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


            James Schrader
The Rosette Nebula
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The Rosette Nebula

Technical card

Imaging telescopes or lenses: Orion 8" f/3.9 Newtonian Astrograph

Imaging cameras: Canon 450D EOS 450D / Digital Rebel XSi

Mounts: Orion Atlas EQ-G

Guiding telescopes or lenses: Orion ShortTube 80

Software: Pixinsight  ·  Binary Rivers Backyard EOS

Accessory: Astronomik ha filter 12nm (EOS clip type)  ·  Baader MPCC Coma Corrector

Dates:Jan. 3, 2014Jan. 4, 2014

56x300" ISO800
Astronomik 12nm H-Alpha: 38x600" ISO800

Integration: 11.0 hours

Darks: ~50

Flats: ~100

Bias: ~200

Avg. Moon age: 2.94 days

Avg. Moon phase: 9.74%

Basic astrometry details

Astrometry.net job: 304396

RA center: 6h 31' 50"

DEC center: +4° 59' 56"

Orientation: -76.803 degrees

Field radius: 0.896 degrees

Resolution: 620x390

Locations: Home (Front Yard), Jefferson City, MO, United States


RGB: 56 x 5 minutes, ISO 800
HA: 38 x 10 minutes, ISO 800
Total Exposure: 11 hours

Equipment: Canon 450D (full spectrum mod), Astronomik 12nm Ha Filter (EOS Clip-in), Orion 8" f/3.9 Newtonian Astrograph, Orion Atlas EQ-G, Orion SSAG/50mm, Baader MPCC

Acquisition: EQMOD, Cartes du Ciel, Backyard EOS, Astrotortilla, PHD

Calibration and Post-processing in Pixinsight. Star removal on the hydrogen alpha data was done in Straton.



James Schrader
License: None (All rights reserved)


  • The Rosette Nebula, 


            James Schrader
  • Final
    The Rosette Nebula, 


            James Schrader

Sky plot

Sky plot


The Rosette Nebula, 


            James Schrader