start with the white light images, taken with the six inch AR152
at prime focus. A Baader Continuum filter + UV/IR blocker was
used with the DMK51 camera for these images. The prominent spot
group seen here is AR1560, a very active region that is evolving
rapidly in appearance.
we inserted the 2.5x Televue Powermate Barlow. This brings up
the white light granulation quite a bit, and we can now zoom
in on the individual spot groups. On the Eastern Limb we find
AR1564, a very active region with tons of tiny spots:
we look at the big spot chain, AR1560.
for the 5x Barlow for a maximum view. The aperture is only 4
inches here, since the seeing will not always allow a full six
the West limb we find the departing group AR1553:
on the east limb has many tiny pores inside, which are sunspots
with no penumbra on their outside.
of course the star of the show this weekend, AR1560:
lets show some hydrogen alpha images taken with the Lunt 100.
Prime focus shows the entire disk at once.
for a few 2.5x close ups of some of the active regions. The center
of the disk is AR1560:
the eastern limb, we can see the action. Much more to see in
western limb is also full of activity:
by overexposing the limb, we can see the prominences, sheets
of plasma extending beyond the limb of the sun. I have blacked
out the greatly overexposed disk of the sun as to not be a distraction:
thats it for this weekend. Hope you enjoyed our Sun!