Hemisphere:  Northern  ·  Contains:  NGC 3147
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The Angel Nebula, 


            Eric Zbinden
The Angel Nebula
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The Angel Nebula

Technical card

Imaging telescopes or lenses: Astro-Physics 155EDF

Imaging cameras: Finger Lakes Instruments Proline 16803

Mounts: Astro-Physics 900GTO

Guiding telescopes or lenses: Orion 120mm f/5.0

Guiding cameras: Orion Starshoot autoguider

Focal reducers: Astro-Physics 155TCC

Software: PixInsight  ·  Photoshop CS5  ·  MaxIm DL 5

Filters: Lum  ·  Blue  ·  Green  ·  Red

Accessory: Particle Wave Technologies Monolith Pier

Dates:April 28, 2011April 29, 2011April 30, 2011May 1, 2011May 2, 2011May 3, 2011May 4, 2011May 5, 2011

Blue: 26x900" -30C
Green: 20x900" -30C
Lum: 95x900" ISO0 -30C
Red: 26x900" -30C

Integration: 41.8 hours

Avg. Moon age: 17.30 days

Avg. Moon phase: 6.15%

Bortle Dark-Sky Scale: 3.00

Basic astrometry details

Astrometry.net job: 1572227

RA center: 10h 32' 10"

DEC center: +73° 21' 14"

Pixel scale: 2.244 arcsec/pixel

Orientation: 89.339 degrees

Field radius: 1.806 degrees

Resolution: 4096x4096

Locations: D.A.R.C. Observatory, Panoche, CA, United States


The Angel Nebula (Mandel-Wilson-2 or MW2) is part of the galactic cirrus' northern spur, a section of the giant dust cloud sitting above the plane of the milky-way. This cirrus is sometimes referred to as the "integrated Flux Nebula" or (IFN). Located in Ursa Major the Angel Nebula is believed to be about 300 light year above the plane of our galaxy.
High latitude galactic cirrus were first noticed on plates of the Palomar sky survey in the '60s and subsequently discussed by B.T Lynds, A. Sandage and D. Malin among others. The extend of the nebulosity was mapped by two IR satellites in the late 90's. In 2004 it was imaged and cataloged by Steve Mandel as part of his unexplored nebulae project. This image taken in 2011 covers a ~2.5 degrees field of view and shows extensive details of the structure of the galactic cirrus.



Eric Zbinden

Sky plot

Sky plot


The Angel Nebula, 


            Eric Zbinden