Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  B85  ·  HD164225  ·  HD164294  ·  HD164384  ·  HD164402  ·  HD164452  ·  HD164492  ·  HD164514  ·  HD164534  ·  HD164637  ·  HD164703  ·  HD164704  ·  HD164717  ·  HD164739  ·  HD164766  ·  HD164833  ·  HD164844  ·  HD164864  ·  HD164883  ·  HD313569  ·  HD313570  ·  HD313578  ·  HD313580  ·  HD313581  ·  HD313582  ·  HD313583  ·  HD313584  ·  HD313585  ·  HD313595  ·  HD313596  ·  And 46 more.
Getting plate-solving status, please wait...
Trifid Nebula (M20) & Webb's Cross (M21), Don Alm
Powered byPixInsight

Trifid Nebula (M20) & Webb's Cross (M21)

Getting plate-solving status, please wait...
Trifid Nebula (M20) & Webb's Cross (M21), Don Alm
Powered byPixInsight

Trifid Nebula (M20) & Webb's Cross (M21)

Equipment

Loading...

Acquisition details

Loading...

Description

The Trifid Nebula (M20) is the bright nebula with the three-lobed appearance in the center of the frame, and it is located about 5,200 light years from us. Webb's Cross (M21) is the open cluster in the upper right of the frame, and it is located about 3,900 light years from us.

I captured this image on June 21, 2022, and I reprocessed it in PixInsight software on December 21, 2022.

Total Integration Time: 57 minutes, 40 seconds (173 frames)
Focal Length: 400mm
Exposure Time: 20 seconds
Aperture: f/6
ISO: 2000

Comments

Sky plot

Sky plot

Histogram

Trifid Nebula (M20) & Webb's Cross (M21), Don Alm

In these collections

Nebulae