Sh 2-44

Sharpless 2-44
Emission nebula
H II region
Observation data: epoch
Right ascension	18h 17m 00s
Declination	−16° 49′ 08″
Distance	3650 pc
Apparent dimensions (V)	60' x 40'
Constellation	Sagittarius
Designations	IC 4701, Gum 79, RCW 157, NRL 18, LBN 56
	See also: Lists of nebulae

Last updated October 11, 2025

Sh 2-44 is an nebula in Sagittarius. It is also known by the designation IC 4701. It is located in the Sagittarius arm of the milky way. NGC 6596 is an open cluster that is in the direction of Sh 2-44, however is an unrelated foreground object.^[3] It is located about three degrees away from the much more famous nebula Messier 17.^[4]

It is a large star-forming region, and is ionized by the many new stars it has formed. ^[5]

Discovery

Sh 2-44 was discovered in August 1905 by Edward Emerson Barnard.^[6]

References

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[1] "Ic 4701".

[2] "Search | Deep⋆Sky Corner".

[3] "Sh 2-44".

[4] "SH2-44 (Sharpless 44)".

[5] "Plunge into a stellar ocean".

[6] "VLT Survey Telescope Sees Newly-Born Stars in IC 4701 | Sci.News". 7 March 2023.

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v t e Gum Catalog
Colin Stanley Gum
Gum 1 Gum 2 Gum 3 Gum 4 Gum 5 Gum 6 Gum 7 Gum 8 Gum 9 Gum 10 Gum 12 Gum 13 Gum 14 Gum 15 Gum 16 Gum 17 Gum 18 Gum 19 Gum 20 Gum 21 Gum 22 Gum 23 Gum 24 Gum 25 Gum 26 Gum 27 Gum 28 Gum 29 Gum 30 Gum 31 Gum 32 Gum 33 Gum 34 Gum 35 Gum 36 Gum 37 Gum 38 Gum 39 Gum 40 Gum 41 Gum 42 Gum 43 Gum 44 Gum 45 Gum 46 Gum 47 Gum 48 Gum 49 Gum 50 Gum 51 Gum 52 Gum 53 Gum 54 Gum 55 Gum 56 Gum 57 Gum 58 Gum 59 Gum 60 Gum 61 Gum 62 Gum 63 Gum 64 Gum 65 Gum 66 Gum 67 Gum 68 Gum 69 Gum 70 Gum 71 Gum 72 Gum 73 Gum 74 Gum 75 Gum 76 Gum 77 Gum 78 Gum 79 Gum 80 Gum 81 Gum 82 Gum 83 Gum 84 Gum 85
See also: Gum Nebula