Description

The first object in the Messier catalog is the most famous known supernova remnant.
The supernova of the central star was observed on July 4 in the year 1054 AD. The exact year of the supernova is known because it was recorded by Chinese astronomers.

The distance to the “Crab Nebula” in the constellation Taurus is 6.300 light years.
Charles Messier cataloged this object on September 12, 1758.

Other versions

Previous/older images:

Dec 25, 2008 – Canon 20D (10″ Newt. 2h 12m – Asteroid 86 Semele, top right)

Image data

Object info
Name M1 – The Crab Nebula
Type Supernova remnant
Constellation Taurus
Right ascension 05h 34m 32s
Declination +22° 00′ 52″
Distance 6.300 ly
Other designations NGC1952
Image info
Image date Dec. 12, 2017
Light frames 12x 8 min. 7nm Ha unbinned added to 2008 DSLR color version
Total integration 3h 48m
Dark frames 18x
Flat frames none
Bias frames 40x
Software used SGPro, PHD2 Guiding, DeepSkyStacker, Registar, Photoshop CS6
Processing Focusing and image acquisition was done using Sequence Generator Pro.
All separate frames were calibrated, aligned and stacked in DeepSkyStacker.
DSLR and Ha images were aligned in Registar prior to combining into new LRGB.
Photoshop CS6 was used for further processing.
Equipment info
Telescope Orion Optics SPX 10″ Newton
Corrector Televue 2″ Paracorr coma corrector (FL: 1.380mm f/5.43)
Mount Losmandy G-11 Gemini
Camera SBIG ST-8300M
Guide camera Astrolumina ALccd5-II (Mono)
Guide scope Vixen VMC110L f/9.4
Autoguide software PHD2 Guiding
Filters Baader 2″ 7nm Ha, Baader 2″ RGB + IDAS LPS-P2
Location Landgraaf, The Netherlands
Image comments

Autoguiding issues