LBN 577 (HII region)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 20 arcminutes across.
From South El Monte , LBN 577 is visible in both the dusk and dawn skies. In the evening, it will become visible at around 19:57 (PDT), 26° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 20:50 when it dips 21° above your north-western horizon. At 05:56, it will return to an altitude of 21° above your north-eastern horizon, and reach an altitude of 22° before fading from view as dawn breaks at around 06:02.
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Name
LBN 577
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Object type
HII region
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Position
| Right ascension: | 00h01m [1] |
| Declination: | +64°39' [1] |
| Constellation: | Cassiopeia |
| Angular dimensions: | 20.0 arcmin |