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The North America Nebula (NGC 7000 or Caldwell 20) is an emission nebula in the constellation Cygnus, close to Deneb (the tail of the swan and its brightest star). The remarkable shape of the nebula resembles that of the continent of North America, complete with a prominent Gulf of Mexico.
The North America Nebula is large, covering an area of more than four times the size of the full moon; but its surface brightness is low, so normally it cannot be seen with the unaided eye. Binoculars and telescopes with large fields of view (approximately 3°) will show it as a foggy patch of light under sufficiently dark skies. However, using a UHC filter, which filters out some unwanted wavelengths of light, it can be seen without magnification under dark skies.
Cygnus's Wall is a term for the "Mexico and Central America part" of the North America Nebula, shown in this image. The Cygnus Wall exhibits the most concentrated star formations in the nebula. It also resembles the letter W or a large bird taking off, if you look at it from the right angle.
Source: en.wikipedia.org/wiki/North_America_Nebula
Taken at St. Joseph, IL on 8/24/2017
Image type: Narrowband HA-OIII (RB) 10x300ea The green channel was synthetized.
Hardware: AT8RC, SBIG ST8300M
Software: Nebulosity, CCDStack, Photoshop CS6, Images Plus
The whooper swan (/ˈhuːpə(ɹ) swɒn/) (Cygnus cygnus), also known as the common swan, pronounced hooper swan, is a large northern hemisphere swan. It is the Eurasian counterpart of the North American trumpeter swan,
NGC 7000 - The Cygnus Wall
The Cygnus Wall is a portion of the North America Nebula (NGC 7000) and is located in the constellation Cygnus, the Swan.
Telescope:Orion EON 130mm Refractor
Mount: Losmandy GM811G
Imaging Camera: ZWO ASI 2600MC Pro
Filter: Optolong L-Extreme
Site: Elk Grove, California, USA
Calibration Files: None
Guiding: ZWO ASI 174mm mini/Orion 60mm Guidescope/PHD2
No of Frames: 32
Sub Exposure Time: 240 sec
Integration Time: 2h 5m
Bortle Zone: Class 6
Date Taken: June 19, 2022
Whooper Swan.
Stood in just one spot on the river bank we were treated to a display of new autumn visitors such as the Whooper and soon to depart summer visitors including the Hobby, Great Egrets (although some are now over wintering?) and even a single Swallow.
WWT Slimbridge.
Encompassing grace and power, the familiar Mute Swan can be seen all year round on suitable waterbodies.
The large size and bright white plumage make adult Mute Swans unmistakeable. They can be separated from the wintering swan species by their orange bill (in contrast to the yellow and black bills of Whooper and Bewick's Swans). (BTO).
My thanks to anyone who views, faves or comments on any of my photos. It is much appreciated.
It took a fair bit of scrambling about on slippery rocks to line this swan up with the sun's reflection on the water and hope it would take its head out of the sea for a second or two so I could get the shot.
I'd removed the camera from the tripod a bit further up the beach, then spent so long running around after swans I nearly lost the tripod to the rising tide. Thankfully I remembered just in time to wade in and rescue it. Nearly an expensive mistake.
I went for a square-ish crop for a change as the foreground was a bit empty for my liking.
The whooper swan (Cygnus cygnus), also known as the common swan, pronounced hooper swan, is a large northern hemisphere swan. It is the Eurasian counterpart of the North American trumpeter swan,
Lähdin tänään Kuortaneelle linnustamaan. Kirjasin sieltä yhden uuden lajin: pilkkasiipi, Melanitta fusca.
This area contains several Nebula (North American and Pelican) as well as star clusters. These are typically referred to as emission Nebulas. Lots of gas and dust floating in space. If you have questions about how I took this image - give me a shout! This is a superset of the last image I uploaded. Taken under Fairfax, Virginia skies
This is a 2 pane mosaic of NGC7000. After the bad framing of the previous image, I decided to take a second pane to fully cover the mexico part of the nebula.
