SkyRef / Constellations

The Serpens Cauda constellation

Best placed in April. It straddles the celestial equator, so it is visible from essentially anywhere on Earth at the right time of year.

Where and when

Best monthApril
Right ascension18.7h
Declination+3°
Line segments1

Finding it

Serpens Cauda is centred near right ascension 18.7 hours, declination +3°. It straddles the celestial equator, so it is visible from essentially anywhere on Earth at the right time of year.

It reaches its highest point in the sky around local midnight in April, which is when it is easiest to pick out. Earlier in the year it rises before dawn; later, it is already setting in the evening.

Bright stars in this part of the sky

StarMagnitudeCatalogue
Altair0.77HR 7557
Rasalhague2.08HR 6556

See it on the live map

SkyRef draws Serpens Cauda in its real position for wherever you are, right now, along with the other 88 IAU figures.

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Other constellations

AndromedaAntliaApusAquariusAquilaAraAriesAurigaBoötesCaelumCamelopardalisCancerCanes VenaticiCanis MajorCanis MinorCapricornusCarinaCassiopeiaCentaurusCepheusCetusChamaeleonCircinusColumbaComa BerenicesCorona AustrinaCorona BorealisCorvusCraterCruxCygnusDelphinusDoradoDracoEquuleusEridanusFornaxGeminiGrusHercules