<< back

Triangulum Galaxy M33 - in Triangulum

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 caputre many details of the spiral arms. A selection of a few active areas in M33 (in 150% resolution) are given below:

M33 Crops

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.

M33 Crops

Triangulum Galaxy

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.

Triangulum Galaxy luminance Triangulum Galaxy inverted

<< back