-- EQUIPMENT ---------------------------
Camera: Altair Hypercam 26M
Filterwheel: Starlight Xpress (7 x 36 mm)
Filters: Astronomik Ha +OIII 6nm
Telescope: APM 107/700 w. TS Flattener (700mm f/ 6.5)
Mount: Astro-Physics 1100GTO
Tripod: Berlebach Planet small
Guiding: Starlight Xpress OAG with Lodestar X2
Software
Capturing: Sequence Generator Pro
Guiding: PHD2
Processing: Pixinsight
-- Details -----------------------------------
Date: July 3rd 2022 + August 3rd 2022
Location: My backyard
Temp Camera: -20°C
Gain: 100
Pixel size: 3.8 μm
Pixel scale: 1.1 Arcseconds per pixel
-- Exposures ------------------------------
Pane 1 (left):
Ha: 9 x 10 min
OIII: 8 x 10 min
Pane 2 (right):
Ha: 11 x 10 min
OIII: 8 x 10 min
Total integration time: 6 hours.
Kingdom (Reich): Metazoa
Phylum (Stamm): Chordata
Subphylum (Unterstamm): Vertebrata
Class (Klasse): Aves
Order (Ordnung): Anseriformes
Family (Familie): Anatidae
Subfamily (Unterfamilie): Anserinae
Genus (Gattung): Cygnus
Species (Art): C. olor
Cygnus olor (Gmelin, 1789)
EN: Mute swan
DE: Höckerschwan
Black swan are prevelant in NZ, but when they have Cignets, I find them interesting to watch the teaching process.
DESCRIPTION: Wide field image of whole Cygnus (Swan) Constellation, sometimes called Northern Cross, has been taken by 50 mm lens… If you have comment or tips I would very appreciate your advise…
OBJECT: Cygnus (Swan) Constellation. FOV 40 x 27 arcdeg, no cropped image.
GEAR: Nikon Z7 Kolari Full Spectrum + Nikkor Z 50/1,8, Kolari UV/IR/H+ filter, tracking mount iOptron CEM60EC - 3 star alignment, no auto guiding.
ACQUISITION: July 22, 2020, Struz, CZ, Exposure 60s, f 1,8, ISO 400, Light 22x, Dark 5x, Bias 5x, Flat 20x. Total exposure time 22 min. Taken during Astronomical twilight, clear sky, no wind, approx. 18 C.
STACKING AND POST PROCESSING: AstroPixelProcessor (stacking, background neutralization, light pollution removal, calibrate background and stars colors), Adobe Photoshop CC 2020 (stretching, black and white point settings, star reduction, enhance DSO, noise reduction, contrast setting and sharpening).
Uno dei simpatici cigni selvatici (Cygnus cygnus) che vivono nell'oasi di Val canal Novo a Marano Lagunare.
One of the cute whooper swans (Cygnus Cygnus) living in the oasis of Val Canal Novo in Marano Lagunare.
Taken 6 to 10 August 2022 on consecutive nights, a wide field of the Cygnus region containing The Tulip, Crescent, Soap Bubble, WR 134 and Sh2-104 Nebulae. This image comprises 18hrs of capture of narrowband Sii, Ha, and Oiii plus LRGB for the stars. So many elements in this image to bring out in processing, starting from scratch 5 times now, but this is the finished version for now anyway. Whilst there are many individual nebulae in this image, a few of the more identifiable due to structure are listed below.
The Tulip Nebula – Sh2-101 The emission from the Tulip Nebula is powered by ultraviolet radiation of the hot young star HD 227018. The O6.5III class star belongs to the Cygnus OB3 association and has a visual magnitude of 9.02. In images, it can be seen near the nebula’s centre.
The Soap Bubble Nebula, or PN G75 is a planetary nebula in the constellation Cygnus, near the Crescent Nebula (NGC 6888). It was discovered by amateur astronomer Dave Jurasevich using an Astro-Physics 160 mm refractor telescope with which he imaged the nebula on June 19, 2007 and on July 6, 2008. Can you see it? It is underneath the Crescent Nebula, a little to the left in this image.
WR 134 is a variable Wolf-Rayet star located around 6,000 light years away from Earth in the constellation of Cygnus, surrounded by a faint bubble nebula blown by the intense radiation and fast wind from the star. It is five times the radius of the sun, but due to a temperature over 63,000 K it is 400,000 times as luminous as the Sun.
NGC 6888, the Crescent Nebula, is about 25 light-years across blown by winds from its central, bright, massive star. The oxygen atoms produce the blue hue that seems to enshroud the detailed folds and filaments. Visible within the nebula, NGC 6888's central star is classified as a Wolf-Rayet star (WR 136). The star is shedding its outer envelope in a strong stellar wind, ejecting the equivalent of the Sun's mass every 10,000 years.
