Michael A. Stecker


NGC 6995 (Veil Nebula segment)
This supernova remnant is from the southern part of the eastern Veil Nebula in Cygnus

file: NGC6995Veil240sx37p2-6242023a-rot.jpg

Photographic Data
Celestron 9.25-inch EdgeHD SCT at f/7 (focal length= 1,637 mm mm)
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)

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
240 seconds X 37 (148-minutes or 2.46 hours)
Stacked in Asiair Plus and cropped and post-processed in Adobe Photoshop Elements
photographic site:
West Los Angeles
(Bortle 9 light polluted sky)