NGC 6992 - the Eastern Veil Nebula is a supernova remnant in the constellation Cygnus. The nebula is a diffuse cloud of heated and ionized gas and dust from a supernova explosion about 5000 - 8000 years ago. Located approximately 1470 light years from earth, the nebula is around 100 light-years across and was discovered by William Herschel on September 5, 1784.
This image was featured on page 26 of the March 2017 edition of the Astronomical League's Reflector Magazine:
https://www.astroleague.org/reflector/file/12092/H790J993S604P978Q450. It was also featured as the September 2017 image in the 2017 calendar from the Astronomical Society of Eastern Missouri.
Acquisition:
Imaged on 9/2/16 & 9/3/16 from Lake St Louis, MO
Integration: 4 hours (LRGB)
Luminance: 12x600s @ 1x1 (120')
R/G/B: 8/8/8 x 300s @ 2x2 (40'/40'/40')
Equipment
Scope: William Optics GTF 81 5 element refractor (535mm focal length)
Upgraded with Moonlite CF focuser with motor
Imager: QHY9Ms with Olivon OAG and QHYCFW2-s filter wheel
Guidecam: ASI120MM
Filters: Baader LRGB
Mount: Orion Atlas EQ-G
Processing and Software
Guiding with PHD2
Acquisition with Sequence Generator Pro
Integration and processing with PixInsight 1.8
NGC6992 Veil Nebula:
https://flic.kr/p/MqzvvqAnnotated image:
https://flic.kr/p/MAEsBTAstrobin:
http://astrob.in/265538/0/
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