|
Object |
NGC 6744 |
|
Info |
NGC
6744
located in the southern constellation of Pavo.This
beautiful 9th magnitude galaxy is about 25 million light years away. It is
amongst a rich starfield, and is inclined to our line of sight. NGC
6744 is believed to be one of the most Milky
Way-like of all the nearby spirals. It also has other similarities to the
Milky Way with at least one distorted companion galaxy superficially
similar to one of the Magellanic Clouds. Shown at the 1 o'clock position. |
|
Date |
Lum-06/
08/ 10 & RGB 12/ 08/
10 |
|
Location |
BayTop
Observatory- Streaky Bay South Australia |
|
Instrument |
Home built 10" Newtonian (Bob
Royce primary) and an Antares 1/20th wave
secondary with Televue Paracorr
coma corrector. System working
@ f4.6 (native F4/
1016 FL) 1.315
arcsec/pixel- FOV 44.6x44.6 |
|
Mount |
Celestron CI700 controlled by the
SiTech servo Goto Control System
with Pittman 8000 series motors.
Pulley and belt system |
|
Camera (CCD) |
Starlight
Xpress SXVR-H16 monochrome with Starlight Xpress USB
filter wheel. |
|
Exposures |
L: 108' R:24' G:24' B:24'
[4' sub exposures all unbinned] All channels bias and
flat fielded. |
|
Guiding |
ST80
refractor F5 with a Starlight Xpress HX516
CCD. Mounted via a side by side accessory
plate. |
|
Filters |
Astronomik
typeII LRGB 1.25"
filter set |
|
Notes/ Conditions |
Notes- This was the last image using my 1.25" Astronomik
filters. Thus still suffering from vignetting. This has been removed via
flat fielding. Conditions average. |
