Zdobienie / Decoration

M81 / NGC 3031 – Bode’s Galaxy & Cigar Galaxy / M82 / NGC 3034

Zdobienie / Decoration

M81 / NGC 3031 – Bode’s Galaxy & Cigar Galaxy / M82 / NGC 3034

M81- M82 - NGC 3077

This is my first photographic attempt to M81. I’ve collected a lot of photographic material (about 10 hours) but also a lot of it I had to removed due to windy nights and after the first pre-selection I had about 8 hours of photographic material. At the stage of stacking, another 30% had to remove of material remaining based on quality algorithm, which I finally stack together. At the last photo session I noticed that so far, each time I focused the image not well enough.

Bode's Galaxy / M81 / NGC 3031

Due to the coma around the frame, where M82 is located, I will have to plan a separate photo session for M82.

Some information about the galaxy itself – is a grand design spiral galaxy about 12 million light-years away, with a diameter of 90,000 light years, about half the size of the Milky Way, in the constellation Ursa Major. Due to its proximity to Earth, large size and active galactic nucleus (which harbors a 70 million M supermassive black hole), Messier 81 has been studied extensively by professional astronomers. The galaxy’s large size and relatively high brightness also makes it a popular target for amateur astronomers.

Below right, near the end of frame you can see NGC 3077 – is a small disrupted elliptical galaxy.

Below left from the frame you can see also M82 / NGC 3034 – Cigar Galaxy – a barred spiral galaxy. In the infrared range, it is the brightest galaxy in the sky. Messier 82 is a star storm galaxy, which means it has an intense process of forming new stars.

Cigar Galaxy / M82 / NGC 3034

Source: https://en.wikipedia.org/wiki/Messier_81 , https://en.wikipedia.org/wiki/Messier_82 , https://en.wikipedia.org/wiki/NGC_3077

 

  • Composition: Astro Pixel Processor (Linux),
  • Processing: GIMP + plug-ins (Linux),
  • Lights: 5[h] – ISO 1000,
  • Flats, Darks, Bias.

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