Search found 91 matches
- Sat Feb 11, 2023 6:18 pm
- Forum: This is SolarChat !!
- Topic: Feb, 11 2023 - Sun in three wavelengths, so many active regions!
- Replies: 6
- Views: 210
Feb, 11 2023 - Sun in three wavelengths, so many active regions!
Hello, After a long hyatus (work & weather left little time for observations) I'm back to business! Finally a pleasant imaging session, seeing and transparency were good and the atmosphere was quite steady, then high clouds slowly came in. Our star is very active: I think I caught a glimpse of a...
- Sun Sep 05, 2021 5:50 pm
- Forum: This is SolarChat !!
- Topic: Sep, 1 & 5 2021 - Sun in three lights, WOW so many Active regions!
- Replies: 4
- Views: 285
Sep, 1 & 5 2021 - Sun in three lights, WOW so many Active regions!
Hello, After holidays in a remote location, away from internet connections, I'm back to business! Finally a nice imaging session, seeing and transparency were good and the atmosphere was steady. What to say... wow, our star is very exciting these days! :hamster: Click for full resolution images. Ha ...
- Sun Sep 05, 2021 5:29 pm
- Forum: Solar Astronomy Shop and Swap
- Topic: Solar Astronomy book now available
- Replies: 62
- Views: 27801
Re: Solar Astronomy book now available
Ordered my copy, can't wait to read it.
Fabio
- Sun Jun 27, 2021 9:13 am
- Forum: This is SolarChat !!
- Topic: Jun, 27 2021 - Sun in WL & Ha (AR12835)
- Replies: 4
- Views: 347
Jun, 27 2021 - Sun in WL & Ha (AR12835)
Hello, Quick imaging session, started early in the morning to avoid the heat :cool: . Seeing and transparency were good. However cirrostrati rolled in forcing me to keep adjusting exposure and gain. AR12835 is a nice subject and it's constantly evolving. WL: https://live.staticflickr.com/65535/51273...
- Sun Jun 13, 2021 6:52 am
- Forum: This is SolarChat !!
- Topic: SUNDAY 13-6-2021 NEW AR-SPOT AT N.E.LIMB
- Replies: 9
- Views: 368
Re: SUNDAY 13-6-2021 NEW AR-SPOT AT N.E.LIMB
Hi Terry,
Both websites can not be reached.
Fingers crossed
Fabio
Both websites can not be reached.
Fingers crossed
Fabio
- Mon May 24, 2021 6:12 am
- Forum: Solar Scope Modifications
- Topic: PST Tuning Ring
- Replies: 10
- Views: 2741
Re: PST Tuning Ring
Hello Brian,
As a last resort, you might consider "fishing" the area with a strong magnet.
Fabio
As a last resort, you might consider "fishing" the area with a strong magnet.
Fabio
- Tue May 11, 2021 2:49 pm
- Forum: This is SolarChat !!
- Topic: Sun in three lights 11th May 2021
- Replies: 14
- Views: 494
Re: Sun in three lights 11th May 2021
Cracking images, Stu!
The delicate prominence is my favorite!
Fabio
The delicate prominence is my favorite!
Fabio
- Mon May 10, 2021 11:42 am
- Forum: This is SolarChat !!
- Topic: May, 09 2021 - Sun in three wavelenghts & AR12822
- Replies: 12
- Views: 437
Re: May, 09 2021 - Sun in three wavelenghts & AR12822
Thank you all for your kind comments
Clear skies
Fabio
Clear skies
Fabio
- Sun May 09, 2021 5:25 pm
- Forum: This is SolarChat !!
- Topic: May, 09 2021 - Sun in three wavelenghts & AR12822
- Replies: 12
- Views: 437
May, 09 2021 - Sun in three wavelenghts & AR12822
Hello, A bit of sunshine without strong gusts of wind, at least! Pleasant imaging session, seeing and transparency were "normal". Starting with Ca-k: https://live.staticflickr.com/65535/51167856496_4325738777_c.jpg cak__2021-05-09_T2 by Fabio Immovilli , su Flickr Time to move closer in WL...
