LDN 639 (Dark nebula)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 70 arcminutes across.
From South El Monte , LDN 639 will become visible at around 17:58 (PST), 52° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 22:31.
|
Name
LDN 639
|
Object type
Dark nebula
|