Messier 1 (NGC 1952 – The Crab Nebula) from my own backyard and remote
The Crab Nebula (Messier 1, NGC 1952) is a supernova remnant located in the constellation Taurus. It is the expanding cloud of gas and dust left behind by a massive stellar explosion recorded by Chinese astronomers in 1054 AD. The nebula’s intricate filaments and central pulsar make it one of the most fascinating remnants in the night sky.
In 2015, I captured my most recent images of this object from my own backyard. The data calibration and registration, as well as the final image processing, were performed entirely in PixInsight.
The result was as follows:


In this image you can find some quasars. The one with the highest redshift is:
WISEA J053434.35+220313.6 with a redshift of 2.20.
The images were taken with the following equipment:
- Date: 2015
- Location: Krefeld, Germany
- Telescope: 10″ Newton ohne Namen
- Focal length [mm]: 1000
- Focal ratio: 3.9
- Mount: Losmandy G11
- Camera: Moravian FW8300
- Filter: R:G:B:Hα:[OIII]
- Exposure time [min]: 60:60:55:120:130
- Resolution: 1.12″/px
In 2011 I also took images of M1 from myown backyard and combined then with data from the no longer existing remote observatory Lightbuckets in New Mexico. The data calibration and registration was done with DeepSkyStacker and the final processing was done with PixInsight. The result was as follows:

The images were taken with the following equipment:
- Date: 2011
- Location: Krefeld, Germany and New Mexico
- Telescope: Orion 10″ Newton – ASA 8″ Astrograph
- Focal length [mm]: 1200 – 720
- Focal ratio: 4.8 – 3.6
- Mount: NEQ6 – ASA DDM 85
- Camera: Canon 500Da – Apogee Alta U8300
- Filter: OSC:Hα:[OIII]
- Exposure time [min]: 175:55:55
- Resolution: 0.81″/px – 1.5″/px
First succesful images of this object I took in 2009 from my own backyard. The data calibration and registration was done with DeepSkyStacker and the final processing was done with PixInsight. The result was as follows:

The images were taken with the following equipment:
- Date: 2009
- Location: Krefeld, Germany
- Telescope: 8″ GSO Newton
- Focal length [mm]: 800
- Focal ratio: 4
- Mount: Skywatcher NEQ6
- Camera: Canon 300Da
- Filter: OSC
- Exposure time [min]: 180
- Resolution: 1.18″/px

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