Menu

HIP 30422 — Double Star in Monoceros

Magnitude 6.7m DoubleStar Monoceros (Mon) Visible
Star Map
+ List + Plan Star Hop

Observe

1Physical Properties

Magnitude 6.72
Spectral Type F5V
Star Color Yellow-white (B-V 0.45)
Distance 130 ly

2Position & Identifiers

RA 06h 23m 46.5s
Dec +04° 35' 44.0"
Constellation Monoceros (Mon)
HR 2299
HIP 30422
HD 44770
SAO 113811
Double Cat 5012
SIMBAD

3How easy to split?

Primary 6.7 mag Companion 6.6 mag Separation 12.1″
Sign in and configure your equipment and default location to see a personalized row.
Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Easy Easy Easy
150mm Newt. Easy Easy Easy
C8 203mm Easy Easy Easy
Easy Medium Hard Very hard Impossible

Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs

4Visibility

Set a location in User Settings to see visibility data.

Best season Nov – Jan (peak: Dec)

5Multiple Star System Triple

Components 3 (triple)
Component IDs AB
Separation 12.1″
Companion Mag 6.6
Position Angle 29°
Star Colors A: Yellow-white B: Yellow-white
See HR 2298.

Eyepiece View

Log in to set your own equipment
80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 29°

A: 6.7 · B: 6.6 · Sep: 12.1″ · PA: 29° · N up, E right

Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″

Explore

6

Size Comparison

Querying VizieR for stellar data…
7

Compare Stars

8

Spectral Classification

9

Hertzsprung-Russell Diagram

Loading HR diagram…
Read: The Hertzsprung-Russell Diagram — Reading Stars Like a Map
10

Stellar Lifecycle

11

Blackbody Spectrum

12

Stellar Absorption Spectrum

Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.

13

Stellar Fusion

Discover

14

Light Travel Time Machine

15

Relativistic Travel

Nearby in the Sky

Other targets within a few degrees — pan your scope a little and keep exploring.

Visibility scores assume a 150 mm Newton at Bortle 4.

Epsilon Mon
Easy
Easy double, sep 12.1″
Double Star mag 4.44 0.0° Monoceros
Collinder 92
Easy
Open cluster
Open Cluster mag 9.3 0.6° Orion
Rosette Nebula
NGC 2237
Medium+
Emission nebula — try an OIII filter
Emission Nebula mag 6.0 2.0° Monoceros
T Mon
Easy
Pulsating variable, period 27.0d
Variable Star mag 5.98 2.5° Monoceros
15 Mon
Medium+
Easy double, sep 3.0″
Double Star mag 4.66 6.8° Monoceros
Show on Map

Explore Nightbase

Related knowledge, tools, and stories — no observation planning required.

Double Stars — A Guide for Observers
Two suns where one appeared — how to find, split, and appreciate the night sky's finest pairs. From Albireo's gold-and-blue to the Sirius B challenge.
Article
Monoceros
Mythology, bright stars, and deep-sky highlights.
Constellation
Venus
Phases, transits, and the brightest planet in the sky.
Deep dive
}