- Wed Apr 21, 2021 6:15 am
- Forum: SPoD Archive
- Topic: Solar Harvest 19th April 2021
- Replies: 20
- Views: 726
Re: Solar Harvest 19th April 2021
Excellent shots, Stu!
The filaprom and WL close-ups are lovely
Fabio
The filaprom and WL close-ups are lovely
Fabio
- Wed Apr 21, 2021 6:15 am
- Forum: This is SolarChat !!
- Topic: Solar Harvest 19th April 2021
- Replies: 20
- Views: 626
Re: Solar Harvest 19th April 2021
Excellent shots, Stu!
The filaprom and WL close-ups are lovely
Fabio
The filaprom and WL close-ups are lovely
Fabio
- Tue Mar 30, 2021 12:19 pm
- Forum: This is SolarChat !!
- Topic: Megaprom on the NW edge ... NOW !!!
- Replies: 26
- Views: 869
Re: Megaprom on the NW edge ... NOW !!!
Stunning image, Jozef!
Busy at work here -_-
Fabio
Busy at work here -_-
Fabio
- Sun Mar 21, 2021 4:18 pm
- Forum: This is SolarChat !!
- Topic: Mar, 21 2021 - Sun Ha AR2811
- Replies: 7
- Views: 335
Mar, 21 2021 - Sun Ha AR2811
Hello, After the temperature drop, this morning the sky was really clear, however a strong breeze soon picked up. Quick imaging session of the newly formed AR showing at the East limb. https://live.staticflickr.com/65535/51058668033_f2862b0399_c.jpg ha__2021-03-21_T2 by Fabio Immovilli , su Flickr F...
- Fri Mar 05, 2021 6:53 pm
- Forum: Solar Radio, Magnetometry and Spectroscopy
- Topic: H spectrum tube first light
- Replies: 1
- Views: 557
H spectrum tube first light
Hello, Today I received the H spectrum tubes ordered on Ebay. Lacking the dedicated power supply, I am experimenting with some CCFL supply modules that I had laying around. CCFL_PS.PNG So far they seem to work fine: the discharge is stable and nothing is overheating (duty cycle 20 seconds ON, one mi...
- Sat Feb 27, 2021 5:51 pm
- Forum: This is SolarChat !!
- Topic: LUNT LS80MT with 100mm OTA Addon
- Replies: 7
- Views: 409
Re: LUNT LS80MT with 100mm OTA Addon
Sorry to butt in,
I believe that such a generic name might be misleading
In this context Solar Spectrum is a manufacturer's name
https://solarspectrumopticalfilters.com/
They produce solid etalons.
Clear skies
Fabio
I believe that such a generic name might be misleading
In this context Solar Spectrum is a manufacturer's name
https://solarspectrumopticalfilters.com/
They produce solid etalons.
Clear skies
Fabio
- Sat Feb 27, 2021 4:36 pm
- Forum: This is SolarChat !!
- Topic: Solar observation with two old (XIX/early XX century) refractors
- Replies: 17
- Views: 576
Re: Solar observation with two old (XIX/early XX century) refractors
Thanks for sharing, Pedro
Love all that brass
Fabio
Love all that brass
Fabio
- Fri Feb 26, 2021 6:48 pm
- Forum: This is SolarChat !!
- Topic: Experimental big gun today
- Replies: 17
- Views: 561
Re: Experimental big gun today
Looking good!
No barlow can beat a long native focal length.
CS
Fabio
No barlow can beat a long native focal length.
CS
Fabio
- Fri Feb 26, 2021 8:24 am
- Forum: This is SolarChat !!
- Topic: h-alpha and CaK, February 24th, 2021
- Replies: 11
- Views: 374
Re: h-alpha and CaK, February 24th, 2021
Frank,
Stunning images
The Ca-k prom is magnificent!
Fabio
Stunning images
The Ca-k prom is magnificent!
Fabio
- Thu Feb 25, 2021 5:30 pm
- Forum: This is SolarChat !!
