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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.

License Notice

Unless otherwise noted, all photographs on this website are licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) License.

CC BY 4.0 Attribution Required Commercial Use OK

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© 2026 Alessio Rubicini. Some rights reserved.

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