Hemisphere:  Northern  ·  Constellation: Monoceros (Mon)  ·  Contains:  NGC 2239  ·  NGC 2244  ·  NGC 2252  ·  Rosette nebula  ·  The star 12Mon
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C49 Rosette Nebula (One Shot Bi-Color), 


            Gilbert Ikezaki
C49 Rosette Nebula (One Shot Bi-Color)
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C49 Rosette Nebula (One Shot Bi-Color)

Technical card

Imaging telescopes or lenses: Celestron Nexstar 8SE

Imaging cameras: Celestron NIghtscape CCD

Mounts: Celestron Advanced VX

Guiding telescopes or lenses: Orion Deluxe Mini 50mm Guide Scope with Helical Focuser

Guiding cameras: Orion StarShoot AutoGuider

Focal reducers: Starizona HyperStar 3

Software: Digital Photo Professional  ·  Deep Sky Stacker  ·  HDRsoft Photomatix Pro 5  ·  Stark Labs Nebulocity 3

Dates:Feb. 11, 2015

Frames:UHC: 32x30" 0C bin 2x2

Integration: 0.3 hours

Darks: ~32

Avg. Moon age: 21.54 days

Avg. Moon phase: 56.49%

Bortle Dark-Sky Scale: 9.00

Basic astrometry details

Astrometry.net job: 1308946

RA center: 6h 31' 58"

DEC center: +4° 59' 31"

Pixel scale: 4.621 arcsec/pixel

Orientation: -7.262 degrees

Field radius: 1.507 degrees

Resolution: 1824x1376

Locations: Mission Valley, San Diego, California, United States

Data source: Backyard


This photo was taken using a one shot camera with a Celestron UHC filter. This filter is made by Baader, and has bandpasses of 460-520nm and 640-680nm. So it is some what like a very sloppy HOO (Ha=>R, Oiii=>G, Oiii=>B).


Sky plot

Sky plot


C49 Rosette Nebula (One Shot Bi-Color), 


            Gilbert Ikezaki