B33
Horsehead Nebula
Object
Cross Reference
Common Name
Object Type
Constellation
English Name
B33
LDN 1630
Horsehead Nebula
DN (Dark Nebula)
Orion
The Hunter
RE
DEC
Size
Magnitude
Morphology
Distance
Extends
Age
1605h 40m 52s
-02° 27′ 00″
4.0′
n/a
n/a
800 ly
1 ly
5 billion years
Location
Mount
Telescope
Type
Camera / CCD
Filter
Kelling Heath, North Norfolk
Sky-Watcher AZ-EQ6GT
Atlair Astro Lightwave
66ED-R refractor
CCD Atik 414ex (mono)
Luminance (Lum)
.
Notes – Barn 33
– B33, LDN 1630, Horsehead Nebula
– high opacity
– a very difficult object to detact visually
– usually requiring moe than a 12-inch aperture
– a very dark skies
– a H-Beta filter is very helpful
– the dark nebula is seen in silhouette against the bright nebula IC 434
.
Notable features
– IC 434
.
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