Search found 4867 matches

by Carbon60
Wed Feb 21, 2018 6:48 am
Forum: This is SolarChat !!
Topic: Sol from the 20th of February 2018.
Replies: 6
Views: 72

Re: Sol from the 20th of February 2018.

Nice FDs nevertheless, Eric.

Stu.
by Carbon60
Wed Feb 21, 2018 6:44 am
Forum: This is SolarChat !!
Topic: 20th Feb, very quiet but tried a close up
Replies: 5
Views: 83

Re: 20th Feb, very quiet but tried a close up

Good images of a very blank Sun, Robert.

Stu.
by Carbon60
Sun Feb 18, 2018 7:06 pm
Forum: This is SolarChat !!
Topic: AR12662 in two lines Ca II K and H-a with a 280mm aperture.
Replies: 9
Views: 166

Re: AR12662 in two lines Ca II K and H-a with a 280mm aperture.

All very nice. I'm forgetting what the Sun looks like :(

Stu.
by Carbon60
Sun Feb 18, 2018 7:04 pm
Forum: This is SolarChat !!
Topic: Today's SUN (20180218) | WL, Ca-K, Ha FD images
Replies: 14
Views: 209

Re: Today's SUN (20180218) | WL, Ca-K, Ha FD images

Almost absolutely quiet, Pedro. Nice trio anyhow.

Stu.
by Carbon60
Sun Feb 18, 2018 6:51 pm
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: Arduino Magnetometer Testing
Replies: 25
Views: 352

Re: Arduino Magnetometer Testing

An excellent match, Carl.

You can now very easily get Excel to remove the transient spikes and you've got yourself a nice stable magnetometer. Given the low cost, maybe you could run three at once for the X,Y & Z components ;).

Stu.
by Carbon60
Sun Feb 18, 2018 6:53 am
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: Arduino Magnetometer Testing
Replies: 25
Views: 352

Re: Arduino Magnetometer Testing

Frequency counting is the way to go. When I started my magnetometer project some years back I was looking for a suitable low cost counter, but I couldn't find anything on the market cheap enough with the resolution needed for sub nT measurements. The Arduino ( or Rasperry Pi) micro systems now avail...
by Carbon60
Sat Feb 17, 2018 7:09 pm
Forum: This is SolarChat !!
Topic: Sol from the 16th of February 2018.
Replies: 10
Views: 103

Re: Sol from the 16th of February 2018.

Glad all is well, Eric. All the excitement without the hurt.

Great images.

Stu.
by Carbon60
Sat Feb 17, 2018 7:06 pm
Forum: This is SolarChat !!
Topic: A Blank Saturday Sun - 17th february
Replies: 15
Views: 153

Re: A Blank Saturday Sun - 17th february

A very quiet sun there, Mark.

Decorating here as well this weekend, trying to get it out of the way before spring.

Stu.
by Carbon60
Fri Feb 16, 2018 6:58 am
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: Arduino Magnetometer Testing
Replies: 25
Views: 352

Re: Arduino Magnetometer Testing

Nice one, Carl.

Are you also able to capture/export the data as a CSV file (frequency and time)?

Stu
by Carbon60
Fri Feb 16, 2018 6:52 am
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: Magnetometer article
Replies: 7
Views: 122

Re: Magnetometer article

Many thanks, Alexandra & Robert.

Stu.
by Carbon60
Wed Feb 14, 2018 7:00 am
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: Magnetometer article
Replies: 7
Views: 122

Re: Magnetometer article

Thanks guys.

Rainer, there is a digital download version. You'll see the links if you go to the magazine web site.

Stu.
by Carbon60
Wed Feb 14, 2018 6:45 am
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: Arduino Magnetometer Testing
Replies: 25
Views: 352

Re: Arduino Magnetometer Testing

Hi Rainer,

My concern is the local reinforcing steel which might impact performance. Better to be located away from steelwork and electrical cables if you can do so.

BTW there is a tutorial on this in the library section of this forum.

