LBN 643 (HII region)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From South El Monte , LBN 643 is visible all night because it is circumpolar. It will be highest in the sky at dusk, becoming accessible at around 20:15 (PDT), 34° above your north-western horizon. It will be lost to dawn twilight at around 05:31, 17° above your northern horizon.
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Name
LBN 643
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Object type
HII region
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Position
| Right ascension: | 02h51m [1] |
| Declination: | +68°52' [1] |
| Constellation: | Cassiopeia |
| Angular dimensions: | 3.0 arcmin |