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The Sun in H-alpha

Author: François Rouvière

Scope: 160 mm f/18 refractor

Filter: Daystar 0.5Å

Webcam: Philips ToUCam Pro N/B, RAW mode

Acquisition software: Iris

Exposure: 1/100- 1/500e

Image processing: Registax 2, Photoshop

Location: France

Date: 27 August 2004, 7h52 TU

Author: François Rouvière

Scope: 160 mm f/18 refractor

Filter: Daystar 0.5Å

Webcam: Philips ToUCam Pro N/B, RAW mode

Acquisition software: Iris

Exposure: 1/100- 1/500e

Image processing: Registax 2, Photoshop

Location: France

Date: 27 August 2004, 8h32 TU

AuthorJean-Louis Badin

Scope: Zeiss AS 100 mm f/10 refractor

Accessory : Celestron 2x Barlow

Filter: Coronado SolarMax90, BF15 and T-Max Tuner

Webcam: Philips ToUCam Pro B/W, RAW mode

Acquisition software: Astronap Pro 2

Exposure: Composite, 10x 1/500th (disk), 24x 1/50th (prominence)

Image processing: Iris (bestof), Photoshop

Location: Noisy le Grand, France

Date: 24 April 2004, 9h42 UT

AuthorJean-Louis Badin

Scope: Skywatcher T23 refractor, 70 mm f/12.8

Filter: Coronado SolarMax60, BF10 and T-Max Tuner

Webcam: Philips ToUCam Pro

Exposure: 30 sec of acquisition at 10 images/sec, 1/250th sec/image

Image processing: Iris, Photoshop

Location: Noisy le Grand, France

Date: 21 September 2003, 10h UT

AuthorR.J.Poole

Scope: Celestron SCT C8, 200 mm f/30

Filter: Daystar 0.75Å ATM*

Film: SO-115

Location: Vancouver, Canada

Date: 16 August 1980

AuthorR.J.Poole

Scope: Celestron SCT C8, 200 mm f/30

Filter: Daystar 0.75Å ATM*

Film: SO-115

Location: Vancouver, Canada

Date: 16 August 1980, 22h UTC

Author: R.J.Poole

Scope: Celestron SCT C8 de 200 mm f/30

Filter: Daystar 0.75Å ATM*

Location: Vancouver, Canada

Date: 4 August 1979

AuthorGiovanni Dal Lago

Scope: Takahashi 200 mm Cassegrain

Filter: Daystar 0.8Å ATM*

CCD: Yes

Location: USA

Date: 31 October 1999

AuthorR.J.Poole

Scope: Celestron SCT C8, 200 mm f/30

Filter: Daystar 0.75Å ATM

Film: SO-115

Location: Vancouver, Canada

Date: 7 September 1980

AuthorR.J.Poole

Scope: Celestron SCT C8, 200 mm f/30

Filter: Daystar 0.75Å ATM

Film: SO-115

Location: Vancouver, Canada

Date: 9 August 1980

AuthorR.J.Poole

Scope: Celestron SCT C8, 200 mm f/30

Filter: Daystar 0.75Å ATM

Film: SO-115

Location: Vancouver, Canada

Date: 7 September 1980

AuthorKari Kapanen

Scope: 200 mm f/30 refractor

Filter: H-alpha interferential 0.7Å

Exposition: 0.5 sec.

Film:  Kodak TP 2415

Location: Finland

Date: 27 May 1980 

Author: Juan Salmi

Scope:  100 mm f/14 coronograph 

Filter: Schott type C, half-bandwidth 30Å

Film: SO-115

Location: Finland

Date: 22 aprill 1980, 17h UTC

AuthorJuan Salmi

Scope:  100 mm f/14 coronograph

Filter: Schott type C, half-bandwidth 30Å

Film: SO-115

Location: Finland

Date: 20 july 1981, 15h07 UTC

AuthorJuan Salmi

Scope:  100 mm f/14 coronograph

Filter: Schott type C, half-bandwidth 17Å

Film: SO-115

Location: Finland

Date: 2 August1980, 15h39 UTC

AuthorDaystar Filters Corp.

Scope: 100 mm reflector

Filter: Daystar 0.8Å ATM

Location: USA

Author: Victor J. Lopez

Scope: 100 mm coronograph

Filter: Daystar 0.6Å ATM

Exposition: 1/8 sec.

Film: SO-115

Location: USA

Date: 2 February 2000

Author: Franky Dubois

Scope: 70 mm f/14.2 coronograph

Exposition: between 1/60-1/250 sec. depending seeing

Film: Kodak TP 2415

Filter: Interferential Ha MPIA/Baader, half-bandwidth 10.5 Å

Location: Belgium

Date: 19 March 1999

Author: Franky Dubois

Scope: 70 mm f/14.2 coronograph

Exposition: between 1/60-1/250 sec. depending seeing

Film: Kodak TP 2415

Filter: Interferential Ha MPIA/Baader, half-bandwidth 10.5 Å

Location: Belgium

Date: 2 September 1999

Author: Giovanni Dal Lago

Scope: Takahashi CN 212 mm Cassegrain

Filter: Daystar 0.6Å ATM

Location: USA

Date: 2 february 2000

AuthorThierry Legault

Scope: Tele-Vue Pronto 70mm à f/30 refractor

Filter: Daystar 0.6Å T-Scanner

CCD: KAF-1602E

Location: France

Date: 19 july 2000

AuthorG.Applet

Scope: 150 mm f/30 refractor

Filter: Daystar 0.53Å

Location: Germany

Date: 10 june 1979

AuthorB.Manning

Scope: 0.4Å spectrohelioscop based on Veio design

Exposition: 3 sec.of total scan, 1/100 sec per frame

Film: SO-115

Location: Stakenbridge, England

Date: 29 july 1981

 

AuthorPeter Ward

Scope: Astro-Physics 130 mm f/8 ADF refractor with 3x AP telecentric

Filter: Daystar 0.3Å and 120 mm Baader ERF

Exposition: 3 sec of total scan, 1/100 per frame

CCD: AVA astrovid 2000 video camera (live frame grab)

Location: USA

Date: 11 August 2001, 14h14 UTC

AuthorDoug Ammons

Scope: 200 mm f/30 refractor

Filter: Daystar 0.53Å

Film: SO-392

Location: Montana, USA

Date: 1980

AuthorMoyet et Michaux

Scope: Celestron SCT 200 mm f/30

Filter: Daystar 0.53Å

Location: France

Date: 1980

*NB. Images showing both prominences and surface chromospheric details are composites. 

Color images are artificially colorized.

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