Three of a Perfect Pair – Messier (M81), Messier 82 (M82), and Holmberg IX

Messier

Messier catalog (110 objects)

Name

RA(deg)

Dec(deg)

Magnitude

Diameter

Common name

NGC/IC

PGC

M81

148.888218

69.065295

6.94

0.36

Bode's Galaxy

NGC3031

PGC28630

M82

148.968457

69.679703

8.41

0.18

Cigar Galaxy

NGC3034

PGC28655

NGC-IC

NGC and IC catalogs (9933 objects)

Name

RA(deg)

Dec(deg)

Magnitude

Diameter

Common name

PGC

Messier

NGC3031

148.888218

69.065295

6.94

0.36

Bode's Galaxy

PGC28630

M81

NGC3034

148.968457

69.679703

8.41

0.18

Cigar Galaxy

PGC28655

M82

ARP

ARP catalog (592 galaxies)

Name

RA(deg)

Dec(deg)

CommonName

Magnitude

MType

VTmag

ARP337

148.964999

69.679444

MESSIER 82

8.4

I0

8.4