Mikael's astro page

Here's a report from my astro-imaging expedition to Australia!

...and here's one from the total solar eclipse as seen from Turkey! (in Danish)

...and here's another from a trip to AstroFest'08 in London! (in Danish)

...and finally, the latest total solar eclipse - seen from Siberia (in Danish)

ST10XE images (newest additions at the top):

Leonid Meteor Shower

Swan nebula (M17) (LLRGB)

Small Magellanic Cloud (LLRGB)

Omega Centauri (NGC5139) (LLRGB)

Tarantula nebula (NGC2070) (LLRGB)

M83 (LLRGB)

Cocoon Nebula (LHaRGB)

Lagoon Nebula (LLRGB)

Colorful moon (H-alpha, OIII, H-beta)

Antennae galaxies (NGC4038+4039) (LLRGB)

Eta Carinae (LLRGB)

Veil nebula (H-alpha, SII, OIII, red continuum, green continuum) 'Astronomy Picture of the Day - Dec. 6, 2005'!!

Rosette nebula (NGC2237) (SII, H-alpha, OIII)

Trifid nebula (M20) (LLRGB)

Comet Machholz C/2004 Q2 (Luminance IR reject)

Full moon (OIII)

Total lunar eclipse (H-alpha, OIII, H-beta)

Planetary nebula M27 (Dumbell nebula) (L, H-alpha, OIII)

Dark nebula B72 (Snake nebula) (LLRGB)

Comet Linear C/2002 T7 (Luminance IR reject)

Comet Bradfield C/2004 F4 (Luminance IR reject)

Coronal mass ejection from the largest flare ever recorded (H-alpha)

Horsehead nebula, B33 (H-alpha)

California nebula, NGC1499 (H-alpha)

Helix nebula, NGC7293 (H-alpha, OIII, H-beta)

Triangulum galaxy, M33 (Luminance IR-reject)

A huge (X10-class) solar flare eruption on Oct. 29, 2003, 20:37 UT (H-alpha)

Webcam images (newest at the top):

Saturn, Apr. 24 - 2009

Mars, Jan. 27 - 2008

Mars, Jan. 22 - 2008

Mars, Jan. 9 - 2008

Close-up of active region (H-alpha)

Close-up of limb prominence (H-alpha)

Lunar occultation of Saturn (RGB)

Full solar disc mosaic, 170405, CONR mode (H-alpha)

A 40-frame mosaic of the full moon!

My first lunar mosaic

Large sunspot in white light colorized with H-alpha data

Venus transit of the Sun! (H-alpha)

Full solar disc mosaic, 060504, STD mode (H-alpha)

My first solar image with a webcam (H-alpha)

STV images:

Close-up of a medium-sized sunspot; Apr. 11, 2001, 11:15 UT (white light)

Tutorials (newest on top):

Correction of field rotation due to alt-az telescope mounting (2009)

Correction of line-noise from Lumenera Skynyx 2-2C and 2-2M cameras (2009)

Not really a tutorial, just a bunch of notes and results on using Registax and Lucy-Ricardson deconvolution (2007)

High resolution Web-cam imaging of the sun in H-alpha (2006)

Selective noise reduction (2006)

Subtraction of stellar continuum from narrowband nebula images (2005)

Collimating an SCT and refractor using an artificial star (2004)

Web-cam imaging of the sun in H-alpha (2004)

Comparison of STD and CONR modes for solar imaging (2004) (H-alpha)

H-alpha solar imaging with an astronomical CCD camera (2003)

Any comments greatly appreciated! Thanks for visiting. (mikael.svalgaard@gmail.com)