|
Object |
NGC 6164-
5 (aka) cederblad 135a & b |
|
Info |
NGC 6164- 5 is a
'Bipolar' Nebula emission. situated in the southern constellation
of Norma, close to the border of Ara. The bright central star
catalogue no. HD 148937 is an 'O' type 7f star being much
younger than typical type 'O' stars. It is embedded in extremely young
wind-blown interstellar (IS) bubble which is predominantly made up of HII
gas. The age of this emission is determined by the lack of oxygen there in
and is recently found to represent a 'shell like' ejected nebula, formed
by the winds of its young central star. These type of nebula are
considered the outcome of Wolf-Rayet type stars. This objects
distance is 4200 l.ys away. |
|
Date |
Lum-20th
& RGB 21/ 5/ 06 |
|
Location |
BayTop
Observatory- Streaky Bay South Australia |
|
Instrument |
Vixen VC200L working @ f9/
1800 FL 0.77arcsec/pixel |
|
Mount |
Celestron CI700 controlled by a Mel
Bartels Goto Control System
with Vexta PK264m-01b motors with a pulley and belt system |
|
Camera (CCD) |
Starlight
Xpress HX916 monochrome CCD with Atik manual
filter wheel. |
|
Exposures |
L: 70' R:20' G:20' B:20'
[5' sub exposures all unbinned]
No dark frames removed. |
|
Guiding |
Orion
80ED refractor F7.5 with a Starlight Xpress MX515 CCD.
Mounted via a side by side accessory plate. |
|
Filters |
Astronomik
typeII clr RGB filter set |
|
Notes/ Conditions |
Conditions- On both nights seeing was poor to average and
transparency was poor. Image has had a
slight gradient removed and reduced to 85% of original. |
