Contains:  Solar system body or event
The Sun in H-alpha light (6562.5 Å), 25 august 2023. AR3413 and AR3415, Simone Tranquilli

The Sun in H-alpha light (6562.5 Å), 25 august 2023. AR3413 and AR3415

The Sun in H-alpha light (6562.5 Å), 25 august 2023. AR3413 and AR3415, Simone Tranquilli

The Sun in H-alpha light (6562.5 Å), 25 august 2023. AR3413 and AR3415

Equipment

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Acquisition details

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Description

Stack of the best 250 frames out of 500.

Telescope: TS-Optics Photoline 102mm f/7 apochromatic refractor.

Mount: Sky-Watcher HEQ5 Synscan

Camera: ZWO ASI585MC
exposure 2.5 ms
gain 295 (49%)
camera sensor temperature 53.8 ºC

Filters:
- DayStar Combo Quark Chromosphere
- Player One S-Series ERF 1.25"

Accessories: Lacerta 3x Tele Extender Barlow lens

Software:
- Firecapture 2.7 (acquisition)
- Siril 1.2.0 (conversion from FITS to SER format)
- Planetary System Stacker 0.9.3 (debayer, alignment and stacking )
- PixInsight 1.8.9-2 (post processing)

Operating system: Debian GNU/Linux 12 "Bookworm"

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