Designation |
NGC 4699, Bennett 54,
Best 108 |
Object type |
Type SBb spiral galaxy |
Coordinates |
12 h 49 min -
08° 40' Virgo (Vir) |
Description |
Visually this fine spiral is
often mistaken for a structureless elliptical galaxy. Only long
exposures bring out the spiral arms and interesting bar-like detail near
the very bright core. Distance from earth to this distant Virgo galaxy
group member is estimated at 60 million light years.
North is down in this 15 x 10 arcmin field of
view.
|
Exposure |
LRGB 70:30:30:30 min @ -15°C,
all exposures 10 min unbinned |
Camera |
SBIG ST-10XE selfguided + CFW8
with Astrodon CRGB filterset |
Optics |
RCOS 14.5" Ritchey-Chrétien
@ f/9
(prime focus) |
Mount |
Astro-Physics AP1200GTO |
Software |
MaxIm DL/CCD, Sigma Pre Beta
11, Registar, CCDSharp, Adobe
Photoshop CS |
Location - Date - Time |
San Esteban (Chile) - 02May05 @ 02:00 UTC |
Conditions |
Transparency 6/10, Seeing 5/10, Temperature
+ 15° C |