Globular star cluster (M13) by Igor Chekalin
Igor Chekalin

Globular star cluster (M13) by

Messier 13
Globular cluster in Hercules constellation.

HDR-composition used to reveal brightest center details and faint periphery simultaneously.

Two imaging series hdr-composed:
14 frames by 10min. @ iso800
14 frames by 2min. @ iso200

Canon 350D(mod), 180:720 Newton telescope/astrograph (self made).
EQ6PRO equatorial mount. Auto-guider (75mm refractor telescope + QHY6 CCD + laptop)

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Tags

hercules, brilliance, constellation, cosmos, celestial, supernova, milky, nova, clouds, astrophotography, infinity, outer, night, core, black, blackhole, sky, galactic, super, globular, deep, ngc, spiral, messier, hole, astrophoto, space, glubular, star, m106, glow, cluster, galaxy, universe, over, creation, gas, astronomy, shimmer, giant, telescope, hdr