NGC7000 & IC5070
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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. It is sometimes incorrectly called the "North American Nebula". 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.
Cygnus's Wall is a term for the "Mexico and Central America part" of the North America Nebula. The Cygnus Wall exhibits the most concentrated star formations in the nebula. (See my next image).
The North America Nebula and the nearby Pelican Nebula, (IC 5070) are in fact parts of the same interstellar cloud of ionized hydrogen (H II region). Between the Earth and the nebula complex lies a band of interstellar dust that absorbs the light of stars and nebulae behind it, and thereby determines the shape as we see it. The distance of the nebula complex is not precisely known, nor is the star responsible for ionizing the hydrogen so that it emits light. If the star inducing the ionization is Deneb, as some sources say, the nebula complex would be about 1800 light years distance, and its absolute size (6° apparent diameter on the sky) would be 100 light years.
Imaging telescopes or lenses: Takahashi FSQ106ED
Imaging cameras: QSI 6120i
Mounts: Takahashi EM 200 Temma 2 (Temporarily using my EM200 mount)
Guiding telescopes or lenses: Takahashi FS 60 CB
Guiding cameras: QHY CCD QHY 5 II
Focal reducers: Takahashi QE 0.73x
Software: PHD 2, Pleiades Astrophoto PixInsight , Sequence Generator Pro SGP
Filters: Astrodon OIII 3nm, Astrodon Ha 3nm, Astrodon SII 3nm
Accessories: Robofocus Focuser, ATIK EFW2
Resolution: 1700 x 1331
Dates: 28th May - 11th Jun '16
Frames: (Total for two panels)
Astrodon Ha 3nm: 42x1200" bin 1x1
Astrodon OIII 3nm: 36x1200" bin 1x1
Astrodon SII 3nm: 36x1200" bin 1x1
Integration: 38 hours
Center (RA, Dec):(313.681, 43.903)
Center (RA, hms):20h 54m 43.376s
Center (Dec, dms):+43° 54' 09.134"
Size:2.35 x 1.84 deg
Radius:1.493 deg
Pixel scale:3.29 arcsec/pixel
Orientation: Up is 179 degrees E of N
Cygnus's Wall is a term for the "Mexico and Central America part" of the North America Nebula. The Cygnus Wall exhibits the most concentrated star formations in the nebula. (See my next image).
The North America Nebula and the nearby Pelican Nebula, (IC 5070) are in fact parts of the same interstellar cloud of ionized hydrogen (H II region). Between the Earth and the nebula complex lies a band of interstellar dust that absorbs the light of stars and nebulae behind it, and thereby determines the shape as we see it. The distance of the nebula complex is not precisely known, nor is the star responsible for ionizing the hydrogen so that it emits light. If the star inducing the ionization is Deneb, as some sources say, the nebula complex would be about 1800 light years distance, and its absolute size (6° apparent diameter on the sky) would be 100 light years.
Imaging telescopes or lenses: Takahashi FSQ106ED
Imaging cameras: QSI 6120i
Mounts: Takahashi EM 200 Temma 2 (Temporarily using my EM200 mount)
Guiding telescopes or lenses: Takahashi FS 60 CB
Guiding cameras: QHY CCD QHY 5 II
Focal reducers: Takahashi QE 0.73x
Software: PHD 2, Pleiades Astrophoto PixInsight , Sequence Generator Pro SGP
Filters: Astrodon OIII 3nm, Astrodon Ha 3nm, Astrodon SII 3nm
Accessories: Robofocus Focuser, ATIK EFW2
Resolution: 1700 x 1331
Dates: 28th May - 11th Jun '16
Frames: (Total for two panels)
Astrodon Ha 3nm: 42x1200" bin 1x1
Astrodon OIII 3nm: 36x1200" bin 1x1
Astrodon SII 3nm: 36x1200" bin 1x1
Integration: 38 hours
Center (RA, Dec):(313.681, 43.903)
Center (RA, hms):20h 54m 43.376s
Center (Dec, dms):+43° 54' 09.134"
Size:2.35 x 1.84 deg
Radius:1.493 deg
Pixel scale:3.29 arcsec/pixel
Orientation: Up is 179 degrees E of N
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Annotated Image
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