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Star Cloud within Andromeda Galaxy, NGC 206, 


            Steven Bellavia
Star Cloud within Andromeda Galaxy, NGC 206
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Star Cloud within Andromeda Galaxy, NGC 206

Technical card

Imaging telescopes or lenses: Borg 90FL

Imaging cameras: ZWO ASI 183MM Pro

Mounts: Sky-Watcher EQ-6R Pro SynScan

Guiding telescopes or lenses: Agena Astro 50mm f/3.9 Guidescope

Guiding cameras: ASI224MC

Software: Digital Photo Professional  ·  Stark Labs Nebulosity 4.2  ·  Annie's Astro Actions V7  ·  Noel Carboni's Astro Tools for PhotoShop Noel Carboni Actions  ·  IDEIKI AstroPhotography Tool (APT)  ·  SharpCap Pro 3.2  ·  PHD2 Guiding

Filters: L  ·  R  ·  G  ·  B  ·  IDAS UIBAR-III  ·  Baader Semi-APO 2"

Accessory: Borg 1.08X DG Multi-Flattener, #7108

Dates:Aug. 29, 2019

B: 12x300" (gain: 140.00) -15C bin 1x1
G: 12x300" (gain: 140.00) -15C bin 1x1
R: 12x300" (gain: 140.00) -15C bin 1x1
Baader Semi-APO 2": 30x180" (gain: 140.00) -15C bin 1x1

Integration: 4.5 hours

Darks: ~22

Flats: ~30

Flat darks: ~30

Avg. Moon age: 28.44 days

Avg. Moon phase: 1.34%

Bortle Dark-Sky Scale: 2.00

Mean SQM: 21.60

Temperature: 10.00

Basic astrometry details job: 2899284

RA center: 0h 40' 30"

DEC center: +40° 45' 10"

Pixel scale: 0.898 arcsec/pixel

Orientation: 96.083 degrees

Field radius: 0.539 degrees

Resolution: 3597x2398

Data source: Traveller


NGC 206 is a bright star cloud in the Andromeda Galaxy. It is notable for being the brightest star cloud in Andromeda as viewed from Earth.
The bright, blue stars of NGC 206 indicate its youth. Its youngest massive stars are less than 10 million years old. Much larger than the open or galactic clusters of young stars in the disk of our Milky Way galaxy, NGC 206 spans about 4,000 light-years.
I call this an "exo-cluster".



Steven Bellavia
License: None (All rights reserved)

Sky plot

Sky plot


Star Cloud within Andromeda Galaxy, NGC 206, 


            Steven Bellavia