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A Trifle and a Cross – Messier 20, the Trifid Nebula and Messier 21, Webb’s Cross

Messier









Messier catalog (110 objects)









Name

RA(deg)

Dec(deg)

Magnitude

Diameter

Common name

NGC/IC

PGC


M20

270.675001

-22.971667

6.3

0.48

Trifid Nebula

NGC6514



M21

271.036001

-22.505

5.9

0.22


NGC6531












NGC-IC









NGC and IC catalogs (9933 objects)









Name

RA(deg)

Dec(deg)

Magnitude

Diameter

Common name

PGC

PGC2

Messier

NGC6514

270.675001

-22.971667

6.3

0.48

Trifid Nebula



M20

NGC6531

271.036001

-22.505

5.9

0.22




M21










Sharpless









Catalog of HII Regions - Sharpless (313 nebulaes)









Name

RA(deg)

Dec(deg)







Sh2-30

270.892484

-23.015365
















LBN









Lynds' Catalogue of Bright Nebulae (Lynds, 1965) (1125 objects)









Name

RA(deg)

Dec(deg)

Other name






LBN 27

270.508751

-22.999444

NGC 6514















LDN









Lynds' Catalogue of Dark Nebulae (Lynds, 1962) (1791 objects)









Name

RA(deg)

Dec(deg)







LDN 232

271.257917

-22.829167
















Barnard









Barnard's Catalog of Dark Objects in the Sky (349 objects)









Name

RA(deg)

Dec(deg)







B85

270.605001

-23.0208








20250922

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