EQUATORIAL SYSTEM · J2000.0
Read and locate RA / Dec.
Connect coordinate notation with a position on the sky. North is up and right ascension increases toward the left.
READ · STANDARD
Read the marked position.
NJ2000.0RA ←
Place the marker at the coordinate
00h 00m · +00.0°
Marker: 12h 00m · +00.0°
Click or drag on the chart. Arrow keys move the selected marker; Shift takes a larger step.
Click or drag on the chart. Arrow keys move the selected marker; Shift takes a larger step.
—+0
Submitted—
Correct—
Great-circle error—
RA / Dec errors—