Search found 12 matches

by oli14
Sun Jul 04, 2021 7:41 am
Forum: This is SolarChat !!
Topic: H-alpha Sun July 2, 2021
Replies: 5
Views: 276

H-alpha Sun July 2, 2021

Hello,

I present you a picture of the sun in H-alpha taken on July 2, 2021 at 13:54 GMT.
Equipment : Refractor 1800/204 with Istar Optical Lense + ERF filter + Lunt 80 double stack + BF1800 + barlow x4 + ZWO 174.

soleil_2juillet_13h54tu_2.jpg
soleil_2juillet_13h54tu_2.jpg (1.07 MiB) Viewed 276 times

Olivier
by oli14
Sun Jul 04, 2021 7:41 am
Forum: SPoD Archive
Topic: H-alpha Sun July 2, 2021
Replies: 3
Views: 354

H-alpha Sun July 2, 2021

Hello,

I present you a picture of the sun in H-alpha taken on July 2, 2021 at 13:54 GMT.
Equipment : Refractor 1800/204 with Istar Optical Lense + ERF filter + Lunt 80 double stack + BF1800 + barlow x4 + ZWO 174.

soleil_2juillet_13h54tu_2.jpg
soleil_2juillet_13h54tu_2.jpg (1.07 MiB) Viewed 369 times

Olivier
by oli14
Sat Oct 31, 2020 11:14 am
Forum: This is SolarChat !!
Topic: H-alpha Sun 2020-10-30
Replies: 8
Views: 528

H-alpha Sun 2020-10-30

Hello, I present you two pictures of the sun in H-alpha taken on October 30, 2020. Equipment : Refractor 1800/204 with Istar Optical Lense + ERF filter + Lunt 80 double stack + BF1800 + barlow x4 + ZWO 174. 10H33 GMT : soleil_30octobre2020_10h33tu.jpg 11H31 GMT : soleil_30octobre2020_11h31tu.jpg Oli...
by oli14
Wed Oct 21, 2020 10:52 am
Forum: This is SolarChat !!
Topic: H-alpha Sun 2020-10-18
Replies: 8
Views: 533

Re: H-alpha Sun 2020-10-18

Thank you DeepSolar64, Rusted, dhKaiser, Terry and Alexandra.
by oli14
Mon Oct 19, 2020 5:43 pm
Forum: This is SolarChat !!
Topic: H-alpha Sun 2020-10-18
Replies: 8
Views: 533

H-alpha Sun 2020-10-18

Hello,

I present you a picture of the sun in H-alpha taken on October 18, 2020 at 11:22 GMT.
Equipment : Refractor 1800/204 with Istar Optical Lense + ERF filter + Lunt 80 double stack + BF1800 + barlow x4 + ZWO 174.

soleil_18octobre2020_11h22tu.jpg
soleil_18octobre2020_11h22tu.jpg (1.01 MiB) Viewed 533 times

Olivier
by oli14
Mon Oct 19, 2020 5:43 pm
Forum: SPoD Archive
Topic: H-alpha Sun 2020-10-18
Replies: 5
Views: 505

H-alpha Sun 2020-10-18

Hello,

I present you a picture of the sun in H-alpha taken on October 18, 2020 at 11:22 GMT.
Equipment : Refractor 1800/204 with Istar Optical Lense + ERF filter + Lunt 80 double stack + BF1800 + barlow x4 + ZWO 174.

soleil_18octobre2020_11h22tu.jpg
soleil_18octobre2020_11h22tu.jpg (1.01 MiB) Viewed 546 times

Olivier
by oli14
Thu Sep 24, 2020 6:06 pm
Forum: This is SolarChat !!
Topic: H-alpha Sun 2020-9-23
Replies: 14
Views: 678

Re: H-alpha Sun 2020-9-23

Thank you DeepSolar64, Starry, Phil, David, Terry, Bruce, Alexandra, Franco, John, Pedro, Mark and Raf. Is the refractor a standard achromat lens ? It's an achromat lens but not standard. It's optimized in the wavelenght of H-alpha (Strehl ratio 0,98 in red and 0,96 in green). 20200802_083319.jpg Ol...
by oli14
Wed Sep 23, 2020 6:02 pm
Forum: This is SolarChat !!
Topic: H-alpha Sun 2020-9-23
Replies: 14
Views: 678

H-alpha Sun 2020-9-23

Hello,

I present you a picture of the sun in H-alpha taken on September 23, 2020 at 11:06 GMT.
Equipment : Refractor 1800/204 with Istar Optical Lense + ERF filter + Lunt 80 double stack + BF1800 + barlow x3 + ZWO 174.

soleil_23septembre2020_11h06tu.jpg
soleil_23septembre2020_11h06tu.jpg (864.86 KiB) Viewed 678 times
Olivier
by oli14
Wed Sep 23, 2020 6:02 pm
Forum: SPoD Archive
Topic: H-alpha Sun 2020-9-23
Replies: 10
Views: 614

H-alpha Sun 2020-9-23

Hello,

I present you a picture of the sun in H-alpha taken on September 23, 2020 at 11:06 GMT.
Equipment : Refractor 1800/204 with Istar Optical Lense + ERF filter + Lunt 80 double stack + BF1800 + barlow x3 + ZWO 174.

soleil_23septembre2020_11h06tu.jpg
soleil_23septembre2020_11h06tu.jpg (864.86 KiB) Viewed 719 times
Olivier
by oli14
Wed Apr 01, 2020 3:26 pm
Forum: This is SolarChat !!
Topic: AR2759 2020-3-31
Replies: 9
Views: 4705

AR2759 2020-3-31

Hello,

I present to you the active region AR2759 in H-alpha. I made this image the March 31,2020 at 11H22 TU.
Telescope Tecnosky 152 mm + ERF filter + 2 etalons Lunt 80 DSII + BF1800 + glasspath 1,25 + barlow x5 + ZWO 174.

soleil_31mars2020_11h22tu.jpg
soleil_31mars2020_11h22tu.jpg (590.57 KiB) Viewed 4705 times

Olivier
by oli14
Mon Jan 06, 2020 10:16 pm
Forum: This is SolarChat !!
Topic: AR2755 2020/1/5
Replies: 12
Views: 4069

AR2755 2020/1/5

Hello,

I present to you the active region AR2755 in H-alpha. I made this image the January 5,2020 at 12H32 TU.
Telescope Tecnosky 152 mm + ERF filter + 2 etalons Lunt 80 DSII + BF1800 + glasspath 1,25 + barlow x5 + ZWO 174.
soleil_5janvier2020_12h32tu_ar2755.jpg
soleil_5janvier2020_12h32tu_ar2755.jpg (208.79 KiB) Viewed 4069 times
Olivier
by oli14
Sun Nov 03, 2019 7:33 pm
Forum: Solar Scope Modifications
Topic: PST mod on a C14
Replies: 11
Views: 5225

PST mod on a C14

Hello, I'm trying to make the PST mod on my C14 with an off-axis 160 ERF-D filter and a BF1800 Lunt. I have already made this modification on a tecnosky telescope of 152. 3.jpg During my first attempt I did not succes to do the focus. I did several tests with long rings. 4.jpg Valery in this old pos...