

Messier 13 (Hercules Globular Cluster)
Uploaded by
EPinNC
, Aug 16 2021 02:08 PM
- Owner: EPinNC (View all images and albums)
- Uploaded: Aug 16 2021 02:08 PM
- Views: 345
- Album: Tracked Telescope and Camera/Lens Images

Acquisition:
Bortle 6-7 skies
Nikon D7000 camera
Orion Apex 102mm telescope, 1300mm focal length
Orion AstroView EQ3 with single-axis drive
30s x 53 frames
f/12.7
ISO 1600
Processing:
Siril:
Background color calibration
Background extraction
Histogram auto-stretch
Histogram midpoint adjustment
Deconvolution
GIMP:
Chroma and luminance denoising (G'MIC-Qt plugin)
Color levels and saturation adjustments