in Hydrogen Alpha
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PST on robotic Barn Door Mount
Instrument: Coronado PST 40mm
Platform: Bogen Tripod
Camera: Sony P10
Exposure: Auto 0, -2
Location: Scottsdale, Arizona
Elevation: 1000 ft.
Sky: Seeing 7/10, Transparency 8/10
Outside Temperature: 102F
Processing: Photoshop CS
HOME SCHMIDT GALAXIES EMISSION NEBS REFLECTION NEBS COMETS
GLOBULARS OPEN CLUST PLANETARIES LINKS
The sun had
only one tiny spot seen as a small dark pinprick with some lighter
faculae here. Fortunately, the prominences were large and active,
and some filaments were also visible on the disk. I was able
to use a new homebrew camera adapter here for the first time,
allowing no rotation between shots and making stacking a snap.
The granulations clarity is a tribite to this new tool.
disk from green channel, prominences from red channel, and averaged
2 to8 images. Applied midtone curve adjustment in PS, then wavlet
deconvolution, and dynamic background flattening process in Pix
Insight. Combined and colorized disk and prominence image in
Photoshop per accepted standard coloration creteria.