Optical double stars
type: Concept
broader: Optical observation

Optical observation
type: Concept
contributor: AAS Frey.Katie Admin
modified: 2020-12-16T20:46:30.456Z
alternative label: Visual observation
broader: Astronomical techniques
narrower: Optical double stars
narrower: Center to limb observations
scope note: Astronomy using the (human) eye as the primary detector; this includes both naked-eye observations and observations through telescopes without further instrumentation (like cameras, spectrographs, etc).

Astronomical techniques
type: Concept
narrower: Optical observation

Center to limb observations
type: Concept
broader: Optical observation
preferred label: Centre to limb observations