Catalogue
and alternative designations |
NGC 1535,
"Cleopatra's eye"
|
Type |
Planetary
nebula |
Position |
04
14 16, -12 44 32 |
Constellation |
Eridanus |
Camera
and Telescope |
STXL6303
and 36.8 cm Ritchey Chretien |
Focal
Ratio |
F9 |
Exposure
Details |
This
is a LHaOIIIRGB image with
Luminance = 25 minutes, Hydrogen Alpha =
200 minutes, O III = 180 minutes
and Red =
Green = Blue = 30 minutes.
All unbinned
|
Description |
This
is a relatively small planetary
nebula (39") in Eridanus.
The magnitude is 10.5 and the
distance estimated to be between
5500 and 7500 light years. It's
sometimes called Cleopatra's eye
presumably because of the
blue-green colour which
indicates OIII emission
|