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Simeis 147, 


            Gabe Shaughnessy
Simeis 147

Simeis 147

Technical card

Resolution: 6306x5040

Dates:Dec. 6, 2018Dec. 9, 2018Dec. 17, 2018

Chroma Ha 3nm: 28x900" bin 1x1
Chroma LRGB: 24x180" bin 1x1

Integration: 8.2 hours

Avg. Moon age: 13.35 days

Avg. Moon phase: 24.92% job: 2427601

RA center: 85.135 degrees

DEC center: 27.963 degrees

Pixel scale: 2.271 arcsec/pixel

Orientation: 181.389 degrees

Field radius: 2.546 degrees

Data source: Backyard


Simeis 147 is a large supernova remnant on the border of the constellations Auriga and Taurus. It has very low surface brightness, making it near impossible to observe directly, and was only discovered in 1952 with a 25 inch SCT. This Spaghetti Nebula lends its name to the filamentary structure of gas emission throughout the nebula. It has an apparent diameter of nearly 3 degrees, and is approximately 3000 light years away. It's thought that this remnant was formed 40000 years ago and now leaves a very strong radio signal from its host pulsar.



Gabe Shaughnessy

Sky plot

Sky plot


Simeis 147, 


            Gabe Shaughnessy