ScienceDownEast | ScienceDownEast Astrophotography | Nebulae | NGC 2244 Rosette Nebula | NGC_2244 STF

NGC_2244 STF

NGC2244 and the Rosette Nebula. The Rosette Nebula (also known as Caldwell 49) is an H II region located near one end of a giant molecular cloud in the Monoceros region of the Milky Way Galaxy. The enclosed open cluster NGC 2244 (Caldwell 50) is closely associated with the nebulosity, the stars of the cluster having been formed from the nebula's matter.

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Total image time was 1 hour.

Exposure 4x15 min.
Gain 100
Camera ToupTek ATR2600C [6224 x 4168]
Optics 120mm Skywatcher Esprit on a Proxisky UMi20S strain wave mount
Guiding ToupTek GPM462M using Phd2
Controller Kstars on MeLe Quieter 3C
Filter Triad Quad Ultra
Location Lower Sackville, Nova Scotia.
Date 2025-01-26
Processing Processed in PixInsight.
GraXpert Background Neutralzationr
Spectrophotometriccolour calibration with the background neutralization turned off
BlurXTerminator
NoiseXTerminator
Screen transfer function stretch applied to a Histogram Stretch
GeneralizedHyperbolic Stretch
SCNR, 75% green removal,
StarXTerminator
HDRMultiscale transform on the Starless
Luminance mask from the starless image
CurvesTransformation for Saturation on the Starless and Stars
PixelMath



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