Search found 5363 matches

by Carbon60
Sun Sep 23, 2018 7:03 pm
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: Weekend Geomagnetic Storm Sept 21st-23rd
Replies: 1
Views: 9

Weekend Geomagnetic Storm Sept 21st-23rd

A minor geomagnetic storm was captured on my magnetometer this weekend. 20180923.jpg The source was southerly magnetically oriented, fast flowing, solar wind from a coronal hole. It just goes to show that you don't require CME's to create geomagnetic unrest. Even a spotless, Sun can be geo-effective...
by Carbon60
Sun Sep 23, 2018 8:13 am
Forum: This is SolarChat !!
Topic: Today's SUN (20180921) | many PROMS (again)
Replies: 7
Views: 147

Re: Today's SUN (20180921) | many PROMS (again)

Nice proms, indeed, Pedro.

Stu.
by Carbon60
Sun Sep 23, 2018 8:10 am
Forum: This is SolarChat !!
Topic: Today's SUN (20180922) | WL HR shots
Replies: 6
Views: 218

Re: Today's SUN (20180922) | WL HR shots

Very nice images, Pedro. It's a pity the Sun is so quiet.

Stu.
by Carbon60
Wed Sep 19, 2018 5:31 pm
Forum: This is SolarChat !!
Topic: Beautiful Arching Prom Today! HA | Sept 19th 2018
Replies: 8
Views: 125

Re: Beautiful Arching Prom Today! HA | Sept 19th 2018

Excellent, Marty. That's a beautiful prom, very nicely imaged.

Stu.
by Carbon60
Wed Sep 19, 2018 11:33 am
Forum: Solar Scope Modifications
Topic: Narrowest 393.37 ever by Apollo Lasky
Replies: 153
Views: 4181

Re: Narrowest 393.37 ever by Apollo Lasky

Nice work, Bob. Was the seeing fairly consistent throughout the experiment? If at the end of the run you'd have gone back to the 'Lasky' filter as we could call it, would you have seen any difference between the first run with this filter and the last run with this same filter in the same configurat...
by Carbon60
Tue Sep 18, 2018 9:21 pm
Forum: This is SolarChat !!
Topic: Prominence Hedgerow Animation
Replies: 10
Views: 197

Re: Prominence Hedgerow Animation

Nice work, Dave. Lovely animation sequence. There's lots going on there, even the small stuff on the limb.

Stu.
by Carbon60
Tue Sep 18, 2018 9:09 pm
Forum: This is SolarChat !!
Topic: H-alpha images of September
Replies: 8
Views: 145

Re: H-alpha images of September

Very nice indeed, Raf. No chance of imaging anything at the moment with the weather and work.
You've brought out some really spectacular fine details in those various proms.

Stu.
by Carbon60
Tue Sep 18, 2018 9:03 pm
Forum: This is SolarChat !!
Topic: Why is the PST etalon not sold on its own?
Replies: 13
Views: 269

Re: Why is the PST etalon not sold on its own?

I only ever use my modified scopes for imaging.... safest way!!

Stu.
by Carbon60
Tue Sep 18, 2018 5:45 am
Forum: This is SolarChat !!
Topic: September 13 in Ha
Replies: 10
Views: 207

Re: September 13 in Ha

Very nice images, Brian. Excellent prom shots from a productive lunchtime session :)

Stu.
by Carbon60
Mon Sep 17, 2018 7:38 pm
Forum: This is SolarChat !!
Topic: A variety from Sept 16 (with Gates of H*ll image)
Replies: 7
Views: 145

Re: A variety from Sept 16 (with Gates of H*ll image)

Lots of lovely fine details there, Lou. Nice to see some activity.

Stu.
by Carbon60
Mon Sep 17, 2018 6:11 pm
Forum: This is SolarChat !!
Topic: QUARK 9.9 HA full diak and prominence
Replies: 7
Views: 205

Re: QUARK 9.9 HA full diak and prominence

Good images, Alex. Lots of potential. Lovely prom images.

