Rho Ophiuchi Cloud

Posted: Oct 4th, 2026

Show astrometry on hover

NGC

Technical Info

Telescope/Lens: Samyang 135 mm. f/2 ED

Camera: Canon 550da

Mount: SW AZ-GTI

Software: PixInsight

Exposure:

340 x 30" ISO/Gain: 0

Gray, Bortle 2 zone:

Respublika Kalmykiya, Russia

Aug 13th, 2026

2 h 50 m

Resolution: 4752x3230 px

Scale: 4332 KB

Antares (left of center) is surrounded by the blue reflection nebulae IC 4604 and IC 4605, globular clusters M4 and NGC 6144 — both near Antares.

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