NGC 3521 from Telescope Live CHI-1-CMOS
From time to time I obtain data sets from remote observatories. One of my favorite providers is Telescope Live with telescopes in e.g. Chile, Australia and Spain. One of the data sets I received, was data from the galaxy NGC 3521, located in the constellation Leo.
The images were taken with the following equipment:
| Location | El Sauce Observatory, Chile |
| Telescope | Planwave CDK 24 |
| Focal length [mm] | 3962 |
| Focal ratio | 6.5 |
| Mount | Mathis MI-1000/1250 |
| Camera | QHY 600M Pro |
| Filter | L:R:G:B |
| Exposure time [min] | 120:120:130:145 |
| Resolution | 0,39″/px (bin 2) |
Data calibration and registration and the final processing was done with PixInsight. The result was as follows:
The faintest star in this image has an apparent magnitude of 23.5 magv (SDSS DR17).
Beside NGC 3521 there are a lot of background galaxies in the image.
The two highest redshift quasars [Flesh 2015] in the image are:
SDSS J110624.62-000233.7 z=2.5 magv=22.2 (SDSS DR17)
SDSS J110531.99+000653.6 z=2.22 magv=21.4 (SDSS DR17)
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