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Hemisphere:  Northern  ·  Contains:  Crab nebula  ·  M 1  ·  M1  ·  NGC 1952  ·  Sh2-244
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Crab Nebula (M1) in LHaSIIRGB, 



    
        

            Sergey Trudolyubov
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Crab Nebula (M1) in LHaSIIRGB

Imaging telescopes or lenses: Lacerta Photonewton 250/1000

Imaging cameras: ZWO ASI 183MM Pro

Mounts: Orion HDX110 EQ-G

Guiding telescopes or lenses: Lacerta Photonewton 250/1000

Guiding cameras: Orion Starshoot autoguider

Software: PixInsight  ·  DeepSkyStacker (DSS) 3.3.2  ·  PHD2 Guiding Software

Filters: Baader SII 36mm Filter 8nm  ·  Astrodon LRGB Gen2 E-Series 36mm  ·  Astrodon 5nm Ha 36mm


Dates:Sept. 23, 2019Oct. 13, 2019Oct. 22, 2019Oct. 25, 2019Nov. 5, 2019Nov. 23, 2019

Frames:
Astrodon 5nm Ha 36mm: 23x180" (gain: 200.00) -10C bin 1x1
Astrodon B Gen2 E-Series 36mm: 214x20" (gain: 200.00) -10C bin 1x1
Astrodon G Gen2 E-Series 36mm: 241x20" (gain: 200.00) -10C bin 1x1
Astrodon L Gen2 E-Series 36mm: 52x20" (gain: 110.00) -10C bin 1x1
Astrodon L Gen2 E-Series 36mm: 32x30" (gain: 110.00) -10C bin 1x1
Astrodon L Gen2 E-Series 36mm: 257x20" (gain: 200.00) -10C bin 1x1
Astrodon R Gen2 E-Series 36mm: 846x20" (gain: 200.00) -10C bin 1x1
Baader SII 36mm Filter 8nm: 20x300" (gain: 110.00) -10C bin 1x1

Integration: 12.0 hours

Avg. Moon age: 20.35 days

Avg. Moon phase: 42.82%


Astrometry.net job: 3257995

RA center: 5h 34' 31"

DEC center: +22° 0' 41"

Pixel scale: 0.495 arcsec/pixel

Orientation: 0.303 degrees

Field radius: 0.247 degrees


Resolution: 2889x2136

Locations: Abiqui Lake, Abiqui, New Mexico, United States; Los Alamos, Los Alamos, New Mexico, United States

Data source: Traveller

Description

The LHaSIIRGB image of the Crab Nebula (Messier 1/NGC1952), the first astronomical object identified witha historical supernova explosion (SN 1054AD). The data for this image was obtained with 250mm f/4.0 Lacerta PhotoNewton and ZWO ASI183MM Pro camera over several nights in September-November 2019. The final L and RGB images are stacks of the 20s exposures with star FWHM < 3" to reduce the effect of poor seeing. The synthetic R band image is a combination of the original R data and narrowband data taken in Ha (5 nm) and SII (8 nm) bandpasses. Individual broadband and narrowband exposures were taken at camera gain 110 and 200. The addition of narrowband data helps to emphasize the intricate filamentary structure of the expanding outer layers of the progenitor star.

Exposure information:
L: 257x20s (Gain 200, bin 1x1), 52x20s (Gain 110, bin 1x1), 32x30s (Gain 110, bin 1x1)
Ha: 23x180s (Gain 200, bin 1x1)
SII: 20x300s (Gain 110, bin 1x1)
R: 846x20s (Gain 200, bin 1x1)
G: 241x20s (Gain 200, bin 1x1)
B: 214x20s (Gain 200, bin 1x1)

Total exposure: 12.0 hrs

The original LRGB image can be found here: https://www.astrobin.com/xrr9uq

Comments

Author

strudolyubov
Sergey Trudolyubov
License: None (All rights reserved)
2932
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  • Final
    Crab Nebula (M1) in LHaSIIRGB, 



    
        

            Sergey Trudolyubov
    Original
  • Crab Nebula (M1) in LHaSIIRGB, 



    
        

            Sergey Trudolyubov
    F

F

Description: A close-up view

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Crab Nebula (M1) in LHaSIIRGB, 



    
        

            Sergey Trudolyubov

In these public groups

ZWO ASI183/QHY183