Trifid and Lagoon Nebula


Trifid and Lagoon Nebula

This is a wide field image I captured of the Trifid Nebula and Lagoon Nebula in the constellation Sagittarius. No filters were used in these images and it was imaged with the ZWO ASI2600mc-pro (OSC camera) from my Bortle 3 backyard in the Northern Adirondacks, in Upstate New York.

Trifid Nebula (Messier 20/NGC 6514) is a star forming region. The most massive star in this region is HD164492A, which has a mass of more than 20 times the mass of our sun and is surrounded by a cluster of approximately 3100 young stars. It is approximately 5000 light years away from Earth. Trifid Nebula is approximately 42 light years across and has an apparent magnitude of +6.3.

Lagoon Nebula (Messier 8/NGC 6523) is an emission nebula and is a giant interstellar cloud of ionized gases. It is approximately 5000 light years away from Earth. Lagoon Nebula has a diameter of approximately 110 light years by 50 light years, and has an apparent magnitude of +6.

Labeled by Astrometry.net

Image details:

The two smaller images of Trifid and Lagoon Nebula were cropped from the wide field image. The wide field image was imaged with:

Celestron 9.25” EdgeHD

Starizona Hyperstar V4 f2.2

Celestron CGEM DX mount

ZWO ASI2600mc-pro Imaging Camera

ZWO ASI224mc Guide Camera

Svbony 60mm Guidescope 

ZWO ASIair Pro for image acquisition and gear control.


Image Specs:  50 x 180 second exposures Gain 100

Camera sensor cooled to 0°C

No filters used as the ASI2600mc-pro has the built in IR cut window.

Calibrated (with darks, flats, dark flats) and stacked in APP 

Post processed in PixInSight


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Designed & Maintained By: Kate Quinn

©2020 by Tim Connolly / Connolly Astronomy / AstroNorth.com