Stu.
by Carbon60
Mon Sep 17, 2018 5:42 am
Forum: This is SolarChat !!
Topic: Chromosphere September 16th
Replies: 11
Views: 213

Re: Chromosphere September 16th

Nice set of images, Franco. Good to see some activity at any scale.

Stu.
by Carbon60
Sun Sep 16, 2018 11:01 am
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: G2 Geomagnetic Storm 11th Sept 2018
Replies: 5
Views: 190

Re: G2 Geomagnetic Storm 11th Sept 2018

Thanks Peter/Mark.

Occasional gusts of solar wind from coronal holes help keep things interesting, Peter, even during solar quiet periods.

Stu
by Carbon60
Sun Sep 16, 2018 10:56 am
Forum: This is SolarChat !!
Topic: NEW 12672 large group!!! 280mm + ARIES 295mm DERF + QUARK GREAT SEEING!
Replies: 13
Views: 570

Re: NEW 12672 large group!!! 280mm + ARIES 295mm DERF + QUARK GREAT SEEING!

Another cracking set of images, Valery.

Looks like an interesting development coming into view.

Stu
by Carbon60
Sun Sep 16, 2018 10:54 am
Forum: This is SolarChat !!
Topic: New images of AR12671 GREAT SEEING!
Replies: 4
Views: 139

Re: Remembering old good times. 2017 08 20 GREAT SEEING!

Amazing images, Valery. Such wonderful fine details.

Stu.
by Carbon60
Sun Sep 16, 2018 8:25 am
Forum: This is SolarChat !!
Topic: Tiny AR12721 in H-alpha and CaK: Sept10
Replies: 7
Views: 173

Re: Tiny AR12721 in H-alpha and CaK: Sept10

Good images, Peter. That CaK is a beauty.

Stu.
by Carbon60
Sat Sep 15, 2018 8:38 am
Forum: This is SolarChat !!
Topic: Surface contrast in CaK for various filter bandpasses.
Replies: 18
Views: 432

Re: Surface contrast in CaK for various filter bandpasses.

Excellent work, Peter. This is invaluable information when considering CaK system design optimisation.

You've got a very fine instrument there!

Stu.
by Carbon60
Thu Sep 13, 2018 7:42 pm
Forum: This is SolarChat !!
Topic: Today's Proms & AR2722 in HA & CaK | Sep 12th 2018
Replies: 6
Views: 115

Re: Today's Proms & AR2722 in HA & CaK | Sep 12th 2018

Excellent images, Marty. Wonderful CaK shots.

Stu.
by Carbon60
Thu Sep 13, 2018 7:00 pm
Forum: This is SolarChat !!
Topic: Today's SUN (20180912) | FD images
Replies: 7
Views: 117

Re: Today's SUN (20180912) | FD images

Nice ones, Pedro.

Stu.
by Carbon60
Thu Sep 13, 2018 6:58 pm
Forum: This is SolarChat !!
Topic: Proms and AR from Sept 12
Replies: 4
Views: 79

Re: Proms and AR from Sept 12

Nice images, Lou. Great proms.

Stu.
by Carbon60
Thu Sep 13, 2018 6:55 pm
Forum: This is SolarChat !!
Topic: Today's SUN (20180913) + granulations shots
Replies: 7
Views: 285

Re: Today's SUN (20180913) + granulations shots

Good images, Pedro. Nice three lights and lovely granulation.

Stu.
by Carbon60
Tue Sep 11, 2018 8:41 pm
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: G2 Geomagnetic Storm 11th Sept 2018
Replies: 5
Views: 190

Re: G2 Geomagnetic Storm 11th Sept 2018

Thankfully that's the case:)

Stu.
by Carbon60
Tue Sep 11, 2018 8:39 pm
Forum: This is SolarChat !!
Topic: 5th September Proms
Replies: 6
Views: 131

Re: 5th September Proms

A very nice prom image, Peter. Lovely fine details.

Stu.
by Carbon60
Tue Sep 11, 2018 5:52 pm
Forum: This is SolarChat !!
Topic: SUN 9/9/2018
Replies: 6
Views: 114

Re: SUN 9/9/2018

Nice one Peter.

Stu.