Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
EarthSky Community Photos
Submit your photo here. Comment or upvote on photo pages. Search via photographers' names. More improvements coming! To help, please donate.
David Hoskin
Halifax, Nova Scotia, Canada
Halifax, Nova Scotia, Canada
04/19/2024
11:30 am
11:30 am
Celestron 102XLT refractor, APM Herschel wedge, ZWO ASI290MM with Player-One photosphere filter, SkyWatcher EQ6R Pro mount.
Best 250 out of 1000 frames were stacked with Autostakkert, wavelets with Registax, additional post-processing with Photoshop and Photoscape X.
This filtered image shows (from left to right) sunspot groups AR3646, AR3647, AR3645, AR3638, and AR3637. According to Spaceweather.com AR3645 has already unleashed M-class solar flares and may soon unleash a more powerful X-class solar flare.
Subscribe now! A daily update with Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
