Variable star observations

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Observer: Marc Biesmans, Essen, Belgium
Initials: BMM
Internet: marcbiesmans@yahoo.com

Instruments: APM 140 f/7 ED doublet apo refractor on Astro-Physics AP600E GTO mount (R140)
+ 6 x 30 mm, 8 x 40 mm, 8 x 56 mm, 10 x 60 mm and 15 x 70 mm binoculars (B30, B40, B56, B60 and B70)

All charts and sequences: BMM

Visual observations for March 09, 2022

All times: UT

Date(UT) Star Magn. Comp.stars Chart info Power Aperture Seq. photometry

LPV

20220309.9 CMi WX <13.1 BMM 131 E081228 245 x R 140 ASAS-3(V) + CCDV Henden
20220309.9 Cnc SZ <13.6 BMM 136 D100214 245 x R 140 ASAS-3(V) + CCDV Henden
20220309.9 Gem BP <13.4 BMM 134 E071002 245 x R 140 ASAS-3(V) + CCDV Henden
20220309.9 Leo RS <13.6 BMM 136 D100306 245 x R 140 ASAS-3(V) + CCDV Henden
20220309.9 Sex S 12.3 BMM 121-125 D100416 140 x R 140 ASAS-3(V) + CCDV Henden

Regards,
Marc
 
Observer: Marc Biesmans, Essen, Belgium
Initials: BMM
Internet: marcbiesmans@yahoo.com

Instruments: APM-LZOS 130 f/6 triplet apo refractor on Astro-Physics AP600E GTO mount (R130)
+ 6 x 30 mm, 8 x 40 mm, 8 x 56 mm, 10 x 60 mm and 15 x 70 mm binoculars (B30, B40, B56, B60 and B70)

All charts and sequences: BMM

Visual observations for March 10, 2022

All times: UT

Date(UT) Star Magn. Comp.stars Chart info Power Aperture Seq. photometry

LPV

20220310.9 Aur AZ 11.6 BMM 115-120 E081211 111 x R 130 TASS-V + CCDV Henden
20220310.9 Aur GQ <13.2 BMM 132 E080909 173 x R 130 TASS-V + CCDV Henden
20220310.9 Leo AO 12.9 BMM 126-130 D180413 111 x R 130 CCDV APASS
20220310.9 Leo W <12.7 BMM 127 D090228 173 x R 130 ASAS-3(V) + CCDV Henden
20220310.9 Leo TZ 10.7 BMM 106-110 D110111 49 x R 130 ASAS-3(V) + CCDV Henden

Regards,
Marc
 
Observer: Marc Biesmans, Essen, Belgium
Initials: BMM
Internet: marcbiesmans@yahoo.com

Instruments: TEC 160 f/7 FL triplet apo refractor on Astro-Physics AP600E GTO mount (R160)
+ 6 x 30 mm, 8 x 40 mm, 8 x 56 mm, 10 x 60 mm and 15 x 70 mm binoculars (B30, B40, B56, B60 and B70)

All charts and sequences: BMM

Visual observations for March 27, 2022

All times: UT

Date(UT) Star Magn. Comp.stars Chart info Power Aperture Seq. photometry

LPV

20220327.9 Cnc SZ <14.1 BMM 141 D100214 280 x R 160 ASAS-3(V) + CCDV Henden
20220327.9 Leo AO 12.0 BMM 119-125 D180413 86 x R 160 CCDV APASS
20220327.9 Leo RS <13.9 BMM 139 D100306 280 x R 160 ASAS-3(V) + CCDV Henden
20220327.9 Leo TZ 10.9 BMM 106-110 C110111 47 x R 160 ASAS-3(V) + CCDV Henden
20220327.9 Leo W <13.9 BMM 139 D090228 224 x R 160 ASAS-3(V) + CCDV Henden
20220327.9 Sex S 13.2 BMM 131-133 D100416 224 x R 160 ASAS-3(V) + CCDV Henden

Regards,
Marc
 
Observer: Marc Biesmans, Essen, Belgium
Initials: BMM
Internet: marcbiesmans@yahoo.com

Instruments: APM-LZOS 130 f/6 triplet apo refractor on Astro-Physics AP600E GTO mount (R130)
+ 6 x 30 mm, 8 x 40 mm, 8 x 56 mm, 10 x 60 mm and 15 x 70 mm binoculars (B30, B40, B56, B60 and B70)

All charts and sequences: BMM

Visual observations for May 01, 2022

All times: UT

Date(UT) Star Magn. Comp.stars Chart info Power Aperture Seq. photometry

LPV

20220501.9 Boo Z 12.1 BMM 115-123 D120701 87 x R 130 CCDV APASS
20220501.9 CrB S 11.2 BMM 111-116 B110501 49 x R 130 TASS(V) + CCDV Henden
20220501.9 Leo RS <12.2 BMM 122 D100306 156 x R 130 ASAS-3(V) + CCDV Henden
20220501.9 Leo TZ 12.1 BMM 120-122 C110111 87 x R 130 ASAS-3(V) + CCDV Henden
20220501.9 Ser WW 12.0 BMM 117-121 D110402 87 x R 130 ASAS-3(V) + CCDV Henden
20220501.9 Vir AP 12.9 BMM 127-130 D180412 156 x R 130 ASAS-3(V) + CCDV APASS
20220501.9 Vir RS 12.8 BMM 127-129 D180418 156 x R 130 CCDV APASS
20220501.9 Vir RU 11.3 BMM 112-114 D180414 49 x R 130 ASAS-3(V) + CCDV APASS
20220501.9 Vir SU <13.3 BMM 133 D090205 195 x R 130 ASAS-3(V) + CCDV Henden

