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Contains:  M 1, Crab nebula, NGC 1952

Image of the day 01/04/2018

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Crab Nebula (one decade time-lapse movie), 


Crab Nebula (one decade time-lapse movie)

Crab Nebula (one decade time-lapse movie)

Technical card

Imaging telescope or lens:Selfmade 443/2048 Newtonian f4.6

Imaging camera:SBIG ST-10 XME


Guiding telescope or lens:Selfmade 443/2048 Newtonian f4.6

Guiding camera:SBIG ST-10 XME


Filter:SBIG CFW-9

Accessories:SBIG AO-8Baader RCC-1 Coma Corrector

Resolution: 1920x1080

Dates:Sept. 29, 2008Sept. 23, 2009Sept. 12, 2010Sept. 26, 2011Sept. 16, 2012Oct. 5, 2013Sept. 22, 2014Sept. 12, 2015Sept. 28, 2016Nov. 1, 2016Sept. 22, 2017

Frames: 386x300" -25C

Integration: 32.2 hours

Avg. Moon age: 11.52 days

Avg. Moon phase: 6.06%

Bortle Dark-Sky Scale: 2.00

Mean SQM: 21.40

Mean FWHM: 2.26 job: 1870879

RA center: 83.636 degrees

DEC center: 22.016 degrees

Pixel scale: 0.343 arcsec/pixel

Orientation: 0.080 degrees

Field radius: 0.105 degrees

Data source: Own remote observatory


Over the past 10 years I have worked to create my "astronomical lifework" at my remote observatory at the "Emberger Alm" in Austria. The same equipment (0.44 m Newtonian telescope, SBIG ST-10 XME, AO-8) was used all the time. Now eventually I have finished the "Crab Nebula one decade time-lapse movie". 386 single L (bin 1x1), R (bin 2x2), G (bin 2x2), B (bin 2x2) frames with a total integration time of 32 hours were combined with 10239 calibration frames (bias, darks, flats) into 10 color images, one for each year from 2008 to 2017. Strong high dynamic range processing and sharpening reveals the versatile movements of the white synchrotron radiation beside the normal expansion of the red filaments. The 10 color images were finally combined to an animated gif with a frame duration of 150 msec.

Please click at the image to see the animation in full detail!

A short video with music you can find at: video with music on vimeo

Some simple science you can find at: Crab Nebula (some simple science)

A new video with music Crab Nebula (computed Expansion 1950 - 2100) is based on the 386 real images with a total integration time of 32 hours, recorded in the years 2008 - 2017.



License: None (All rights reserved)

Sky plot

Sky plot


Crab Nebula (one decade time-lapse movie),