NGC 7000 North America Nebula

The Wall

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. Its prominent shape and especially its reddish color (from the hydrogen Hα emission line) show up only in photographs of the area.

The portion of the nebula resembling Mexico and Central America is known as the Cygnus Wall. This region exhibits the most concentrated star formation.

Technical Data

Bortle Scale / SQM-L	Bortle 5 / ---
Period	September 2018
Primary Scope	FSQ 106/530
Camera	CCD KAF-8300
Mount	AP 1100 GTO CP4
Total Exposure Time	3h
Composition	RGB
Location	Val Imagna (Bergamo) Italy

NGC 7000

Technical Data

Bortle Scale / SQM-L	Bortle 5 / 19.89 - 20.28
Period	July 2022
Primary Scope	FSQ 106/530
Camera	QHY600
Mount	AP 1100 GTO CP4
Total Exposure Time	3h
Composition	HRGBOIII
Location	Val Imagna (Bergamo) Italy

the wall in HYDROGEN ALPHA

Technical Data

Bortle Scale / SQM-L	Bortle 5 / ---
Period	July 2022
Primary Scope	FSQ 106/530
Camera	QHY600
Mount	AP 1100 GTO CP4
Total Exposure Time	1H
Composition	H-ALPHA
Location	Val Imagna (Bergamo) Italy