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Protubérances

Protubérances

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Observer
Cédric Champeau
@melix
Observation View session
Date 2026-04-13 13:16
Spectral Line H-alpha (6562.81 A)
Equipment
Spectroheliograph MLAstro SHG 700
Telescope TS-Optics PhotolineAP80
Focal Length 560 mm
Aperture 80 mm
Camera MLAstro G3M678M
Pixel Size 2.0 µm
Binning 1x
Mount MLAstro SAL-33
ERF
Software JSol'Ex 5.1.1
Image Info
Dimensions 3122 x 3122 px
Type IMAGE_MATH_PROMINENCES
File Size 210.8 KB
Content Type image/jpeg
Uploaded 2026-04-13 13:59
Tags
#h-alpha #stack
Image Metadata
Wavelength 6.562.81 Å
Spectral Disp. 0.091 Å/px
Parameter Intensity
Pixel Shift 0.00
Carrington Rot. 2309
B0 Angle -5.75°
L0 (Carr. Long.) 24.94°
P Angle -26.09°
P Corrected No
Disk Center 1561, 1561 px
Solar Radius 1304 px
Spectro ID SHG700
Grating 2400 gr/mm
Grating Order 1
SHG Angle 34.00°
Slit Width 7 µm
Slit Height 7.00 mm
Collimator FL 72.0 mm
Camera FL 72.0 mm
Location

46.9, -1.7 (approx.)