Contains:  Solar system body or event
Sun H-alpha, active region, 20042022. Intes 180mm, BartM

Sun H-alpha, active region, 20042022. Intes 180mm

Sun H-alpha, active region, 20042022. Intes 180mm, BartM

Sun H-alpha, active region, 20042022. Intes 180mm

Equipment

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Acquisition details

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Description

Doublestacked the SolarSpectrum with a PST etalon (naked, so without the front and backlens). No filters between SolarSpectrum and PST etalon. 

Settings of FireCapture:
Start=091454.198
Duration=30.001s
Frames captured=4703
File type=AVI
Binning=1x1
Bit depth=8bit
ROI=1920x1200
FPS (avg.)=156
Shutter=6.341ms
Gain=1615 (53%)
Brightness=5
Mode7=off
Histogramm(min)=58
Histogramm(max)=195
Histogramm=76%
Noise(avg.deviation)=2.96

Lightly processed in Photoshop: three times unsharp mask, levels, curves.

Comments

Histogram

Sun H-alpha, active region, 20042022. Intes 180mm, BartM