Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  NGC 3359
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NGC 3359 - Spiral Galaxy in Ursa Major., 


NGC 3359 - Spiral Galaxy in Ursa Major.
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NGC 3359 - Spiral Galaxy in Ursa Major.

Technical card

Imaging telescopes or lenses: Orion Optics UK DX 250

Imaging cameras: Starlight Xpress H9C

Guiding cameras: KWIQ Guider

Software: PixInsight  ·  PHD  ·  Astroart 3  ·  NEAT

Dates:Feb. 1, 2012

Frames: 16x180" (48')

Integration: 48'

Avg. Moon age: 8.56 days

Avg. Moon phase: 62.36%

Basic astrometry details

Astrometry.net job: 199041

RA center: 10h 45' 49"

DEC center: +63° 11' 34"

Pixel scale: 2.097 arcsec/pixel

Orientation: -176.706 degrees

Field radius: 0.227 degrees

Resolution: 320x223

Locations: Home, Weymouth, Dorset, UK, United Kingdom

Data source: Backyard


Here is my image of ngc 3359, a most attractive, delicate face-on spiral in UMa. Imaged under somewhat difficult conditions (intense cold, freezing East wind and a half moon), this turned out quite well really considering. I was not expecting to get anything as I had so many trailed images due to the strong wind. This is only 39 minutes exposure - I didn't really have enough to sigma combine so this is an average combined image. I had to spend some time getting rid of the 'hot' pixels manually. Still, a nice galaxy that will definitely repay more attention on a better night.


Sky plot

Sky plot


NGC 3359 - Spiral Galaxy in Ursa Major.,