Regards,
Marc
 
Observer: Marc Biesmans, Essen, Belgium
Initials: BMM
Internet: marcbiesmans@yahoo.com

Instruments: TS 150 f/8 ED doublet apo refractor on Astro-Physics AP Mach 1 GTO mount (R150)
+ 6 x 30 mm, 8 x 40 mm, 8 x 56 mm, 10 x 60 mm and 15 x 70 mm binoculars (B30, B40, B56, B60 and B70)

All charts and sequences: BMM

Visual observations for May 17, 2022

All times: UT

Date(UT) Star Magn. Comp.stars Chart info Power Aperture Seq. photometry

LPV

20220517.9 Boo Z 12.6 BMM 123-129 D120701 171 x R 150 CCDV APASS
20220517.9 CrB S 10.9 BMM 107-111 B110501 38 x R 150 TASS(V) + CCDV Henden
20220517.9 Leo RS <13.1 BMM 131 D100306 300 x R 150 ASAS-3(V) + CCDV Henden
20220517.9 Leo S 11.5 BMM 113-118 D081229 92 x R 150 ASAS-3(V) + CCDV Henden
20220517.9 Leo TZ 12.4 BMM 122-126 D110111 133 x R 150 ASAS-3(V) + CCDV Henden
20220517.9 Leo W <13.6 BMM 136 D090228 240 x R 150 ASAS-3(V) + CCDV Henden
20220517.9 Ser WW 12.4 BMM 121-124-127 D110402 133 x R 150 ASAS-3(V) + CCDV Henden
20220517.9 Vir AP 12.3 BMM 125 D180412 133 x R 150 ASAS-3(V) + CCDV APASS
20220517.9 Vir RU 11.5 BMM 114-117 D180414 75 x R 150 ASAS-3(V) + CCDV APASS
20220517.9 Vir SU <13.7 BMM 137 D090205 240 x R 150 ASAS-3(V) + CCDV Henden

Regards,
Marc
 
Observer: Marc Biesmans, Essen, Belgium
Initials: BMM
Internet: marcbiesmans@yahoo.com

Instruments: APM 152 f/8 ED doublet apo refractor on Astro-Physics AP Mach 1 GTO mount (R152)
+ 6 x 30 mm, 8 x 40 mm, 8 x 56 mm, 10 x 60 mm and 15 x 70 mm binoculars (B30, B40, B56, B60 and B70)

All charts and sequences: BMM

Visual observations for June 28/29, 2022

All times: UT

Date(UT) Star Magn. Comp.stars Chart info Power Aperture Seq. photometry

LPV

20220629.0 Aql SY 10.0 BMM 95-100-102 D090906 75 x R 152 ASAS-3(V) + CCDV Henden
20220628.9 CrB S 6.0 BMM 55-63 B110501 30 x R 152 Hipparcos + TASS(V) + CCDV Henden
20220629.0 Cyg DG <14.3 BMM 143 E090508 240 x R 152 TASS-V + CCDV Henden
20220629.0 Del SS <14.1 BMM 141 E150803 240 x R 152 ASAS-3(V) + CCDV APASS
20220629.0 Her AE <13.8 BMM 138 E080805 240 x R 152 ASAS-3(V) + CCDV Henden
20220628.9 Her SV 13.9 BMM 134-140 E091017 240 x R 152 ASAS-3(V) + CCDV Henden
20220629.0 Lyr RX 12.3 BMM 120-124 E090210 75 x R 152 TASS-V + CCDV Henden
20220629.0 Lyr RY 13.9 BMM 136-143 E181204 240 x R 152 TASS-V + CCDV APASS
20220628.9 Oph V970 11.7 BMM 115-119 D130402 92 x R 152 ASAS-3(V) + CCDV APASS

Regards,
Marc
 
Marc macht meines Wissens nur Variable; dieses auf hohem Niveau und mit einem eigenen optimierten System/Algorithmus.
Hierfür verwendet er verschiedene sehr geeignete Optiken.
 
Hi,

I don't use any Algorithmus at all.
For many year I worked as a chartmaker for the AAVSO, USA and I have access to all kinds of high quality photometry (that is available to anyone if
you know where to find it).
So I made all the charts and sequence (which are the selection of the comparison stars) by myself.
It's right that I bought very very many telescopes over the years.
I started with astronomy in 1980 and I observe (only) variable stars since 1994.
Over all those years, I bought more than 400 telescopes.
In fact, a few minutes ago, I bought already a new one.
At the moment I think the APM 152 apo has to go.
 
