Pascal Hilkens Astro Page
Personal blog to promote (solar) astronomy and other related sciences.
Pascal Hilkens Astro Home Page
Pascal Hilkens Astro Home Page
WHO AM I?
Usefull Links
Solargraphy
Helios Astronomy Club
Friday, June 26, 2026
Sunspot AR4478
Sunspot AR4478 (size 650MH) captured using my TAL200K f/8.5 and barlow x2.
Use of ND3.8 filter, OIII and IR/UV filter.
Software: SharpCap, AstroSurface and CS4
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