H-Alfa Activity Survey Cycle 24 (2008-2020)

& SOLAR ECLIPSES, TRANSITS AND AURORAS EXPEDITIONS (2003-2019)

Garraf Astronomical Observatory

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CLASSIFICATION OF PROMINENCES

(README IN PROCESS)

Classification of Prominences
Volker (1970) & Tobal (2009)
as
A total of 48.851 prominences were cataloged in a 11 years Cycle 24

 

OAG VISUAL SURVEY CYCLE 24 STATISTICS

Data from T.Tobal's H-Alfa visual observations 2009-2020

GRAPHIC / DATA SUBJECT
Total
%
Average / Carrington Rotation
Total Carrington Rotations (CR= 27,27days )
147
100
2078-2225*
Total observations days
2.272
59,52
15,3 days
Seeing conditions ( Kiepenheuer Scale 1-5)    
S= 2,39 / Q= 2,59
Prominences + Filaments + Facula Index      
Groups of Prominences
32.799
14,52
Groups of Filaments
27.785
12,31
Groups of Faculae
23.416
44,11
Prominences
48.851
Filaments
49.493
Faculae
99.609
Flare + Bright Plages
7.264
3,22
AR Regions
7.355
4,39
SA Type
18.286
55,75
8,10
SB Type
1.583
4,83
0,70
SC Type
355
1,08
0,16
SD Type
1.175
3,58
0,52
BA Type
577
1,76
0,26
BB Type
359
1,09
0,16
BC Type
140
0,29
0,06
BD Type
19
0,06
0,01
FA Type
5.833
17,78
2,58
FB Type
3.268
9,96
1,45
FC Type
690
2,10
0,31
FD Type
682
2,08
0,30
CAA Type
3.211
43,4
21,7
CAB Type
526
7,1
3,6
CAC Type
180
2,4
1,2
CAD Type
250
3,4
1,7
CKA Type
878
11,9
5,9
CKB Type
113
1,5
0,8
CKC Type
43
0,6
0,3
CCD Type
2.208
29,8
14,9
CME Type
18
0,2
0,1
ETS Type
3
0,04
0,02
ETW Type
3
0,1
0,1
ETL Type
406
5,5
2,7
ETA Type
50
0,7
0,3
Special Types (ETS+ETW+ETL+ETA)      
T.Tobal's drawings
2.272
 
Grouped in 36 volumes
Scanned T.Tobal's drawings
In process
 
Start in January, 2021
DSRL Images H-Alfa
<4.000
 
On file at OAG Library

*For rotations 2078 and 2079 were used only solar images from SMO and BASS 2000
*For rotation 2080 were used OAG observations and solar images from SMO and BASS 2000

Index of Prominences I PR = 10*(G PR + C PR) Index of Filaments I FIL = 10*(G FIL + C FIL)
Index of Faculae I FAC= 10*(G FAC + C FAC) (See Graphics)

OAG FULL DATA CYCLE 24 (Excel File )

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SOLAR ECLIPSES, TRANSITS AND AURORAS EXPEDITIONS : 2003-2019


VALUE OF SOLAR PARALLAX
from OAG observations of the Transit of Venus June 8, 2004

Longitude : 1.8383333 ° E
Latitude : 41.3066111 ° N

UA (average km)
P " (avergae)
Mean error
149.644.751
8".7914
0.031 %

 

Transit of Mercury

Diagram
Spain, May 7, 2003
Conducted by T.Tobal
OAG-Transit Program T-1M

Transit of Venus

Diagram

Spain, June 8, 2004
Conducted by T.Tobal
OAG Transit Program T-2V
OAG Observations of Transit
Annular Solar Eclipse
Libya, October 10, 2005
Conducted by T.Tobal
OAG-Tuareg Expedition ASE-I
Total Solar Eclipse
Libya, March 29, 2006
Conducted by T.Tobal
OAG-Tuareg Expedition TSE-II
Polar Aurorae
Greenland-SW, August, 2006
Conducted by T.Tobal
OAG-Tuareg Expedition PA-I
Polar Aurorae
Greenland-SW, August, 2007
Conducted by J.Cairol
OAG-Tuareg Expedition PA-II
Total Solar Eclipse
Mongolia, August 1, 2008
Conducted by J.Cairol
OAG-Tuareg Expedition TSE-III
Total Solar Eclipse
Mongolia, August 1, 2008
Conducted by A.López
OAG-Tuareg Expedition TSE-IV
Total Solar Eclipse
Siberia, August 1, 2008
Conducted by T.Tobal
OAG-Tuareg Expedition TSE-V
Polar Aurorae
Greenland-SW, August, 2008
Conducted by J.Cairol
OAG-Tuareg Expedition PA-III
Total Solar Eclipse
China, July 22, 2009
Conducted by J.Cairol
OAG-Tuareg Expedition TSE-V
Total Solar Eclipse
Pascua Island, July 11, 2010
Conducted by J.Cairol
OAG-Tuareg Expedition TSE-VI
Transit of Venus

Diagram
Spain, June 6, 2012
Conducted by T.Tobal
OAG Transit Program T3-V
Total Solar Eclipse
Kenya, November 3, 2013
Conducted by T.Tobal
OAG-Tuareg Expedition TSE-VII
Total Solar Eclipse
Feroe Islands, March 20, 2015
Conducted by T.Tobal
OAG-Tuareg Expedition TSE-VIII

Transit of Mercury

Diagram

Spain, May 5, 2016
Conducted by T.Tobal
OAG Program T4-M
Total Solar Eclipse
Wyoming (USA), August 21, 2017
Conducted by T.Tobal
OAG-Tuareg Expedition TSE-IX
Transit of Mercury

Diagram
Moroco- SW, November 11, 2019
Conducted by T.Tobal
OAG Program-Expedition T5-M
Anular Solar Eclipse
Spain, June 10, 2021
Conducted by T.Tobal
OAG Program ASE-X
 
 

 

OAG SOLAR STATION

OAG's Solar Station in Vilanova i la Geltrú (Spain). Long. 01º43’57”6 E / Lat. 41º13’27”8 N).Multiple refractors with White Light, Continuum 540nm (10nm), H-Alfa 656,3nm (0.65Aº), K-Line 393-396 nm (8nm) filters, on EQ-6 GoTo Equatorial Mount under a sliding roof (Years 2008-2020).

 

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Updated: June 2021