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M1 The Crab Nebula

The first of the Messier objects. This emission nebula was created in 1054 when a star exploded. This supernova was observed by Chinese astronomers and was recorded to have been visible to the naked eye during the day for 23 days and in the nighttime sky for two years. The surviving star is a neutron star or a pulsar , and is spinning round at 30 revolutions per sec.



M1 Crab Nebula
R.A.05h 34m 48.705s (2000.0)
Dec.+22° 01' 18.93" (2000.0)
Apparent Size6.0' x 4.0'
Radial VelocityN/A
Magnitude+8.4
Distance6300 LY
Group of GalaxiesWithin Milky Way
Other IDsM1
NGC 1952





m1.jpg

Scope 5" mn-56 Matsukov Newtonian
Mount Vixen GP-DX unguided
Exposure207 x 1 min
Post-processingAA3, Dark framed,DDP, sharpening.
FiltersAstronomik 653 nm Ha Filter 13nm bandpass
CameraStarlight Express hx516
Location Claines
Date11th , 17th and 19th of December 2004

First use of my new Ha filter. 207 x 1 min completed over 3 nights - 11,17 & 19th of december.