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Contains:  M 1, Crab nebula, NGC 1952
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M1, 





    
        

            starhopper
M1

M1

Technical card

Resolution: 2328x1605

Astrometry.net job: 1994023

RA center: 83.623 degrees

DEC center: 22.017 degrees

Pixel scale: 1.322 arcsec/pixel

Orientation: 358.770 degrees

Field radius: 0.519 degrees

Data source: Backyard

Description

Object: M1 Crab Nebula
Optic: CA300 (300/1200mm Newton f4), GPU Corrector
Mount: Skywatcher EQ8
Camera: ZWO ASI 1600MM-C @ -20°C, Gain 75, Offset 15
Filter: ZWO EFW 7x36mm, Baader 36mm Filter
Exposure: total 5.2h, Ha 33x4min, OIII 34x4min, R 7x2min, G 7x2min, B 7x2min
327xBias, 48x Darks(2min:4min), 31x Flat(Ha:OIII), 25x Flat (R:G:B)
Color: Ha-OIII,RGB
Capture: SGP (Sequencing, Autofocus, Dithering, FlatWizard)
Guiding: TS-OAG 9mm, ASI120MM, PHD2
Date/Location: 2018-02-14, Zirndorf

Image Processing:
Pixinsight:
ImageCalibration, CosmeticCorrection, StarAlignment, Blink, ImageIntegration,
BatchPreprocessingScript (for RGB), ChannelCombination, DBE, PhotometricColorCalibration,
STF for OIII, HT-Stretch for RGB, StarMask

ST: DDP for Ha, Magic

PS:
NIK Difine2 for RGB, ColorBalance, maskedMinimumfilter, Dynamic, Levels, Blend of masked NB-Channels
matching visual spectrum according to Debra Ceravolo: Curves, Levels and GradientMap as clipping mask,
Ha as LuminanceLayer, Dynamic, color Stars in Nebula, masked HighPassSharping

Comments

Author

starhopper
starhopper
License: None (All rights reserved)
1560
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M1, 





    
        

            starhopper