Sky this Week » Solar

Solar region 11029 closeup

Vern — Tue, 27 Oct 2009 05:42:02 +0000

Closeup of active region 11029 from 1:35 pm MDT this afternoon.

Celestron Nexstar 11 and DMK 21AU04-AS (60 fps, 1/1000 sec) at Cassegrain focus. Clear, turbulence 4/10, transparency very good, 62 deg. F, 5 mph wind, location Louisville, Co. Aligned and stacked with Registax5.

Sun on Oct. 26, 2009

Vern — Tue, 27 Oct 2009 05:38:10 +0000

Full disk white light image from this afternoon around 1 to 1:30 pm.

Image taken with Celestron Nexstar 11 telescope, F6.3 focal reducer, and Canon Xti ISO 200, 1/500 sec exposure. Composite of two images, aligned and stacked with Registax5. Clear, turbulence 4/10, transparency very good, 62 deg. F, 5 mph wind, location Louisville, Co. Aligned and stacked with Registax5.

Region 11024 on July 9, 2009

Vern — Fri, 10 Jul 2009 04:35:12 +0000

NOAA region 11024 about to rotate out of view on the western limb. Below image from 2:18 pm mdt, taken with Celestron Nexstar 11 and DMK21AU04.AS video camera, 30 fps, 1/5000 sec. Aligned and stacked with Registax5. Skies were clear, 78 deg.F, turbulence 5/10.

White light full disk solar image

Vern — Thu, 09 Jul 2009 00:21:19 +0000

Image of the sun in white light on July 8, 2009 about 3 pm using Celestron Nexstar11 scope, F6.3 focal reducer, and Canon Xti at cassegrain focus. Clear skies, temp. 93F, 5mph wind, turbulence about 6/10, location Louisville, CO.

Solar region 11024 on July 8, 2009

Vern — Thu, 09 Jul 2009 00:15:48 +0000

White light solar image of NOAA region 11024 from about 3 pm this afternoon. The principal spot (on right) appears to have split since yesterday. Follower spot (on left) has grown a fair amount. Most of the nterior spots between leader and follower have disappeared. So solar fans, what is the McIntosh classification for this region today? (yesterday it was Eai).

Image taken with Nexstar11 scope with DMK21AU04.AS video camera (1/10000 sec at 60 fps) at cassegrain focus. Aligned & stacked with Registax5. Clear skies, temp. 93F, 5mph wind, turbulence about 6/10.

Interactive solar map

Vern — Sun, 31 May 2009 07:01:17 +0000

Checkout the interactive solarmap at my other website. You may now select a date from Jan 2, 1996 to present and see what regions were visible on the Sun on that date. (Note that the Drupal date popup module that I used annoyingly requires that you actually click on date rather than just typing it in). For example select June 1, 2000 and you’ll see quite a few more regions listed than you do now at solar minimum.

Sun in halpha on May 28, 2009

Vern — Thu, 28 May 2009 21:48:55 +0000

Sun from around 11 am in h-alpha. A couple nice prominences visible on NW and SW limb. Its been a long while since I’ve done h-alpha. I seem to forgotten most of the processing required. Nonetheless here it is. Solarscope halpha scope and DMK21AF04.AS video camera. Aligned and stacked with Registax5, compositted and false colored in Photoshop.

The sun, loop prominence on southwest Limb

Vern — Sun, 30 Mar 2008 04:10:44 +0000

Nice loop prominence was visible on the sun’s southwest limb.

Image taken with Solarscope Ltd. 50mm h-alpha telescope, Televue 2.5X Powermate, DMK 21AF04.AS camera 1/82 sec, 60 fps. Sky was clear, 5 mph wind, temperature 68 °F, turbulence about 6/10, transparency very good, location Louisville, CO.

Solar active regions 10988 and 10989

Vern — Sun, 30 Mar 2008 04:03:00 +0000

Image of active regions 10989 (lower left) and 10988 (top center) in h-alpha about 3:20 pm MDT.

Image taken with Solarscope Ltd. 50mm h-alpha telescope, Televue 2.5X Powermate, DMK 21AF04.AS camera 1/500 sec, 60 fps. Sky was clear, 5 mph wind, temperature 68 °F, turbulence about 6/10, transparency very good, location Louisville, CO.

The sun in h-alpha on March 29

Vern — Sun, 30 Mar 2008 03:50:35 +0000

Here is the full disk image of the sun in h-alpha, not oriented. North pole of the sun is to the upper left.

50mm Solarscope Ltd H-alpha Telescope, DMK 21AF04.AS video camera, 1/10000 sec shutter, at 60fps. Sky was clear, 5 mph wind, temperature 68 °F, turbulence about 6/10, transparency very good, location Louisville, CO.