The Gamma Cygni Nebula (IC1318)

Image of the Gamma Cygni Nebula
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
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From South El Monte , the Gamma Cygni Nebula is visible all night. It will become visible at around 21:03 (PDT), 24° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 02:48, 83° above your northern horizon. It will be lost to dawn twilight at around 04:44, 66° above your north-western horizon.

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Name The Gamma Cygni Nebula (IC1318)
Object type Star
Other names
The Gamma Cygni Nebula
The Butterfly Nebula
IC 1318[1]
LBN 251[2]
Position
Right ascension:20h22m13s [1]
Declination:+40°15'24" [1]
Constellation:Cygnus
Magnitude:2.23 (V) [1]
2.90 (B) [1]
1.11 (J) [1]
0.83 (H) [1]
0.72 (K) [1]
Angular dimensions:40.0 arcmin
B-V Color (mag):0.67
Sources
Visibility from South El Monte

All times shown in South El Monte local time.

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South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PDT

Color scheme


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Last updated: 28 Jun 2026, 18:16 UTC
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