| Optics | TEC 140APO with Flattener at f7.2 |
| Mount | AstroPhysics 900GoTo |
| Camera | STL11000M |
| Filters | Baader LHaRGB |
| Date | October 2012 - October 2014 |
| Location | Antares Observatory |
| SQM-L | 20.60mag ± 0.30mag (17 nights, 51 readings) |
| Exposure | LHaRGB = 10.3-7.5-4.7-5.2-6.5 total: 34.2h |
| FWHM | 3.36 arcseconds |
| Programs used | CCDAutoPilot, MaxIm DL, PixInsight, eXcalibrator, Photoshop CS6 |
| Notes | The image was captured during 17 nights between October 2012 and October 2014 |
M33 is a very popular spiral galaxy among astrophotographers. Its proximity and our inclined view offer an interesting geometry and allow to capture many details of the spiral arms. A selection of a few active areas in M33 (in 150% resolution) are given below:
A nice description (in German) about this image and its HII-Regions can be found here:
AdW.
For an image with labelled active/bright areas in the spiral arms click here.
Click on the image below to see the center at 100% resolution.
click here for a 75% size image, 3000x2000 (4194KB)
The total luminance image (34.2 hours) is shown below. The image to its right is an inverted and contrast stretched representation to enhance the view of the galactic cirrus in this area. Click on thumbnails to see larger images.
