Sun in HAlpha
With Lunt LS100THa
For Saturday, May 17th, 2014
Images below are 800 wide and non clickable
two to three times per year does the seeing get as good as 3/5
here in Payson. For the lucky few of you that live in places
where fine seeing is the norm, I envy you! For us, at the bottom
of a 2000 foot escarpment known as the Colorado Plateau, our
mountainous terrain prohibits such quality on a frequent basis.
Today however, the sky was clear at sunrise, and seeing was steady
as it has been for over six months. I trusted my Lunt LS100 hydrogen
alpha instrument to this task. Below are some of the images taken
this morning, about 2h after sunup and lasting only an hour or
Instruments: Lunt LS100THa Halpha
Platform: Astrophysics 1200
Camera: DMK 51 (1600 x 1200)
Location: Payson, Arizona
Elevation: 5150 ft.
Sky: Seeing 6/10, Transparency 6/10
Outside Temperature: 45F
Processing: Registax 6, Photoshop CS2
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disk with the Antares .5x focal reducer and DMK51 camera:
now show you this same full disk, but with the disk blocked out
so you can see the dim prominences around the edges.
if I take the focal reducer out, and take two prime focus shots
which cover half the disk and piece them together, you get this
higher resolution image:
set is with the Klee 3x barlow and are high resolution close
ups of the disks features:
along the limb of the Sun, we zoom in for the very fine details
in the prominences:
here is an attempt at one active region on the disk with the
5x televue powermate. A bit too much magnification?
it for today, another adventure in shooting our star the Sun.