- Topic: Feb, 25 2021 - Full disks and AR2804
- Replies: 7
- Views: 379
Feb, 25 2021 - Full disks and AR2804
Hello, Lunch time imaging session, seeing was quite bad. Starting with Full disk in Ha https://live.staticflickr.com/65535/50978901278_d1ec1b615e_c.jpg ha__2021-02-25_T3_stitch by Fabio Immovilli , su Flickr And in Ca-k https://live.staticflickr.com/65535/50979604251_169aba8f1a_c.jpg cak__2021-02-25...
- Wed Feb 24, 2021 5:31 pm
- Forum: This is SolarChat !!
- Topic: Magnetically disturbed solar region 22nd Feb '21
- Replies: 12
- Views: 475
Re: Magnetically disturbed solar region 22nd Feb '21
Hi Stu,
Very nice detailed view, I really enjoy the fluffiness !
Fabio
Very nice detailed view, I really enjoy the fluffiness !
Fabio
- Tue Feb 23, 2021 3:17 pm
- Forum: This is SolarChat !!
- Topic: Feb, 23 2021 - Sun in WL and Ca-k (AR2804 & AR2805)
- Replies: 7
- Views: 355
Re: Feb, 23 2021 - Sun in WL and Ca-k (AR2804 & AR2805)
Hello, Finished processing another set of close-up in WL, obtained with a 5X barlow That was a bit of a stretch, since they didn't end up very crisp. https://live.staticflickr.com/65535/50973238567_92a0f8237e_c.jpg WL5x__2021-02-23_T6 by Fabio Immovilli , su Flickr https://live.staticflickr.com/6553...
- Tue Feb 23, 2021 12:32 pm
- Forum: SPoD Archive
- Topic: AR2804- AR2805, WL 23-02-2020
- Replies: 9
- Views: 619
Re: AR2804- AR2805, WL 23-02-2020
Beautiful captures Martin, really sharp!
Fabio
Fabio
- Tue Feb 23, 2021 12:32 pm
- Forum: This is SolarChat !!
- Topic: AR2804- AR2805, WL 23-02-2020
- Replies: 9
- Views: 400
Re: AR2804- AR2805, WL 23-02-2020
Beautiful captures Martin, really sharp!
Fabio
Fabio
- Tue Feb 23, 2021 12:05 pm
- Forum: This is SolarChat !!
- Topic: Feb, 23 2021 - Sun in WL and Ca-k (AR2804 & AR2805)
- Replies: 7
- Views: 355
Feb, 23 2021 - Sun in WL and Ca-k (AR2804 & AR2805)
Hello, Given the newly formed sunspots, I scheduled a really quick imaging session (no time for H-alpha). Very calm atmosphere but transparency wasn't exceptional. During the last Zoom meeting I took notes ;) and this time I tried to apply some of the acquisition advices discussed. Ca-k Full disk ht...
- Sun Feb 21, 2021 8:17 pm
- Forum: This is SolarChat !!
- Topic: Zoom Meeting - 21 February @ 18:00 UT
- Replies: 74
- Views: 3204
Re: Zoom Meeting - 21 February @ 18:00 UT
Thanks to Alexandra and Brian for organizing this meeting.
It was nice to interact "live" with some of the most experienced users and, at least for me, a great learning opportunity!
Cheers
Fabio
It was nice to interact "live" with some of the most experienced users and, at least for me, a great learning opportunity!
Cheers
Fabio
- Sat Feb 20, 2021 8:26 pm
- Forum: This is SolarChat !!
