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M4 Globular Cluster, 





    
        

            Jeff Kraehnke

M4 Globular Cluster

Technical card

Resolution: 3362x2680

Dates:July 2, 2018

Frames:
Astrodon Blue Tru-Balance E-Series Gen 2: 5x60" -15C bin 1x1
Astrodon Green Tru-Balance E-Series Gen 2: 5x60" bin 1x1
Astrodon Luminance Tru-Balance E-Series Gen 2: 10x60" -15C bin 1x1
Astrodon Red Tru-Balance E-series Gen 2: 5x60" -15C bin 1x1

Integration: 0.4 hours

Darks: ~21

Flats: ~10

Bias: ~40

Avg. Moon age: 18.61 days

Avg. Moon phase: 84.20%

Bortle Dark-Sky Scale: 7.00

Mean SQM: 18.92

Astrometry.net job: 2133151

Locations: Home, Milwaukee, WI, United States

Data source: Unknown

Description

Stellarvue SVA130T f/5
CGEM DX
QSI690 w/ Astrodon LRGB filters
SGP, PHD2, PixInsight, Photoshop

L: 10x1min
RGB: 5x1min each

Comments

Author

kranky22
Jeff Kraehnke
License: None (All rights reserved)
530
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Histogram

M4 Globular Cluster, 





    
        

            Jeff Kraehnke

In these public groups

Milwaukee Astronomical Society