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North America Nebula Region in Cygnus

Optics Borg ED101 at f/5.7
Camera STL11000M
Filters Baader Halpha HaRGB
Date May 22- Oct 11, 2010
Location Antares Observatory
Sky Conditions mag 4.5 - 5.5
Exposure HaRGB=20,6.3,6.3,6 (hours)
total: 38.6h
10min subexposures for RGB and 20min for H-alpha frames
Programs used CCD-Stack, Registar, Photoshop CS4
Notes This is a 4-frame mosaic image

Click on the images below to see some selected regions between 100% and 150% resolution.

NGC7000 Crop1 NGC7000 Crop2

NGC7000 Crop3 NGC7000 Crop4

The image containes also a small bipolar planetary nebula, PN K 4-55. The dimension of this object is about 30x55 arcsec. Click on the image below to see a 150% crop of the area, also containing the compact HII-region ECX6-38.

NGC7000 Crop5

M81 Galaxy Group

click here for a 35% size 2560x1740 (2564KB)

click here for a 45% size 3290x2230 (4140KB)

Click on the images below to find a the Halpha channel only (1135KB)

Integrated Flux

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