Instrument |
Takahashi FSQ-106ED @
f/5.0 (530 mm F.L.) Captured at 2.1 arcsec/pixel. Shown at
3.77 and 9.05 arcsec/pixel. |
Mount |
Losmandy G11 with Gemini L4 v1.0 |
Camera |
SBIG STF-8300M Self
Guiding Package w/ mono ST-i, using AstroDon 5-nm Ha and Baader RGB filters. |
Acquisition Data |
2/18/2013 &
3/15/2013
Chino Valley, AZ |
Exposure |
Ha |
405.0 min. (27 x
15 min.) bin 1x1 |
Red |
70.0 min. (10 x
7 min.) bin 1x1 |
Green
|
58.8 min. ( 7 x
8.4 min.)
" |
Blue
|
110.0 min. (11 x 10 min.)
" |
|
Software |
-
CCDSoft, CCDStack,
PixInsight & Photoshop CS6.
-
CCDStack to
calibrate all sub exposures, register, stack and create the RGB image.
-
PixInsight
processing includes registering and stacking the Ha data, gradient removal and non-linear stretching
with HistogramTransformation.
-
PhotoShop for
adding Ha to the red channel and
the final touch up.
-
Click here
for the Ha image
|
Comment |
North is to the
top.
NGC 2174, The Monkey
Head Nebula, is an emission nebula located in the constellation
Orion. The nebula is associated with the open star cluster NGC 2175
and is about 6,400 light-years from Earth. |