M28 Globular Cluster in Sagittarius

M28 Globular Cluster
M28 Globular Cluster

M28 Globular Cluster in Sagittarius. 2x Drizzle processing in IRIS.

Imaging telescopes or lenses: Meade SN8
Imaging cameras: Canon EOS 350D / Digital Rebel XT
Mounts: Orion Atlas EQ-G
Guiding telescopes or lenses: Celestron 102mm F/5 Achromat
Guiding cameras: Meade DSI I Pro
Software: IrisPatrick Chevalley’s Cartes du Ciel PHD guidingNoel Carboni’s Astro Tools for PhotoShop GradientXterminator
Filters: Hutech IDAS-LPS-FF
Resolution: 1600×1200
Dates: Aug. 11, 2007
Locations: Maurice Louisiana
Frames: 22×120″ ISO1600
Integration: 0.7 hours
Darks: ~15
Flats: ~10
Bias: ~40
Avg. Moon age: 27.55 days
Avg. Moon phase: 4.37%
Bortle Dark-Sky Scale: 4.00

Images of Comets, Nebulae, Galaxies and Star Clusters