Sh2-104 is a very faint emission nebula in the constellation Cygnus. This is located due east of the popular Crescent Nebula. Sh2-104 is viewed by professional astronomers as a good illustration of the "collect and collapse" model of star formation triggered by the rapid expansion of a Helium II region.
Sky Quality 19.67 Magnitude Class 5 Bortle.
Astromiks 50mm SHO 6nm Filters and LRGB Filters
30 x Darks, Flats and Dark Flats
ZWO ASI6200MM Pro
ZWO 7x2" EFW
ZWO EAF
Williams Optics GT81 IV
WO 6A III Field Flattener 0.8
HEQ5 Pro Rowan
ASIAIR Pro
Astro Pixel Processor
Pixinsight
Photoshop 2022
The rich constellation Cygnus (Swan) is beautiful itself but through a 12nm Hydrogen-alpha clip filter it reveals a large amount of hydrogen nebulae.
This is my first "real" attempt to blend photos with a Ha filter and classic RGB images.
I tried to keep as much of the natural background as possible and at the same time get some extra nebulosity into the image.
There were a lot more nebulae in the Ha photo itself, but I decided to go for a more decent processing.
H alpha was photographed over two nights with a total time of more than 6 hours.
Even though Ha cuts off some wavelengths and "can be" photographed with the moon in the sky, it wasn't a good idea.
Weak details were not added not only because of the bright moon but also because of the wide field of view.
So next time i'll stick with the longer focal lenght :)
Despite the fact that there is not as much detail in the photo as I wanted, I am quite satisfied with it, but of course I will accept any criticism
Canon 6Dmod + Sigma 50mm, f1.4
RGB: f2.8, ISO 1600, 20x2min
Ha: f2.8, ISO 6400, 77x5min
Mount: EQM35
Cygnus Loop is the remains of a massive star explosion - a supernova. It is located about 1440 light years from Earth and consists of several smaller nebulae, among others: Veil, Pickering's Triangle and ... Witch's broom.
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The photo was exposed for a total of over 11 hours using a camera with a 250mm lens. ⠀
25x30sec iso3200 f2.8 sony 85mm pixinshight and startools. I might have stack some passing clouds so not the best file but happy with the outcome if you consider that is only 25 fits.
Milky Way in Cygnus 2025
Credit: Giuseppe Donatiello (Oria Amateur Astrophysical Observatory - OAAO)
Helios 58mm f/2 + EOS 4000D array mosaic
(Overlapping 12 fields 21x14 deg)
Part of the North America Nebula, NGC 7000, shot with narrowband filters and rendered as false color in the SHO Hubble palette. This image was made with my Takahashi FSQ 106 EDX4 and ZWO ASI6200 MM full frame monochrome sensor behind 3 nm Chroma SII, Ha, and OIII filters all on a Paramount ME, unguided. The image was constructed from 3 hours of total exposure (20 exposures of 3 min each for each filter) in my backyard in the northeast heights of Albuquerque, NM, USA. The Moon was 93% full. The date was May 24, 2021. The individual images were calibrated, integrated and channel combined as RGB in PixInsight. Color adjustments were made in Lightroom and Photoshop. This image is cropped and is about 25% in area of the full frame.
The Cygnus Wall is 2950 light years from Earth (based on Gaia satellite astrometry of 395 stars in the nebula) and is a very rich HII star forming region. The wall is approximately 40 light years in length. Please note: the star colors are artificial (as is the entire image).
Wide field image of the entire constellation. Image taken with an Nikkor 50mm f/1.4 lens stopped to f/2.8. Camera is a Canon Ra set to ISO 3200. This was a stack of 15 images of varying exposure times, from 15s up to 2 min's. Image processing done in Pixinsight and Photoshop.
The mute swan (Cygnus olor) is a species of swan and a member of the waterfowl family Anatidae. It is native to much of Eurosiberia, and (as a rare winter visitor) the far north of Africa. It is an introduced species in North America, home to the largest populations outside of its native range, with additional smaller introductions in Australasia and southern Africa. The name 'mute' derives from it being less vocal than other swan species..Mute swans lay from 4 to 10 eggs. The female broods for around 36 days, with cygnets normally hatching between the months of May and July.[45] The young swans do not achieve the ability to fly before about 120 to 150 days old. This limits the distribution of the species at the northern edge of its range as the cygnets need to learn to fly before the ponds and lakes freeze over