Hemisphere:  Northern  ·  Contains:  NGC 2239  ·  NGC 2244  ·  Rosette nebula  ·  The star 12Mon
The Rosette Nebula, 


            Alexis Carvalho
The Rosette Nebula
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The Rosette Nebula

Technical card

Imaging telescopes or lenses: SKYWATCHER 250/1000

Imaging cameras: ZWO ASI 1600MM-Cooled

Mounts: SkyWatcher EQ8 Pro

Guiding telescopes or lenses: Kepler 60mm

Guiding cameras: ZWO ASI120MC Autoguider

Software: PHD 2 Guiding Autoguidage

Filters: Baader 2" H-Alpha 7nm  ·  Baader OIII 8,5 nm 2"

Accessory: SkyWatcher field flattener Correcteur de Coma

Dates:March 21, 2018March 22, 2018

Baader 2" H-Alpha 7nm: 60x120" (gain: 139.00) -20C bin 1x1
Baader OIII 8,5 nm 2": 60x120" (gain: 139.00) -20C bin 1x1

Integration: 4.0 hours

Darks: ~50

Bias: ~100

Avg. Moon age: 4.56 days

Avg. Moon phase: 21.89%

Bortle Dark-Sky Scale: 3.00

Temperature: 2.00

Basic astrometry details

Astrometry.net job: 1982106

RA center: 6h 32' 11"

DEC center: +5° 0' 0"

Pixel scale: 0.775 arcsec/pixel

Orientation: 260.492 degrees

Field radius: 0.625 degrees

Resolution: 1824x1376

Locations: Chenaud, Chenaud, Dordogne, France


Little test HaOiii miss just SII.

First time with this camera ^^ compared to this one, my D7100 will return to its normal purpose.



Alexis Carvalho
License: None (All rights reserved)

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The Rosette Nebula, 


            Alexis Carvalho