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Michael A. Stecker
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NGC 6960 (eastern Veil Nebula
"Witch's Broom")
This supernova remnant showing glowing red Hydrogen-alpha and green Oxygen III light is part of the eastern Veil Nebula in Cygnus. The bright star is 52-Cygni. file: /NGC6960eVeil-240sX32P1-6252023b2.jpg Photographic Data telescope: Astro-Physics 130 mm (5.1-inches) f/6 EDF Starfire refractor (focal length= 877mm 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-eNhanced nebular filter . exposures: 240 seconds X 32 (128-minutes or 2.13 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) |
