Sun H-Alpha with active prominences September 29, 2025

 

On the North Eastern limb a free prominence and on the Mid Western limb a long prominence moving away to space... so very active prominences.
The image was processed using new JSolex 4.1.1

This CaIIH is a very sharp image taken with Solex by James R. and 2nd Gen Slit. 

Getting this sharp image is done with both:

- sharp edges

- camera sharpness

- collimator adjustment with focus on the dustlines; this seems working. 

H-alfa2cb

Setting:

TLAPO80/480 with ASI678MM and Solex by James R.

Herstel Wedge

Software: SharpCap 4, Inti 6, JSolex 4.1.1 and CS4

Tilt <0,2° and Sx/Sy 1,1

Seeing with SSM3 almost all day <1,5 arcs

Data submitted to ftp.obspm.fr SOLAP

Comet C/2025 A6 (Lemmon)

This morning I took some images of Comet C/2025 A6 (Lemmon). The comet is currently 1,1AU away from Earth and will be at closest on October 21, 2025 on a distance of 0,59AU. Perihelion transit will take place on November 8th. Max brightness is predicted between these two days with the Comet low above the horizon after sunset.

Setting: Nikon D7500 f/4 28mm ISO3200 4s.
Editing: CS4 and DeNoise AI

Artemis II Boarding Pass

Next year, April 2026, NASA plans Artemis II crewed mission around the Moon. I have already my Boarding Pass :)

Video Aurora 17092025

 

My images combined into a video of the Equinox Aurora in Iceland (Sandgeroi).
Images taken on Sept 17, 2025 with Nikon D7500 and 10mm Tamron Lens.

Halo from airplane

When preparing for landing in Iceland, I was able to make some pictures of a halo with our plane.

 

Aurora Iceland, Equinox Storm

My images of aurora in Iceland. These were caused by the equinox storms and were visibble over a couple of days.

Aurora Iceland

With a Kp 4 (or was it more?) we could observe polarlight in Iceland. Observation was done in Hellissandur near the Coast. Sky cleared up but with high clouds. Polarlight was visible as from 22h but kept going for a couple of hours. A certain moments the entire sky was colored green. Picture taken by my daughter with iPhone. So more pictures to come.

Rainbow @Skogafoss

Beautifull waterfall Skogafoss (Iceland) with a nice rainbow.

Rainbow above volcano crater

> When walking around Volcano Crater @Selfoss Iceland a supernumerary rainbow showed up creating a nice view and picture.
>

Apocalyptic Red Rainbow at Sunset

I could image a rainbow, only 9 minutes before sunset. The rainbow was quit red with aswell a red cloudy background. Very apocalyptic...

Sunspot AR4197

Sunspot AR4197 consists of about 50 spots and is 740MH big. Late afternoon clouds started to disappear and I installed my TAL200K. My parents were at home and I let them watch the big sunspot. Next I connected my ASI290MM camera and took some images. Seeing wasn't good which resulted in more then 500Gb of data. Stacking was done using AstroSurface but editing was done with IMPPG and CS4.

Setting: TAL200 f/8.5, barlow x2 and ASI290MM

Filters : ND5.0, IR/UV cut and OIII

Software: SharpCap, AstroSurface, IMPPG and CS4

 

Supernumerary Rainbow

This evening a double rainbow which was also a supernumrary one.

Image taken @Averbode - Belgium 

Sun August 24, 2025

The Sun this morning (August 24, 2025). Some more 
adjusting of my new Sol'Ex by James R. 

Seeing was < 1,5arcs but at noon time this was increase to 2,5arcs.

Setting: TLAPO80/480 with ASI678MM and Sol'Ex by James R with 2nd Gen slit

Herschel Wedge

Tilt < 0,25° and Sx/Sy 1,1

Software: SharpCap, Inti, JSolex and CS4

Seeing SSM3 on SharpCap

 

Solar Tornado using Sol'Ex

Capturing a Solar Tornado with my Sol'Ex in the morning of August 17, 2025.

Sun Aug 17, 2025 G-Band

The Sun in G-Band on August 17, 2025

Mercury, Venus, Jupiter and Moon at sunrise

 At UT3h21 this morning I was able to capture Mercury which was only 3° above the horizon. The sky was special with Mercury, Jupiter, Venus and the Moon and a golden hour background.

Helium D3 line

Imaging the Sun in the Helium D3 line (HeID3). For details see picture.

Sun on August 17: H-alpha and CaIIH and K line

Using my new Sol'Ex by James R. I'm making progress to get the images sharper and sharper. But it's not yet 100% sharp, mainly in one area. So more works to do. Turing the collimator wheel about 10times "in" starting from H-alpha settings, I got a really sharp CaII H ad K-line sundisk.