NGC1499 - The California Nebula - in Perseus

California Nebula

Emission Nebula in Perseus- NGC1499
Camera: Moravian G4 (16803 ccd) w Astrodon RGB and 5nm H-Alpha filter
Scope: AP155EDF wtih 4" field flattener
Paramount MX guided with an ST-402 and Borg 60mm guidescope
40x20 min in H-Alpha; 15/16/17 x 10 min RGB
Acquired with TSX and CCD-Commander
All calibration via WBPP script in PixInsight. Subsequent processing:
PixInsight:
RGB: SPCC, BlurX, NoiseX, GradientCorrection, Curves, HistogramTransformation, SCNR, masked Saturation boost to midtones and highlights
H-Alpha: BlurX, NoiseX, StarX, HistogramTransformation, Curves, LocalHistogramTransformation (masked), GradientRemoval
H-Alpha added to the RGB via HaRGB_Combine process.

Photoshop:
HighPass filter (20 pixel) on the midtones
NoiseX, Cropped and Rotated, Save-for-Web

Click on the image to see it at 3x this size.

Lucknow, Ontario
October 2024

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