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Michael A. Stecker
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IC 5146 (Cocoon Nebula)
This cropped photo is of emission nebula IC 5146 in Cygnus, It has a mainly red Hydrogen-alpha color with subtle blue rim and dark lanes. file: IC5146Cocoon-180sX44AP130f6P3-7212023a2.jpg Photographic Data telescope: Astro-Physics 130 mm f/6 EDF Starfire refractor (focal length= 877 mm)
mount:
ZWO AM5 harmonic/strainwave Mount Guide Settings in Asiair Plus: Calibrate Step: 5,000 ms Dec Duration: 3,000 ms RA Duration: 2,000 ms Aggression: 50% for both RA & Dec Exposure time for guiding: 1 second
Guiding hardware:
SVBony 60 mm f/4 guidescope (fl=240 mm) Guide Camera: ZWO ASI662MC color planetary camera (2.97 micron pixels) controller/computer ZWO Asiair Plus via WiFi to Samsung S7+ tablet . imaging camera: ZWO ASI533MC-Pro one-shot color astro-camera cooled to 14-degrees F with Optolong L-Pro light pollution filter . exposures: 180 seconds X 44 (132-minutes or 2.2 hours)
processing
Stacked in Asiair Plus and cropped and post-processed in Adobe Photoshop Elements . photographic site: West Los Angeles http://mstecker.com/pages/chhouses_fp.htm (Bortle 9 light polluted sky) |
