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Contains:  NGC 2237, NGC 2238, NGC 2239, NGC 2246, NGC 2252, Rosette A, Rosette B, Rosette Nebula, The star 12Mon
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Rosette Nebula in SHO, 


Rosette Nebula in SHO
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Rosette Nebula in SHO

Technical card

Dates:March 7, 2020March 8, 2020March 15, 2020

ZWO Hɑ 31mm 7nm: 30x300" (gain: 139.00) -10C bin 1x1
ZWO OIII 31 mm 7 nm: 46x300" (gain: 139.00) -10C bin 1x1
ZWO SII 31mm 7nm: 38x300" (gain: 139.00) -10C bin 1x1

Integration: 9.5 hours

Darks: ~200

Flats: ~200

Bias: ~200

Avg. Moon age: 15.58 days

Avg. Moon phase: 83.40%

Bortle Dark-Sky Scale: 6.00

Basic astrometry details job: 3365796

RA center: 6h 32' 1"

DEC center: +4° 54' 57"

Pixel scale: 0.707 arcsec/pixel

Orientation: 2.663 degrees

Field radius: 1.063 degrees

Resolution: 8592x6581

Data source: Backyard


The Rosette Nebula which includes NGC 2237, NGC 2238, NGC 2239, NGC 2244, NGC 2246, Caldwell 49, & Caldwell 50, is an emission nebula and open cluster complex in the Monoceros region in the Milky Way Galaxy. This complex is approximately 5,000 L.Y. away from Earth and is roughly 130 L.Y. in diameter. An emission nebula is a nebula of ionized gases that are energized by nearby high-energy stars. In the case of the Rosette Nebula, the primary source is from young stars freshly being born.



License: None (All rights reserved)

Sky plot

Sky plot


Rosette Nebula in SHO,