Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  M 20  ·  M 21  ·  NGC 6514  ·  NGC 6531  ·  Trifid nebula
M20, JACL-Mono-Hα
M20
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M20

M20, JACL-Mono-Hα
M20
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M20

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Description

M20, Trifid Nebula.

Distance 5500 light years in the constellation Sagittarius.

It is a nebula of emission, absorption and reflesion with the bottom of the open cluster M21 and very close to M8 nebula of the lagoon.

39x220 ", Bin1, -20c, offset 10, gain 250.

ZWO 183mc Pro camera.

TS 80/560 tube

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M20, JACL-Mono-Hα