Sunspots in Calcium
Taken by Michael Karrer on May 14, 2021 @
Austria
Click photo for larger image
| |
Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
Aperture: Unavailable
ISO: Unavailable
Date Taken: 2021:05:14 16:34:17
|
|
| More images
Details:
Little, but nice activity, captured between clouds. It was a test of different aperture. The filter works defenitely better with f-ratio of 8 and above. 50mm gives still enough detail for a full disk sun.
Image downsized to 70%.
Photographer's website:
https://www.flickr.com/photos/michael_karrer
|
|
|
