Contains:  Extremely wide field
Getting plate-solving status, please wait...
The Orion Spur, 



    
        

            Chris Beere

The Orion Spur

Technical card


Basic astrometry details

Astrometry.net job: 3313376


Resolution: 3896x5968

Locations: Tivoli Astro Farm, Windhoek, Namibia

Data source: Traveller

Description

The Orion Spur of our galaxy as seen on a summers night from the Kalahari desert deep in the heart of Namibia.

Capture :

Imaged over 2 nights in January 2020 from the Khomas region of Namibia on the Tropic of Capricorn - 23.4 degrees south
SQM 22.07 - Bortle Class 1
Canon 6D MKII modified by Andy Ellis
Sigma Art 14mm @ f/4.0
2 panel mosaic. Each panel is 1 hour of integration. 15 x 4 minutes @ ISO 1600
Tracked on a Fornax LighTrack II

Processing :

This is a reprocess using a new projection for the mosaic to mitigate distortion.

Calibrated in RawTherapee (Flats, defringe, white balance, noise reduction, AMaZE debayer)
Panels registered and integrated in PixInsight
Mosaic assembled in AutoPano 4.4.2 - Spherical projection
Imported back into PixInsight
Dynamic Background Extraction (300 samples)
SCNR Green
Masked Stretch
Histogram Transformation
Extracted Luminance Mask
Curves Transformation -> Saturation
Exported to Photoshop
Manual gradient removal with selective curves
Min filter to reduce starfield
Final levels adjust
Resampled and saved as PNG for web

Comments

Histogram

The Orion Spur, 



    
        

            Chris Beere

In these public groups

Made in Tivoli/Namibia