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The Western Veil Nebula is a supernova remnant consisting of oxygen, sulfur, and hydrogen gas. This area of Cygnus is densely populated with stars and includes regions of heated gas that make up the Cygnus Loop.As APOD so eloquently puts it, the Western Veil Nebula is an expanding cloud born of the death explosion of a massive star. NGC 6960 (Caldwell 34) is often referred to as the Witchs Broom as its delicate filamentary structure resembles this memorable shape.On this page, you will see astrophotography image examples using a DSLR camera, and a one-shot-color astronomy camera using narrowband filters. My latest edition of the Western Veil Nebula was captured from my Bortle Scale Class 8 skies in Ontario, Canada.The Witches Broom Nebula (Western Veil) through a 102mm telescopeThe image above was captured using a one-shot-color astrophotography camera through a small refractor telescope. A duo-narrowband filter was used to help isolate the light wavelengths associated with hydrogen and oxygen gases (Ha and OIII). You can view a larger version of this image on Flickr.Learn more about the filters I use for astrophotography: Light Pollution Filters for AstrophotographyVideo: Photographing the Veil NebulaThe video below takes you through the process of photographing the Veil Nebula, specifically the Western Veil Nebula and Pickerings Triangle. I used a 430mm refractor telescope (William Optics Zenithstar 73) to capture most of the Cygnus Loop, leaving out the Eastern Veil Nebula. To capture this image, a quad-band filter was used to isolate the prominent gases in the nebula. The OPT Triad Ultra filter (2″) was threaded to the field flattener of my telescope and sits in front of the camera sensor. The video above features the first time I was able to capture Pickerings Triangle as well as the Western Veil Nebula in a single frame. The resulting image below should give you a good idea of how wide this area of the sky is (over three times the size of the full Moon!)The Witchs Broom and Pickerings Triangle captured using a DSLR Camera and Telescope.The Western Veil NebulaTo capture the Veil Nebula through astrophotography requires patience, and a specific image processing approach. NGC 6960 resides in a countless sea of stars that must be tamed before the Western Veil Nebula will emerge.Below, is a wide field photo of the Western Veil Nebula captured using a DSLR camera and a small refractor telescope. A DSLR camera like the Canon EOS Rebel Xsi used for the shot below is a great way to enjoy deep sky astrophotography through a telescope.NGC 6960 – The Western Veil Nebula using a DSLRThe camera had recently been modded for astrophotography by manually removing the stock IR cut filter above the sensor. This modification certainly helps to record more structure in nebulae such as this, but it is not essential to photograph the Veil Nebula.NGC 6960 – Western Veil Nebula (DSLR)Photographed on: July 8, 2014Telescope: Explore Scientific ED80 with WO Flat III 0.8x FRFFMount: Skywatcher HEQ-5 ProGuiding: Meade DSI Pro II and PHD GuidingGuide Scope: Orion Mini 50mmCamera: Canon EOS 450D (Modified)ISO: 1600Total Exposure: 4 Hours (60 x 240 seconds)Processing Software: DeepSkyStacker, Photoshop CCSupport Files: 15 dark framesUsing Narrowband FiltersIn August of 2017, I attempted to capture the Western Veil Nebula using Narrowband images from a color camera, the Altair Hypercam 183C. The image below adds Ha and OIII details to the true color broadband data for a NarrowbandRGB Composite.The RGB details of this image were captured using a UHC filter (Ultra High Contrast). The Baader UHC-S was effective at reducing much of the unwanted light from my backyard sky, although I prefer the more natural look the Baader Moon and Skyglow (Neodymium) filter creates.NGC 6960 – The Veil Nebula using Narrowband DataAltair Hypercam 183C (Narrowband)Telescope: Explore Scientific ED102 CFCamera: Altair Hypercam 183CMount: Sky-Watcher HEQ5 Pro SynScanGuide Scope: Altair Starwave 50mmGuide Camera: Altair GPCAM2 AR0130 MonoSoftware: Astro Photography Tool, DeepSkyStacker, Adobe Photoshop CC 2017Filters: Baader UHC-S, Astronomik 12nm Ha, OIIIDates: July 29, Aug. 5, 8, 9, 14, 16Frames:Ha: 47 x 300″ Bin 2×2OIII: 64 x 180″ Bin 2×2Baader UHC-S: 13 x 180″ Bin 2×2, 29 x 120″ Bin 2×2Total Exposure: 8 Hours, 17 MinutesObserving the Western Veil NebulaThis supernova remnant is believed to be produced over 5000 years ago. The Cygnus Loop contains the Eastern Veil Nebula and additional emission nebulosity of the same composition. This is one of my favorite nebulae to observe visually. Under the right conditions, you can follow the tendrils from end to end.A telescope with a large aperture is needed, and an OIII filter will help. The Western Veil Nebula contains a naked-eye star known as 52 Cygni, which will help you locate the nebula with your telescope.Below, you will see my photo of the Eastern Veil Nebula nearby. The focal length of my telescope (roughly 600mm) could not fit both objects in the same field of view.Image ProcessingThis image of the Western Veil Nebula was photographed from a friends house out in the country with darker skies than I am used to from the backyard. The toughest part about processing this image of the Western Veil Nebula was reducing the brightness of the stars that surround the nebula. NGC 6960 is located in a very dense area of the Cygnus constellation.An unprocessed single 4-minute exposure of NGC 6960Because the surface brightness of the Veil is relatively low, you must stretch the data in the nebulosity to create the contrast between it and the starry background. I use the make stars smaller action found in Noel Carbonis Astronomy Tools Action Set, and ran the image through multiple iterations of this command.It is helpful to mask the nebula while performing this action so you do not lose detail in the object itself.Learn more about Deep Sky Image Processing in PhotoshopDeep Sky Nebulae in Cygnus for AstrophotographyHere are some more excellent deep sky astrophotography targets in the constellation Cygnus that I have captured over the years.
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