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Contains:  M 1, Crab nebula, NGC 1952
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The Crab Nebula, M1, NGC 1952, Taurus A, 


            Steven Bellavia
The Crab Nebula, M1, NGC 1952, Taurus A

The Crab Nebula, M1, NGC 1952, Taurus A

Technical card

Resolution: 3568x2676

Dates:Jan. 14, 2019Dec. 23, 2019

Astronomik 6nm OIII: 36x300" (gain: 140.00) -15C bin 1x1
Optolong 7nm Ha 2": 31x300" (gain: 100.00) -15C bin 1x1

Integration: 5.6 hours

Darks: ~30

Flats: ~30

Flat darks: ~30

Avg. Moon age: 17.16 days

Avg. Moon phase: 30.46%

Bortle Dark-Sky Scale: 4.00

Mean SQM: 20.00

Mean FWHM: 2.00

Temperature: -3.00 job: 3148333

RA center: 5h 34' 32"

DEC center: +22° 0' 54"

Pixel scale: 0.488 arcsec/pixel

Orientation: 184.135 degrees

Field radius: 0.303

Data source: Backyard


The crab nebula, (M1, NGC 1952, Taurus A), is a supernova remnant from a star that exploded in 1054 AD, and was visible during the daytime for 23 days.
The glowing dust and gas of the remains of this star can be seen with a small telescope in the constellation Taurus, close to the very visible, though unnamed, magnitude 3.0 star, Zeta Tauri. The crab nebula is 6,500 light years away.
A rapidly spinning neutron star (the ultra-dense core of the exploded star) is embedded in the center of the Crab Nebula. Electrons whirling at nearly the speed of light around the star’s magnetic field lines produce the eerie blue light in the interior of the nebula. The neutron star, like a lighthouse, ejects twin beams of radiation that make it appear to pulse 30 times per second as it rotates.



Steven Bellavia
License: None (All rights reserved)

Sky plot

Sky plot


The Crab Nebula, M1, NGC 1952, Taurus A, 


            Steven Bellavia