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.
Pressing one of the highlighted buttons will open a new window with an other size or version of the image above.
|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.
|Right ascension||:||05h 42m 26s|
|Declination||:||+36° 12′ 03″|
|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
|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)
|Corrector||:||Televue 2″ TRF 2008 flattener/reducer with 15% decrease focal length: 384mm f/4.8|
|Mount||:||Losmandy G-11 Gemini|
|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|
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