Regards

Stu.
by Carbon60
Tue Feb 13, 2018 4:40 pm
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: Magnetometer article
Replies: 7
Views: 122

Magnetometer article

Dear solar friends,

For anyone interested, there's an article in March's 'Sky at Night' magazine on my magnetometer.

Cheers.

Stu.
by Carbon60
Mon Feb 12, 2018 7:08 am
Forum: This is SolarChat !!
Topic: A few Saturday discs - 10 February 2018
Replies: 8
Views: 114

Re: A few Saturday discs - 10 February 2018

Nice FDs, Matt. It has been so long since I last imaged the Sun, I think I've forgotten how ;).

Stu.
by Carbon60
Mon Feb 12, 2018 7:07 am
Forum: This is SolarChat !!
Topic: Today's SUN (20180210) | AR12699
Replies: 14
Views: 333

Re: Today's SUN (20180210) | AR12699

A lovely set of images, Pedro.

Stu.
by Carbon60
Mon Feb 12, 2018 7:02 am
Forum: Solar Radio, Magnetometry and Spectroscopy
Topic: Arduino Magnetometer Testing
Replies: 25
Views: 352

Re: Arduino Magnetometer Testing

Cool. Looking forward to seeing more from this little (and cheap) device. Temperature fluctuations are the main issue I've found with my magnetometer. I've had to go to significant lengths to protect the integrity of the signal data using close temperature control at both the sensor and the receiver...
by Carbon60
Mon Feb 12, 2018 6:49 am
Forum: This is SolarChat !!
Topic: Homemade all-sky cameras
Replies: 10
Views: 144

Re: Homemade all-sky cameras

Nicely done, Pedro. What software do you run to capture 'events'?

Stu
by Carbon60
Mon Feb 12, 2018 6:49 am
Forum: This is SolarChat !!
Topic: The Sun - February 11th
Replies: 8
Views: 71

Re: The Sun - February 11th

Very nice, indeed, David.

Stu.
by Carbon60
Mon Feb 12, 2018 6:48 am
Forum: This is SolarChat !!
Topic: The Sun To Day Feb, 11, 2018
Replies: 7
Views: 66

Re: The Sun To Day Feb, 11, 2018

Great first image on Solarchat. Welcome.

Stu.
by Carbon60
Mon Feb 12, 2018 6:47 am
Forum: This is SolarChat !!
Topic: Activity on the absolutely bald sun through a 280mm aperture.
Replies: 5
Views: 120

Re: Activity on the absolutely bald sun through a 280mm aperture.

Nice image, Valery. I'm looking forward to giving my large aperture kit a good run this spring.

Stu.
by Carbon60
Mon Feb 12, 2018 6:38 am
Forum: This is SolarChat !!
Topic: Ha Full Disk 11th February
Replies: 17
Views: 224

Re: Ha Full Disk 11th February

Nice FD under challenging conditions, Mark.

We're having work done on our house and my gear is 'inaccessible' at the moment. Frustrating to see the Sun out for a short while, but being totally unable to image.

Stu.
by Carbon60
Thu Feb 08, 2018 6:52 am
Forum: This is SolarChat !!
Topic: Sol 7-2-2018
Replies: 15
Views: 185

Re: Sol 7-2-2018

Nice one, Steve. Good to see some activity.

Stu.
by Carbon60
Thu Feb 08, 2018 6:50 am
Forum: This is SolarChat !!
Topic: "Seeing Inside the Sun"
Replies: 8
Views: 182

Re: "Seeing Inside the Sun"

Beautiful imagery from his computer models. Thanks for the link.

Stu.
by Carbon60
Thu Feb 08, 2018 6:38 am
Forum: This is SolarChat !!
Topic: Here Comes The Rain!
Replies: 10
Views: 205

Re: Here Comes The Rain!

Looks good, Mark. It should serve you well :)

Stu.
by Carbon60
Thu Feb 08, 2018 6:36 am
Forum: This is SolarChat !!
Topic: Sol from the 7th of February 2018.
Replies: 6
Views: 107

Re: Sol from the 7th of February 2018.

Nice capture, Eric.

Stu.