Object
Cross Reference
Common Name
Object Type
Constellation
English Name
LDN 1630
B33
Horsehead Nebula
n/a
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 – LDN 1630
-Â LDN 1630, B33, Horsehead Nebula
-Â high opacity
-Â a very difficult object to detact visually
-Â usually requiring moe than a 12-inch aperture
-Â a very dark skies
-Â a H-Beta filter is very helpful
-Â the dark nebula is seen in silhouette against the bright nebula IC 434
.
Notable features
-Â B33 (Horsehead Nebula)
.
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