The large central object in this image is Sharpless2-232, it features a prominent dark lane.
Sh2-232 is part of the Sh2-235 complex and consists of 4 HII regions, being SH2-231, 232, 233 and 235.
All these objects can be found in the constellation Auriga.

A total of three Sharpless objects can be found in this image, as well as 2 planetary nebulae.
Check the annotated version to find out where they are in the image.

The planetary nebula in the center of Sh2-232 was only discovered in 1980.

Other sizes or versions

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Maximum size: 1600 x 1200px – Monochrome
Annotated version: 1600 x 1200px – Monochrome – annotated

Click on the different tabs shown below to view the corresponding object, image and equipment information.
The last tab is used for any comments regarding the image, focus, framing, conditions etc.

Image data

Name  :  Sharpless 2-232
Type  :  Emission nebula
Constellation  :  Auriga
Right ascension  :  05h 42m 26s
Declination  :  +36° 12′ 03″
Distance  :  5.800 ly
Other designations  : 
Image date  :  Dec. 02, 2013
Light frames  :  9x 15 min. 7nm Ha unbinned
Total integration  :  2h 15m
Dark frames  :  10x unbinned
Flat frames  :  20x p. filter unbinned
Created with an A3 size Posterpoweruk flatfield panel
Bias frames  :  20x
Software used  :  CCDOps, CCDSoft, Maxim DL, Photoshop CS4
Processing  :  CCDOPS was used for focussing. Image Acquisition was done using CCDSoft.
All separate frames were calibrated, aligned and stacked in MaxIm DL5 Pro.
Photoshop CS4 was used for further processing – curves adjustment, levels adjustment, etc.
Noel Carboni’s toolset was used as well (Local Contrast Enhancement, Deep Space Noise Reduction)
Telescope  :  TMB/LOMO 80/480
Corrector  :  Televue 2″ TRF 2008 flattener/reducer with 15% decrease focal length: 384mm f/4.8
Mount  :  Losmandy G-11 Gemini
Camera  :  SBIG ST-8300M
Guide camera  :  Atik 1HS Mono
Guide scope  :  Vixen VMC110L
Autoguide software  :  PHD Guiding
Filters  :  Baader 2″ 7nm Ha + IDAS LPS-P2
Location  :  Landgraaf, The Netherlands
Comment  : 

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