
How bad would solar flare need to be to fatally fail Parker solar probe?
How bad would solar flare need to be to fatally fail Parker solar probe? Short answer: it would take an utterly extreme solar‐energetic‐particle (SEP) event—well beyond anything seen in the…
Detection of X-class flare at LRO 03/10/2024@1218
Using UKRAA SID Monitor at 23.4 KHz.
Results of solar photography session at LRO 17/9/2024
Sky Watcher Equinox Pro 100mm OTA HEQ5 Pro mount Daystar Quark hydrogen chromosphere filter 174MM camera (not cooled) Daystar interference eliminator ImPPG/Photoshop software Andy First 2 images are versions 1…
Use of an unusual complex tone curve in ImPPG to obtain excellent solar photo from my data 22/9/2024
I used the tone curve below on data from 17/9/2024 – worked well to produce nice inverted curve! Andy
Convenient and helpful device to improve focus of camera tube on Sol’Ex spectrohelioscope
3D-printed Bahnitov mask designed for 30mm guide scopes – purchased from ebay for £6.
Successful first light for aluminium Sol’Ex at LRO 4/7/2024!
A short period of sunshine early this morning allowed me to try my Sol’Ex again, this time scanning in correct direction! Wow! INTI produced pictures that look like the Sun!…