Object - NGC5139 - Omega Centaurus Globular Cluster
Date - 24 Feb 2007
Location - Sao Paulo, SP - Brazil
Image - 30 min (3 x 10 min Ha, guided)
Telescope - Orion 80ED with 0.63 focal reducer ~ 410 mm focal lenght
Camera - Starlight Xpress SXV-M7
Filter - Astronomik H-alpha 13 nm
Guider - Orion ST80 + SXV guider
Mount - Orion Sirius EQ-G + Boxdoerfer MTS-3SDI
Software - Acquired and processed with MaximDL
Processing - Filter - Hot Pixel; SD mask combine; curve stretch; Unsharp Mask.

Photo took from inside Sao Paulo, SP - BR under mag 3 sky. Seeing conditions where regular+