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HIP 60994 — Double Star in Corvus

Magnitude 6.3m DoubleStar Corvus (Crv) Visible
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1Physical Properties

Magnitude 6.35
Spectral Type G0V
Star Color Yellow (B-V 0.56)
Distance 67 ly

2Position & Identifiers

RA 12h 30m 04.8s
Dec -13° 23' 35.0"
Constellation Corvus (Crv)
HR 4758
HIP 60994
HD 108799
SAO 157326
Double Cat 8573
SIMBAD

3How easy to split?

Primary 6.4 mag Companion 9.6 mag Separation 2.1″
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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. V. hard+ V. hard+ V. hard+
150mm Newt. Hard+ Hard+ Hard+
C8 203mm Medium Medium Medium
Easy Medium Hard Very hard Impossible

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

4Visibility

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Best season Feb – Apr (peak: Mar)

5Multiple Star System Quadruple

Components 4 (quadruple)
Component IDs AB
Separation 2.1″
Companion Mag 9.6
Position Angle 351°
Star Colors A: Yellow B: Orange
Discoverer BU 28
AB 6.5 G0V, 8.6, 161.53y, a = 1.385".

Separation over time

Period: 150.9 y Eccentricity: 0.702 Now: 2.1", PA 353° -0.03" in 5 years
0.00" 0.61" 1.2" 1.8" 2.5" 2025 2030 2035 2040 2045 2.1"

Apparent separation over time, computed from ORB6 orbital elements. Steep curves indicate fast-changing pairs — catch them while they're splittable.

Eyepiece View

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80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 351°

A: 6.3 · B: 9.6 · Sep: 2.1″ · PA: 351° · N up, E right

At limit · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″

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6

Size Comparison

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7

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8

Spectral Classification

9

Hertzsprung-Russell Diagram

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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

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14Stellar Notes

0.042".
15

Light Travel Time Machine

16

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.

M104
Sombrero Galaxy
Easy
Bright spiral galaxy
Galaxy mag 8.0 3.0° Virgo
NGC 4361
Hard+
Planetary nebula — try an OIII filter
Planetary Nebula mag 10.0 5.6° Corvus
Psi Vir
Easy
Cool red giant
Double Star mag 4.79 7.1° Virgo
Show on Map

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