The Helix Nebula - NGC 7293 in Aquarius

Imaged from Nova Scotia

First Version with a Short Focal Length Instrument-Data Obtained Summer, 2014

Second Version using Short Focal Length 2014 Data Merged With Data From A Long Focal Length Instrument Data Obtained Summer-Fall, 2014-2015

 

 

Short Focal Length Version

 

 

 

 

 

 

Short Focal Length HaRGB Combination
Data
Altitude at culmination 25°
Airmass Value (sec z) 2.4
Taking Camera SBIG STL-11002XM Nova Scotia Summer 2014, ~mag 6.4 - no moon @-20C
Imaging OTA Takahashi TOA-150 with TOA-67 Field Flattener
Equivalent focal length and ratio 1090mm f/7.3
Mount Astro-Physics 1600GTO
Guiding PHD2/MMOAG/SBIG ST-i
HaRGB Total integration time 17hrs 10mins Ha 10X30min, R21x10 min, G-25x10 min, B27x10 min-Astrodon Gen 2 I series Filters. 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 CS5 and Bob Franke's CCDBand-Aid


Version Incorporating Long and Short Focal Length Data Combined

Combined Long and Short Focal Length HaRGB Combination
Data
Altitude at culmination 25°
Airmass Value (sec z) 2.4
Taking Camera SBIG STL-11002XM Nova Scotia Summer/Fall 2014-2015, ~mag 6.4 - no moon @-20C
Imaging OTAs Takahashi TOA-150 with TOA-67 Field Flattener combined with 14.5" AGO iDK
Equivalent focal length and ratio 2465mm f/6
Mount Astro-Physics 1600GTO
Guiding PHD2/MMOAG/SBIG ST-i
HaRGB Total integration time 19hrs 10mins Ha 11X30min, R27x10 min, G-21x10 min, B34x10 min-Astrodon Gen 2 I series Filters. 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 CS5 and Bob Franke's CCDBand-Aid

 

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