Star profile
Omicron Draco
Variable starWhat is Omicron Draco
Omicron Draconis is a variable orange giant some three hundred and forty light-years away, set in the long serpentine body that coils around the north celestial pole. Draco never sets for European observers: it turns with thousand-year patience around the pole star, and Omicron follows that motion like a steady ember pulsing slowly in its furthest scale.
Where it is and when to see it
Omicron Draco lies in the northern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is August, when it culminates around midnight.
- From London it never sets and culminates about 82° up.
- From New York it never sets and culminates about 71° up.
- From Sydney it never rises above the horizon.
It can be seen from anywhere north of 31° S.
It ranks no. 21 in brightness among the 122 stars of Draco in our catalogue. To find it, start from Eltanin, the brightest: it lies about 11° away (a fist at arm's length covers about 10°).
The light you see today left it about 340 years ago.
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Astronomical data for Omicron Draco
- Constellation
- Draco
- Apparent magnitude
- 4.63
- Distance
- 341.9 light years
- Coordinates (J2000)
- RA 282.800° · Dec 59.388°
- Catalogue
- HIP 92512 · HD 175306
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Other stars in Draco
Draco has 122 stars in Stelvia's catalogue. Here are a few of them.
- EltaninGamma Draco2.24
- AthebyneEta Draco2.73
- RastabanBeta Draco2.79
- DzibanPsi 1 Draco4.57
- 10 Draco4.58
- Pi Draco4.60
- AlsafiSigma Draco4.67
- Omega Draco4.77