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Arcturus

Behind the shot

A detailed portrait of Arcturus, the golden guardian of the spring sky and the brightest star in the northern celestial hemisphere.

Observation

Date: 08 Apr 2026
Time: 21:10 - 21:30 CEST
Site: Porto San Giorgio, Marche, Italy
Bortle: Class 6

Bortle Class 6

Bright Suburban Sky
Azimuth: +84° 41′ 00.0″
Altitude: +22° 32′ 27.2″

Atmospherics

Visibility: Good
Weather: Stable, suburban sky
Moon: 62% Waning Gibbous

Acquisition

Camera: Panasonic Lumix G7
Lens: LUMIX G VARIO 14-42mm f/3.5-5.6
Mount: Static Tripod (Untracked)
Integration: 60 x 5s

Optics

Focal Length: 42mm
Aperture: f/5.6
ISO: ISO 3200

Post-Processing

Software: SiriL + darktable
Pre-Processing: Master-frame subtraction, strict FWHM star filtering, RBF Background extraction.
Post-Processing: Wavelet-based profiled denoise, Local Laplacian contrast, golden star temperature balancing, black level fine-tuning.