- Topic: The Furry Calcium Chromosphere and Playing With New Toys - 18th February
- Replies: 17
- Views: 904
Re: The Furry Calcium Chromosphere and Playing With New Toys - 18th February
Hi Mark
Jaw dropping Ca-k limb details
Cheers
Fabio
Jaw dropping Ca-k limb details
Cheers
Fabio
- Sat Feb 20, 2021 2:11 pm
- Forum: SPoD Archive
- Topic: Feb, 20 2021 - Sun in three lights
- Replies: 3
- Views: 377
Feb, 20 2021 - Sun in three lights
Hello, Pleasant imaging session: today the transparency wasn't exceptional, but the air was really still. Had a look at all the wavelenghts, starting with white light of the emerging AR: https://live.staticflickr.com/65535/50962418981_60678f8573_c.jpg wl__2021-02-20_T1 by Fabio Immovilli , su Flickr...
- Sat Feb 20, 2021 2:11 pm
- Forum: This is SolarChat !!
- Topic: Feb, 20 2021 - Sun in three lights
- Replies: 6
- Views: 249
Feb, 20 2021 - Sun in three lights
Hello, Pleasant imaging session: today the transparency wasn't exceptional, but the air was really still. Had a look at all the wavelenghts, starting with white light of the emerging AR: https://live.staticflickr.com/65535/50962418981_60678f8573_c.jpg wl__2021-02-20_T1 by Fabio Immovilli , su Flickr...
- Thu Feb 18, 2021 2:12 pm
- Forum: Solar Scope Modifications
- Topic: solarscout DS60 open heart operation
- Replies: 3
- Views: 2173
Re: solarscout DS60 open heart operation
Hi Paul, I understand your frustration: the retention groove and the tapered end are bothersome. Excellent work in finding a viable solution with the materials at hand :idea: In my case I fabricated an adapter using a 60mm 2" extension tube connected to the etalon by means of a "clamshell&...
- Fri Feb 12, 2021 4:55 pm
- Forum: This is SolarChat !!
- Topic: Zoom Meeting - 21 February @ 18:00 UT
- Replies: 74
- Views: 3204
Re: Interest in a Zoom Meeting?
I couldn't make it for the last one.
Count me in for this one!
Cheers
Fabio
Count me in for this one!
Cheers
Fabio
- Sat Jan 30, 2021 5:57 pm
- Forum: Solar Scope Modifications
- Topic: Advices needed on doublestacking Daystar Quark Chrom and PST Etalon
- Replies: 26
- Views: 6222
Re: Advices needed on doublestacking Daystar Quark Chrom and PST Etalon
I can confirm,
I get the same artifacts with my Basler acA1920 (IMX 174 sensor): Newton Rings and horizontal striping in my case.
They both disappear with tilting.
Cheers
Fabio
I get the same artifacts with my Basler acA1920 (IMX 174 sensor): Newton Rings and horizontal striping in my case.
They both disappear with tilting.
Cheers
Fabio
- Sun Jan 17, 2021 10:20 am
- Forum: This is SolarChat !!
- Topic: Saturdays Suckers Gap Sunshine 16th January
- Replies: 19
- Views: 624
Re: Saturdays Suckers Gap Sunshine 16th January
Well done Mark,
Beautiful southern hemisphere.
I know the "race against time" feeling
CS
Fabio
Beautiful southern hemisphere.
I know the "race against time" feeling
CS
Fabio
- Sat Jan 16, 2021 3:30 pm
- Forum: This is SolarChat !!
- Topic: Jan, 16 2021 - AR2796 in Ca-k and WL
- Replies: 7
- Views: 308
Jan, 16 2021 - AR2796 in Ca-k and WL
Hello, Afternoon imaging session, right before a new perturbation coming in :( . Clear sky, chilly dry air and no breeze, but awful seeing: looking for the right moment to start the acquisitions, to try catching a pause in the boiling atmosphere. Ca-k setup: C80ED + Lunt Ca-k module 1800 Basler acA1...
- Thu Jan 14, 2021 5:37 pm
- Forum: This is SolarChat !!
- Topic: Jan, 14 2021 - Ca-k first light
- Replies: 5
- Views: 271
Jan, 14 2021 - Ca-k first light
Hello, Really quick imaging session at noon (remote working from home has its advantages). Nothing spectacular and not much to see, I just couldn't wait to try out the lunt Ca-k module ;) . Ca-k full disk setup: C80ED + Lunt Ca-k module 1800 Basler acA1920-155um https://live.staticflickr.com/65535/5...
