Omega Centauri from Central Florida, Spring, 2012

This is the most glorious of the globular clusters! It only reaches to not quite 13 degrees above the horizon from the location this was taken, so it is imaged through about 4.4 airmass values . . . hardly ideal.

On a personal note, being a denizen of the northern hemisphere, I never expected to even see, let alone image, this magnificent southern object. I am very pleased at how well the image turned out considering the cluster's very low altitude and the very short time I had to work with it.

Data
Taking Camera SBIG ST-8300M Chiefland, FL, Mar 25&27,2012 ~mag 6 - no moon @-25C
Imaging OTA Canon EF 180mm f3.5L
Equivalent focal length and ratio 180mm f3.5
Mount Losmandy G11 Gemini 2
Guiding PHD with SSAG and 80mm/f5.0 Guidescope
LRGB L-21X1min, R-7X1min ,G-7X1min ,&B-7X1min all unbinned-Astrodon E Series Filters
Calibration and Stacking Darks and Bias Frames, no Flats - Stacked with PixInsight
Processed PixInsight and Adobe Photoshop CS4.

 

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