NGC6820/6823 in Cygnus
Imaged from Nova Scotia, Summer, 2016
Wikipedia Link for NGC 6820/23
HaRGB Combination Image
Data
Altitude at culmination 58°
Minimum Airmass Value (sec z) 1.2
Mean FWHM 2.9 arc-s
Taking Camera SBIG STL-11002XM
Nova Scotia Summer 2016, ~mag 6.4 - @-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
HaRGB Total integration time 16hr30min
Ha 15X30min - Astrodon 5nm Ha Filter, RGB 18X10min each 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
Reprocessed Jan 2023
PixInsight, Affinity Photo v.2.03 and Bob Franke's CCDBand-Aid
.
Ha Only Image
Hubble Palette Image
| Data | |
|---|---|
| Altitude at culmination 69° | |
| Minimum Airmass Value (sec z) 1.1 | |
| Taking Camera SBIG STL-11002XM | Nova Scotia Summer 2016, ~mag 6.4 - @-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 |
| Hubble Palette Image Total integration time 19.5 hrs | Ha 13X30min - Astrodon 5nm Ha Filter. SII & OIII 13X30min ea. - Astrodon 3nm Ha Filters. All binned 1X1Binned 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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