Mary McIntyre Astronomy#Sun in #HAlpha Sunday 4th June '23 from #Oxfordshire, UK. #CoronadoPST H-alpha solar telescope, 2x Barlow +#ASI120MC camera. North is ~ 10deg clockwise. Several #Prominences visible + #Sunspots #AR13326 #AR13320 #AR13323 #AR13321 & #AR13319 looking lovely. Full details are on my Flickr page if you want to know more #ActiveRegions #SolarAstronomy #SolarAstrophotography
I believe this one is 1.0 Angstrom H-alpha bypass, but you can slightly change which part of the chromosphere you're observing by changing the etalon. It doesn't have any markings on the etalon so I just play with it until I'm seeing the best detail for what I'm trying to capture
PixelStreet 🇺🇦Cool! What wavelengths are that?