Hemisphere:  Northern  ·  Constellation: Taurus (Tau)  ·  Contains:  Crab nebula  ·  M 1  ·  NGC 1952
Getting plate-solving status, please wait...
M 1: Crabb Nebula, 


            José J. Chambó
M 1: Crabb Nebula
Powered byPixInsight

Technical card

Imaging telescopes or lenses: Meade ETX-70

Imaging cameras: Canon EOS 350D / Digital Rebel XT

Mounts: LXD75

Software: DeepSkyStacker  ·  PixInsight LE

Dates:March 17, 2010

Frames: 10x90" (15') ISO400

Integration: 15'

Darks: 10

Flats: 10

Bias: 10

Avg. Moon age: 1.50 days

Avg. Moon phase: 2.54%

Bortle Dark-Sky Scale: 6.00

Mean SQM: 18.20

Basic astrometry details

Astrometry.net job: 133603

RA center: 05h34m31s.9

DEC center: +22°0119

Pixel scale: 3.401 arcsec/pixel

Orientation: -87.745 degrees

Field radius: 0.620 degrees

Resolution: 620x496

Locations: Vallés - Valencia (Spain), Vallés, Valencia, Spain


The Crabb Nebula is a remanent from a supernova explosion happened at 1054, it was visible during 22 months in the constellation of Taurus and registered by chinese, arabic and anasazi astronomers when Occident was sunk into deep of Middle Age. With this object (M 1) Charles Messier started at 1758 your catalogue of objects with cometary appearance for differentiate its. This nebula with 6 light-years diameter and wich continue expanding it to 1.500 Km/sec., contains in it center a pulsar that spin around itself 30 times a second.

More info into the Blog  C O M E T O G R A F I A(in Spanish)


Sky plot

Sky plot


M 1: Crabb Nebula, 


            José J. Chambó