- Thu Jan 14, 2021 5:27 pm
- Forum: This is SolarChat !!
- Topic: 14-1-2021 Thursday EASTERN AR IS STILL ACTIVE ON LIMB
- Replies: 4
- Views: 241
Re: 14-1-2021 Thursday EASTERN AR IS STILL ACTIVE ON LIMB
Looking forward to it!
Fabio
Fabio
- Tue Jan 05, 2021 11:14 am
- Forum: Forum Support Issues
- Topic: Members please respond to this email question
- Replies: 22
- Views: 4579
Re: Members please respond to this email question
Hello,
I receive only e-mail notifications of new activity in bookmarked topics.
I do not receive e-mail notifications of DM/PM
It is consistent with the settings I set on the notification options tab, in my profile page
Fabio
I receive only e-mail notifications of new activity in bookmarked topics.
I do not receive e-mail notifications of DM/PM
It is consistent with the settings I set on the notification options tab, in my profile page
Fabio
- Fri Jan 01, 2021 4:42 pm
- Forum: This is SolarChat !!
- Topic: Dec, 31 2020 - ARs in WL and Ha + Prominences
- Replies: 15
- Views: 547
Re: Dec, 31 2020 - ARs in WL and Ha + Prominences
Hi Mark, It seems that my unit likes to run "cool". Above +2 clicks clockwise it is basically "white light" equivalent: no detail at all. Both on the native SS60 as well as on the C80ED I achieve the best contrast between -3 to -5 clicks CCW. Unfortunately, as Alexandra said, the...
- Fri Jan 01, 2021 4:23 pm
- Forum: This is SolarChat !!
- Topic: Dec, 31 2020 - ARs in WL and Ha + Prominences
- Replies: 15
- Views: 547
Re: Dec, 31 2020 - ARs in WL and Ha + Prominences
Very nice Fabio. It's the last white light image that catches my eyes the most. Happy New Year. Hi James, I totally agree with you: I am very pleased with the WL setup performance and "assembled" the optic & filter train on a 2" extension adapter for quick and easy swapping of th...
- Fri Jan 01, 2021 2:29 pm
- Forum: This is SolarChat !!
- Topic: my first with solar scout ss60 + NEW !!! end of post
- Replies: 23
- Views: 802
Re: my first with solar scout ss60
Congratulations on your first light!
Really nice picture with good contrast, I like the look of the filament
Fabio
Really nice picture with good contrast, I like the look of the filament
Fabio
- Thu Dec 31, 2020 5:52 pm
- Forum: This is SolarChat !!
- Topic: A Better and Happier New Year 2021
- Replies: 11
- Views: 392
Re: A Better and Happier New Year 2021
Cheers Rainer,
Happy New Year!
Fabio
Happy New Year!
Fabio
- Thu Dec 31, 2020 3:25 pm
- Forum: This is SolarChat !!
- Topic: SUN 30 December 2020 H-Alfa, Photosphere
- Replies: 5
- Views: 279
Re: SUN 30 December 2020 H-Alfa, Photosphere
Stunning images !
I love the filament's look: really three-dimensional
Fabio
I love the filament's look: really three-dimensional
Fabio
- Thu Dec 31, 2020 2:35 pm
- Forum: This is SolarChat !!
- Topic: Dec, 31 2020 - ARs in WL and Ha + Prominences
- Replies: 15
- Views: 547
Dec, 31 2020 - ARs in WL and Ha + Prominences
Hello, A nice sunny day, freezing temperatures, clear sky and steady air. Ha full disk setup: Daystar SS60 + front iris (stopped down to 45mm) Basler acA1920-155um + unspecified 0.75x reducer https://live.staticflickr.com/65535/50783469122_05bd4782ce.jpg ha40prom__2020-12-31_T0 by Fabio Immovilli , ...
- Mon Dec 28, 2020 5:08 pm
- Forum: This is SolarChat !!
