Scientific research Popular-scientific pages Credits
Multi-
waveband
astronomy
Galaxy
halos/
ISM
Example: N4666 Halos picture gallery Emission processes Astronomical observatories Telescopes
and instr-
umentation
Observing techniques Radio holo-
graphy
Telescope surface accuracy Radio "seeing" monitor Amateur radio astronomy SIMPLE inter-
ferometer
Astro-
photo-
graphy

Picture gallery of spiral galaxy halos

Please note: The following table is by no means complete. I simply show pictures that are available to me, mostly because I have been involved in collaborations. If not, credit for pictures provided by colleagues is given here.

Galaxy Radio
continuum
Optical
Soft X-ray Radio
HI
NGC 253
---
Image
RGB Colour Image
---
NGC 891
20 cm
Image
---
Image
NGC 1511
20 cm; 13 cm
Image
RGB Colour Image
Image
NGC 3034
---
Image
0.25 keV; 0.75 keV; 1.5 keV
---
NGC 4666
20 cm; 6 cm
Image
0.25 keV; 0.75 keV; 1.5 keV
Image
NGC 4700
20 cm
Image
---
Image
NGC 7090
20 cm; 13 cm
Image
Soon
Image
NGC 7462
20 cm; 13 cm
Image
---
Image

For photos of telescopes and observatories, please refer to the astronomical observatories pages. There is now also a page with astrophotos.