Sun
September 6,
2012
Surface detail, SolarMaxII 90mm, double stacked, BF15 blocking
filter, on AP155 EDF, 2945mm focal length, Flea-3, Firecapture.
AutoStakkert!2, RegiStax6, Photoshop CS6. Prominence images
single stacked, 1178mm focal length. Click thumbnail on right for
comparison of single vs. doublestacked etalons. Earth to scale in
images below.