- Topic: Dec, 27 2020 - AR 12794 and 12795 in WL and Ha
- Replies: 5
- Views: 262
Dec, 27 2020 - AR 12794 and 12795 in WL and Ha
Hello, Quick imaging session before a snow blizzard. Ha setup: Daystar SS60 + front iris (stopped down to 45mm) Basler acA1920-155um + unspecified 0.75x reducer I found an inexpensive 60mm iris on Aliexpress, 3d printed a fixture and experimented a bit: it seemed to me that the best contrast was obt...
- Sun Dec 27, 2020 9:22 pm
- Forum: This is SolarChat !!
- Topic: Travelling Solar 27th December
- Replies: 27
- Views: 883
Re: Travelling Solar 27th December
Hi Mark,
Lovely full disk images!
How is the life onboard a narrowboat?
I have seen plenty of them when I stayed in Nottingham, but never had the opportunity to experience a journey on a waterway.
Cheers
Fabio
Lovely full disk images!
How is the life onboard a narrowboat?
I have seen plenty of them when I stayed in Nottingham, but never had the opportunity to experience a journey on a waterway.
Cheers
Fabio
- Thu Dec 17, 2020 6:45 am
- Forum: This is SolarChat !!
- Topic: Full disk 16-12-2020
- Replies: 10
- Views: 472
Re: Full disk 16-12-2020
Stunning full disk images Rainer!
Fabio
Fabio
- Mon Dec 14, 2020 2:23 pm
- Forum: This is SolarChat !!
- Topic: December 13 2020 - AR2792 emerging
- Replies: 9
- Views: 468
Re: December 13 2020 - AR2792 emerging
Hi Fabio, Nice capture of 2792. I could not help asking what scope did you use? Alfred Hi Alfred, I forgot to add the setup, here is the list: Scope: TS 102/1100 achro WL photographic setup , absolutely not eye safe : 2" UV/IR cut + 2" Baader solar continuum (on 80mm extension tubes) + un...
- Sun Dec 13, 2020 5:13 pm
- Forum: This is SolarChat !!
- Topic: December 13 2020 - AR2792 emerging
- Replies: 9
- Views: 468
December 13 2020 - AR2792 emerging
Hello, After ten days of snow and rain, finally a bit of sunshine. :hamster: The solar disk is now really low and I have a short observation window before it disappears behind tall buildings. The surface was rather bland, just took a few images in WL of AR2792 emerging, then the seeing quickly deter...
- Sat Dec 12, 2020 9:30 am
- Forum: Commercial Solar Filters/Cameras/Hardware
- Topic: Adventures in buying a Ca-K filter
- Replies: 13
- Views: 1849
Re: Adventures in buying a Ca-K filter
I don't know what to think on this. I have always heard Lunt Solar Systems praised for their customer service and " making it right " if something is wrong in delivery or fails for any reason. I myself would prefer ordering a scope directly from Lunt but in Europe that may not be possible...
- Sat Dec 12, 2020 8:29 am
- Forum: Commercial Solar Filters/Cameras/Hardware
- Topic: Adventures in buying a Ca-K filter
- Replies: 13
- Views: 1849
Re: Adventures in buying a Ca-K filter
Poor quality control and variance in performance sadly seems all too common in the world of solar filters and etalons... Mark, that is exacly my line! This is the second wrong replacement unit that I received, packaged in the factory box. 1.PNG Do not misunderstand me, the mechanical build quality ...
- Sat Dec 05, 2020 5:30 pm
- Forum: Commercial Solar Filters/Cameras/Hardware
- Topic: New flats from DayStar Filters!
- Replies: 22
- Views: 2251
Re: New flats from DayStar Filters!
Hi, Long time ago I build a Flatmaker using and embroidery ring and paper and then for my Mewlon 250 I went to a company which cuts with Laser. So I spend 12000 bucks for a QUANTUM PE 0.4Å and then I need a Flatmaker :lol: :lol: :lol: :lol: Hi Rainer, The embroidery ring is brilliant! :bow Now that...