E-corona - 2026-05-02 - My 5th attempt

Alfred_SG 2026-05-02 01:44 Fe I 4 0 0
Notes

My 5th attempts at e-corona. Failed to get any signals previously. My guess was poor seeing condition. Today (2May26), working on 30 only recordings, I can see some faint signs of the corona at about 2 o'clock position. Settings: Gain was set to lowest 100 and Exposure 5ms. Forced polynomial detected Fe1. Masked Images range from clear to noisy background reflecting the seeing conditions. Unfortunately I only managed to record 30 SER files before the clouds came. I would appreciate it if you can let me know if I am on the right path. I hope to record at least 200 SER files when the sky cooperate.

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Equipment
Spectroheliograph MLAstro SHG 700
Telescope Pentax Pentax
Focal Length 500 mm
Aperture 75 mm
Camera MLAstro G3M678M
Pixel Size 2.0 µm
Binning 1x
Mount HAE29 HAE29
Software JSol'Ex 5.1.0