Celestial hemisphere:  Northern  ·  Constellation: Vulpecula (Vul)  ·  Contains:  Dumbbell Nebula  ·  M 27  ·  NGC 6853  ·  The star 14 Vul
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Messier 27 (Dumbbell Nebula) with its spectrum, Maciej Pilarczyk
Messier 27 (Dumbbell Nebula) with its spectrum
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Messier 27 (Dumbbell Nebula) with its spectrum

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Messier 27 (Dumbbell Nebula) with its spectrum, Maciej Pilarczyk
Messier 27 (Dumbbell Nebula) with its spectrum
Powered byPixInsight

Messier 27 (Dumbbell Nebula) with its spectrum

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Description

Back in the days, when I was in high school, I had the opportunity to moderate a project, whose one of the main goals was to approximate chemical composition of one of the nebulae. We attached out StarAnalyzer to a DSLR and shot 1H of data on M27. You can clearly see blue line of Oxygen and dimmer red spot of Hydrogen.

I also added arduino-based guiding to my EQ3-2, it allowed me to shoot longer subs, with average guiding error of 1.5''.

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Messier 27 (Dumbbell Nebula) with its spectrum, Maciej Pilarczyk