The Dutch Observatory

AR2770 has decayed to 20 millionths with 2 spots.  Yesterday, the day after the light bridge crossed the spot, the penumbra disappeared, and today it decayed even further.  So the question is if it will disappear before it turns to the backside of the Sun.  To make up for this, we see three proms.  One in the NW, one in the NE and SE.  For the rest the Sun is very quiet!

Clear skies with good seeing today.  AR2770 had decayed to 50 millionths and it supports one spot. AR2770 had decayed to 50 millionths while its one spot now shows a light bridge. The plage from the old AR2768 is approaching the western limb, so the time where we could observe the three cycle 25 polarized areas will soon end.  The nice prominence at the SW limb is still visible, but it is turning slowly to the far side of the Sun.  Today full disk images as well as close ups of the mentioned regions.

Clear Skies for this session this morning.  AR2770 seems to be stable, but we still see the old plages from AR2768 and AR2769.  In addition there is a little activity South of AR2770, just a little North of the equator which can be seen in Ha and CaK.  A nice prominence on the SW limb completes todays observing session.

I had to capture my images today between the clouds.  As I mentioned a few days ago, a new milestone was coming up for me.  Well today is the day where I am submitting my 6000 th. image to the ALPO Solar archive since 2015, at which time I started to build, and rebuild the image archives for ALPO, covering many years.  This does not include all the previous submitted images of the Sun, Moon and planets which I have been submitting since 2008 or 2009.
Today’s Sun is very nice.  AR2770 being a Csx spot, now covers 160 millionths and has three spots.  The plages of the regions AR2768 and AR2769 are still very nice visible in Ha and CaK in the Northern hemisphere.  A lot of Cycle 25 polarized activity today!  In addition we have some nice filaments North of these areas and in the Southern hemisphere.  Today, full disk images and close ups in the three wavelengths of the mentioned regions.

Clear skies today with good seeing.  We see three Cycle 25 polarized regions on the solar disk today.  AR2770 and the plages from AR2768, and AR2769.  A few nice filaments were observed in Ha over the last few days.  Today full disk image as well as close ups of the mentioned areas.

Lots of clouds today so my mount battery ran out of power and I had to stop my session.  AR2767 has disappeared around the Western limb, but we gained another region in the East, where AR2770 has emerged.  AR2769 seems stable, however my images today are restricted to 4 WL and Ha images, showing the new region.

Clear skies with average seeing after the clouds burned off.  AR2767 is barely visible at the SW limb.  AR2768 has decayed and is now degraded to a plage, but the new area  a few degrees to the East was named this morning a AR2769, so we continue with spots on the Sun!.  Today full disk images and close ups of the mentioned areas.

Clear skies during the session, but the seeing was below average.  Both AR2767 and AR2768 have further decayed.  In fact, I did not see any spots in AR2768, except some very small decayed pores.  However the new region that came around the Eastern limb yesterday seems to have some spots.  However it is not named yet.  It looks like AR2767 will make it to the Western limb and we’ll be waiting what the new area does.  Unfortunately, I did forget to image the area around AR2768 as a 540nm close up.  I guess I am getting old….

Intermittent clouds today with seeing conditions below average.  Both AR2767 and AR2768 are somewhat stable.  AR2767 covers 90 millionths while AR2768 covers 20 millionths.  Both regions contain one spot.  It seems from the CaK close up of AR2768, that it is being followed by another C25 polarized region which is just coming around the limb.  Interesting to see tomorrow if that’s true or not.  I used again a 4.6x magnification over the full size image for the CaK close ups instead of the 3x which  I normally use.

A new milestone today!!  This is my 1900st. blog post since I started in 2008.     In the early days I covered mostly the planets.  Later on I switched to observing. and studying the Sun.  So today we had clear skies, but the seeing was very marginal.   A new Cycle 25 polarized area has come around the Eastern limb.  It contains a small pore and has not been assigned a number yet.  Ar2767 just seems to linger on, while it seems to deteriorate a little.  Today it covers 70 millionths and still has 1 spot.  Today images of the full solar disk and close ups in the three wavelengths of the two areas.  The conditions caused the CaK images to be pretty bad.