NGC 253, NGC 288

Full Size: 3120 × 2340

NGC 253, NGC 288

Telescope: Takahashi 60 CB
Mount: 10Micron GM1000, rented from Centro Astronomico La Palma (www.athos.org)
Focal length, f/ratio: 264 mm, f/4.4
Total exposure time: 248 min
Filter: LRGB
CCD, guiding: STF-8300M
Date, location: 30.09.2016, Puntagorda, La Palma
Author: Andreas Masche
Comments: LRGB
L = 26 x 240 sec
R, G, B = 12 x 240 sec, each
Processing Flow: PI: Preprocessed Images: ImageCalibration, StarAlignment
Processing Flow: PI: Each Channels: ImageIntegration
Processing Flow: PI: Color Channels: ChannelCombination (RGB)
Processing Flow: PI: RGB: BackgroundNeutralisation, ColorCalibration, HistogrammTransformation
Processing Flow: PI: RGB: ChannelExtraction (L, a, b)
Processing Flow: PI: Luminance: HistogrammTransformation, DBE
Processing Flow: PI: LRGB: ChannelCombination (Lab), DynamicCrop, DBE
Processing Flow: PS: LRGB: Corrections (Curves, Saturation)