|
Click the image for a ~ 54%
size view. (1800 x 1350 - 1.25 MB)
"Mouse Over" view is RGB only
Instrument |
Takahashi FSQ-106ED @
f/5.0 (530 mm F.L.) Captured at 2.1 arcsec/pixel. Shown at
3.91 and 9.38 arcsec/pixel. |
Mount |
Paramount MyT |
Camera |
SBIG STF-8300M Self
Guiding Package w/ mono ST-i, using AstroDon E-Series RGB and
Ha filters. |
Acquisition Data |
9/17/2016 to 10/6/2016
Chino Valley, AZ with CCD Commander & CCDSoft. |
Exposure |
RGB |
300 min. (10
x 10 min. each) binned 1x1 |
Ha |
525 min. (35
x 15 min. each) binned 1x1 |
RGB ratios are 1.00,
0.93, 0.97
Click
here for
the color-mapped NarrowBand image Click
here for the b/w Ha image |
Software |
-
CCDSoft, PixInsight & Photoshop CS6.
-
eXcalibrator v5.0 for
(g:r)
color balancing, using 271 stars from the APASS database.
-
PixInsight
processing includes calibration, registering, stacking, RGB
creation, gradient removal, non-linear stretching
with HistogramTransformation .
-
Noiseware 5, a
PhotoShop plug-in.
-
PhotoShop for
final touch up.
|
Comment |
North is to the
top.
Sh2-132 is an extended
emission nebula, at a distance of about 10,365 light-years, in the
constellation Cepheus. |
|