NGC2244 Rosette Nebula in the light of Ha, [OIII] and [SII]

RGB = Ha, [OIII], [SII]

Click on image to enlarge. For maximum resolution, click here

Compare to CFHT Image above

Click on image to enlarge.


Taken on October 24-26, 2003 in my backyard in Castro Valley, Ca.

Astro-Physics Traveler f/6 with Astro-Physics 0.75X Telecompressor (F=457.5mm total, f/4.5)

SBIG ST10XME Imaging Camera at -22deg C.

Astro-Physics 800mm guidescope (F=900mm)

SBIG ST7E guider camera

Astro-Physics AP1200GTO mount

Finger Lakes Instrumentation DF2 Digital Focuser

Finger Lakes Instrumentation CFW1 Filter Wheel

3 exposures of 20 minutes through Ha and [SII] filters at two sites for 2 x 1 mosaic

2 exposures of 30 minutes through [OIII] filter at two sites for 2 x 1 mosaic

1 exposure of 20 minutes through [OIII] filter at two sites for 2 x 1 mosaic

Custom Scientific Narrowband Emission Line Filters

   [Sulfur II]                     672.4nm  3nm FWHM

   Hydrogen alpha        656.3nm  3nm FWHM

   [Oxygen III]                 500.7nm  3nm FWHM

Total exposure = six hours 40 minutes

Maxim 3.20 used for image capture, calibration, ddp, alignment, format conversion and color combining

Sigma pre-beta 11 used for darks, biases, flats

AIP4WIN used for deconvolution

Photoshop 7 used for mosaic tiling and final adjustments

Buy this and other images here

Hit Counter