Hemisphere:  Northern  ·  Constellation: Taurus (Tau)  ·  Contains:  M 1  ·  NGC 1952
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Crab Nebula (time-lapse movie 2008-2020), 



    
        

            DetlefHartmann
Crab Nebula (time-lapse movie 2008-2020)
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Crab Nebula (time-lapse movie 2008-2020)

Getting plate-solving status, please wait...
Crab Nebula (time-lapse movie 2008-2020), 



    
        

            DetlefHartmann
Crab Nebula (time-lapse movie 2008-2020)
Powered byPixInsight

Crab Nebula (time-lapse movie 2008-2020)

Equipment

Imaging Telescopes Or Lenses
Selfmade 443/2048 Newtonian f4.6
Imaging Cameras
SBIG ST-10XME
Mounts
Sideres85
Filters
SBIG CFW-9
Accessories
Baader RCC-1 Coma Corrector · SBIG AO-8
Software
PixInsight

Acquisition details

Dates:
Sept. 29, 2008 ·  Sept. 23, 2009 ·  Sept. 12, 2010 ·  Sept. 26, 2011 ·  Sept. 16, 2012 ·  Oct. 5, 2013 ·  Sept. 22, 2014 ·  Sept. 12, 2015 ·  Sept. 28, 2016 ·  Nov. 1, 2016 ·  Sept. 22, 2017 ·  Sept. 10, 2018 ·  Oct. 5, 2018 ·  Oct. 4, 2019 ·  Sept. 18, 2020
Frames:
485x300" (40h 25') -25°C
Integration:
40h 25'
Avg. Moon age:
10.70 days
Avg. Moon phase:
8.28%
Bortle Dark-Sky Scale:
2.00
Mean SQM:
21.40
Mean FWHM:
2.20

Basic astrometry details

Astrometry.net job: 4093131

RA center: 05h34m32s.6

DEC center: +22°0057

Pixel scale: 0.342 arcsec/pixel

Orientation: 0.136 degrees

Field radius: 0.105 degrees

Resolution: 1920x1080

Data source: Own remote observatory

Description

Exactly after 3 years: this animated gif is the continuation of: Crab Nebula (one decade time-lapse movie). Detailed informations and links to other works you can find there.

Changes for this version:

- 3 additional years (2018, 2019, 2020)

- better image quality (improved sharpness of the red filaments and improved visualization of the synchrotron radiation area)

- bigger file size (30 MBytes compared to 9 MBytes, mainly caused by more images, partly (33%) by better gif encoding quality)

- new arrangement of the frames (original version (27.12.17) 2008->2017, this version 2008->2020->2008). The movie shows the years up and down, not with a jump at the end, the movements are better visible with this arrangement.

There are two versions available:

Original: 1 frame per second, you can check the individual frames and the varying seeing.

Final: 24 frames per second, you can see the dynamical movements in the synchrotron area.

I have measured the speed of structures in the southeast oriented jet: 1.3 light years within 12 years, that means 11% of the speed of light!

Comments

Revisions

  • Crab Nebula (time-lapse movie 2008-2020), 



    
        

            DetlefHartmann
    Original
  • Final
    Crab Nebula (time-lapse movie 2008-2020), 



    
        

            DetlefHartmann
    B

Sky plot

Sky plot

Histogram

Crab Nebula (time-lapse movie 2008-2020), 



    
        

            DetlefHartmann