M2 - Globular Cluster in Aquarius
Imaged from Nova Scotia, Summer, 2017
LRGB Combination
| Data | |
|---|---|
| Altitude at culmination 45° | |
| Minimum Airmass Value (sec z) 1.4 | |
| Mean FWHM 3.0 arc-s | |
| Taking Camera SBIG STL-11002XM | Nova Scotia Summer 2017, ~mag 6.4 - no moon @-20C |
| Imaging OTA | AGO 14.5" iDK |
| Equivalent focal length and ratio | 2465mm @ f/6.7 |
| Mount | Astro-Physics 1600GTO |
| Guiding | PHD2/ONAG/Lodestar X-2 |
| LRGB Total Integration Time 10hrs | R12x10 min, G12x10 min, B12x10 min, Lum-24x10min,Astrodon Gen 2 I series Filters. All Binned 1X1 | Acquisition | Main Sequence Software-Sequence Generator Pro | Calibration and Stacking | Darks, Flats and Bias - Stacked and calibrated with PixInsight |
| Processed | PixInsight, Adobe Photoshop CS4 and Bob Franke's CCDBand-Aid |
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