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gallery
Deep sky
Galaxy
Nebula
Nebula(austral sky)
Planetary nebula
Globular cluster
Solar system
Planet
Comet
Moon
equipment
Home observatory
Observation equipment
Capturing equipment
Mount
Tutorial
Spectroheliograph
Contact
Search
boreal sky image
Astrophotography by Philippe Gilberton
M3 globular cluster
M13 Hercules globular cluster
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Welcome to my globular cluster gallery!
M3 – 19th of may 2020
Celestron Celestar XLT 8″ + focal reducer 0.63, f/d = 6.3
Filters: LRGB
Camera: ZWO ASI1600MMPro
L: 7200 x 0.5s, gain 600, image size 1920 x 1920 (lucky imaging)
RGB: 63 x 37s
M3 wide view
M13 – 30th of may 2020
Celestron Celestar XLT 8″ + focal reducer 0.63, f/d = 6.3
Filters: LRGB
Camera: ZWO ASI1600MMPro
L: 7500 x 0.75s, gain 350, image size 1920 x 1920 (lucky imaging)
RGB: 126 x 37s
M13 wide view
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boreal sky image