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Technical card

Resolution: 2568x2046

Dates: Jan. 31, 2014Feb. 1, 2014Feb. 13, 2014

Frames:
Baader Ha: 14x600" -10C bin 1x1
Baader OIII: 42x600" bin 1x1
Baader SII: 29x600" -10C bin 1x1

Integration: 14.2 hours

Darks: ~50

Flats: ~20

Bias: ~50

Avg. Moon age: 4.78 days

Avg. Moon phase: 32.73%

Astrometry.net job: 192519

RA center: 60.930 degrees

DEC center: 51.320 degrees

Orientation: -96.606 degrees

Field radius: 0.562 degrees

Locations: San Jose, CA, San Jose, California, United States

Description

NGC 1491 is an emission nebula in Perseus. It's 10,700 light years away in the Perseus arm of the Milky Way. Stars are created in this nebula - and the ultraviolet ligth from those newborn stars make the nebula glow.

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Author

Mark Striebeck
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NGC 1491, Mark Striebeck