Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)
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The Cygnus Wall, 


            Marco Prelini
The Cygnus Wall
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The Cygnus Wall

Technical card

Imaging telescopes or lenses: Sky-Watcher 200/1000 PDS

Imaging cameras: ZWO ASI 294MC Pro

Mounts: Sky-Watcher AZ EQ6-GT

Guiding telescopes or lenses: Artesky Ultraguide 60/240 mm

Guiding cameras: ZWO ASI 120 MM Mini

Focal reducers: Baader MPCC Mark III

Software: Pleaides Astrophoto PinInsight 1.8  ·  Photoshop CC  ·  Sequence Generator Pro

Filters: Baader OIII 2.0" 7nm CCD  ·  Baader Ha 2" 7nm CCD

Dates:March 10, 2019March 11, 2019March 14, 2019March 16, 2019March 17, 2019

Baader Ha 2" 7nm CCD: 9x480" (gain: 117.00) -20C bin 1x1
L-Pro 2": 26x300" (gain: 117.00) -20C bin 1x1
L-Pro 2": 25x300" (gain: 117.00) -21C bin 1x1
Baader OIII 2.0" 7nm CCD: 12x480" (gain: 117.00) -20C bin 1x1

Integration: 7.0 hours

Darks: ~21

Flats: ~21

Bias: ~21

Avg. Moon age: 7.14 days

Avg. Moon phase: 47.98%

Bortle Dark-Sky Scale: 8.00

Basic astrometry details

Astrometry.net job: 2607370

RA center: 20h 59' 39"

DEC center: +43° 39' 21"

Pixel scale: 0.946 arcsec/pixel

Orientation: 92.401 degrees

Field radius: 0.646 degrees

Resolution: 2751x4080

Locations: Home Backyard, Meda, Milano, Italy

Data source: Backyard


"The Cygnus Wall", is a part of the much larger "North America" nebula, a vast region of ionized hydrogen. It is an area of star formation, there are many young stars, with a protoplanetary disk still around.

The composition of the shot is particular, HA + OIII + RGB, HA and OIII united in bicolour HOO and RGB combined to give consistency to the color of the stars.


Sky plot

Sky plot


The Cygnus Wall, 


            Marco Prelini

In these public groups

Imagers of Italy
Cloudy Nights