Focal Pointe Observatory
Astrophotography by Bob Franke

Home
Recent Images
Galaxies
Nebulae
   Natural Color
   Narrow Band
   H-Alpha
Clusters
Comets
Solar System
Observatory
Equipment
My Freeware
Tips & Tricks
Published Images
Local Weather
Terrestrial

 

Send Email

 

 

 

 

 

 

NGC 2174 - The Monkey Head Nebula

 

MouseOver = RGB

MouseOut view = [R+50% Ha]GB

Click the image for a larger view. (1800 x 1350 - 1.24 MB)

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.