|
Instrument |
Takahashi FSQ-106ED @
f/5.0 (530 mm F.L.) Captured at 2.1 arcsec/pixel. The Zoomify
image scale is 4.2 to 7.44 arcsec / pixel. |
|
Mount |
Losmandy G11 with Gemini L4 v1.0 |
|
Camera |
SBIG STF-8300M Self
Guiding Package w/ mono ST-i, using an Astrodon 5nm Ha filter |
|
Acquisition Data |
11/13/2012 to 1/5/2013 Chino Valley, AZ... with CCDAutoPilot5
& CCDSoft. Off-axis guided. |
|
Exposure |
|
Hα
|
330 min. (22 x 15 min.
bin 1x1)
|
Click
here for the RGB color image.
Click
here for the color-mapped narrow band images. |
|
Software |
-
CCDSoft, CCDStack,
Photoshop CS6, PixInsight and Noel Carboni's actions.
-
CCDStack to calibrate,
register, normalize, data reject, combine the sub exposures.
-
PixInsight for
gradient removal and the
initial non-linear stretching.
-
PhotoShop for final touch-up.
-
Noiseware Pro, a PhotoShop plug-in.
|
|
Comment |
North is to the top.
The soul nebula,
(sh2-199, LBN 667) is an emission nebula in the constellation
Cassiopeia. The nebula is about 6000 light-years from Earth. |
