Photographic Data
telescope:
Coronado PST
solar
telescope
objective
lens:
40 mm f/10
achromatic
doublet
aperture: 40
mm at f/10
focal
length: 400
mm
narrow-band
solar
filter:
Etalon
656.28 nm
(Hydrogen-alpha)
with 1 nm
bandwidth
mount:
?
.
imaging camera
ZWO ASI74MM Mini
.
exposure
?
processing:
?
Monochrome video was acquired and
stacked by James Foster at Frazier
Park. Then colorized and
cropped by
Michael
A. Stecker in
Adobe Photoshop Elements
.
photographic site:
Pinion Pines Estates at
Frazier Park California
(Bortle 4 at 5,500 ft elevation)