Zitat von Steinheil:
Marc macht meines Wissens nur Variable; dieses auf hohem Niveau und mit einem eigenen optimierten System/Algorithmus.
Hierfür verwendet er verschiedene sehr geeignete Optiken.
Klicke in dieses Feld, um es in vollständiger Größe anzuzeigen.
Habs zwar noch nicht verstanden, aber dennoch Danke für die Erklärung. ;)
Weil ich es nicht verstehe, dennoch eine Frage.
Ist das "visuelles" Beobachten?
Gruß Klaus
 
Hi Klaus,

In my every observation report including the last one, you can read: Visual observations for June 28/29, 2022.

I don't use any tools, besides: telescope, mount, diagonal and eyepiece and my own eyes.

For an explanation of the data, see my message here in this thread of Nov. 13, 2020
 
Hab mir jetzt mal aus Interesse den ganzen Thread durchgeschaut und komme zu den Fragen:
Gibt es für dieses Thema eigentlich interessierte Leser?
Warum gehst du, Marc, nicht auf die gerade mal 4 Beiträge von über 200 ein, in denen geschrieben steht, das es quasi schade ist, das deine Beiträge nicht gerade auf reisendes Interesse stößt? Das es eigentlich "Perlen vor die Sä... geworfen" ist.
Ist dieses Forum der richtige Platz für deine Auswertungen?
Sind diese Werke auch in anderen Foren nachzulesen?
 
Good Morming,

Hi Marc, I fear nearly nobody here ist able to understand the observation-results you post here.

In Germany there ist "BAV" very active in observation of variable stars, perhaps IT would improve your interchange to contact them instead of posting here.

I'll add the link later that day.

Kind regards
Joerg
 
Hi Joerg,

I send my obervations to this website and also the VSNet at the University of Kyoto, Japan, where they have a big database.
With posting my observations here, I hope to trigger interest of more people to start variable star observing.

Rgds,
Marc
 
Hi Marc,

this is the link you find the very most activities concerning the observation of variable stars (and spectroscopy) in the amateur-scene in Germany, where this aspect of astronomy is more or less a small sub-scene.

-> BAV

CS
Joerg
 
Zitat von BiesmansMarc:
With posting my observations here, I hope to trigger interest of more people to start variable star observing.

Rgds,
Marc
Klicke in dieses Feld, um es in vollständiger Größe anzuzeigen.
Hallo,
Wie sieht das Ergebnis nach 7 jähriger Missionsarbeit hier im Forum aus?
Ich kann es mir nur sehr schwer vorstellen, seit 7 Jahre, mit stoischem trockenen Blick, mit über 200 Beiträgen, voll mit Zahlen und Buchstaben, das die wenigsten verstehen, ohne mal einen Nebenweg zu bestreiten, in dem man mal Bilder, oder was von der Arbeit zeigt/erklärt, Menschen zu begeistern.
 
Hi Marc,

as Klaus wrote, publishing only tabels of numbers will catch no enthusiasts for an objective nobody understands here.

Here we mostly discus visual observing, astrophotography and amateur telescope making or software-activities.

So, as I wrote in an earlier post, have a look at BAV, those people understand what you do, can interprete your data or - better - can tell you where they send their data to.

Your posts here are, not to misunderstand, senseless.

Kind regards
Joerg
 
OK I understood.
In the future I will simplify the presentation of my report, just putting name of variable and the brightness.
Will make things much more clearer for people not too much familiar with variable star observing.
I am just back out of the hospital, have 2 difficult months after me now, and many more hospital visits in the future.

Rgds,
Marc
 
Observer: Marc Biesmans, Essen, Belgium
Initials: BMM
Internet: marcbiesmans@yahoo.com

Instruments: Celestron C8 XLT Edge HD 203 mm f/10 aplanatic Schmidt-Cassegrain on Astro-Physics AP Mach 1 GTO mount (SC203)
+ 6 x 30 mm, 8 x 40 mm, 8 x 56 mm, 10 x 60 mm and 15 x 70 mm binoculars (B30, B40, B56, B60 and B70)

All charts and sequences: BMM

Visual observations for Aug. 02, 2022

All times: UT

Date(UT) Star Magn. Comp.stars

LPV

20220802.9 Aql SY 10.1 100-102
20220802.9 Aql TV 10.4 103-108
20220802.9 Cyg DG <14.3 143
20220802.9 Del SS 12.7 124-127-129
20220802.9 Her AE <13.8 138
20220802.9 Her SV <14.5 145
20220802.9 Her VY 14.2 140-143
20220802.9 Lyr RX 12.3 120-124
20220802.9 Lyr RY <14.3 143
20220802.9 Oph V970 11.7 115-119

Regards,
Marc
 
Observer: Marc Biesmans, Essen, Belgium
Initials: BMM
Internet: marcbiesmans@yahoo.com

Instruments: Celestron CPC800, 203 mm f/10 Schmidt-Cassegrain on forkmount (SC203)
+ 6 x 30 mm, 8 x 40 mm, 8 x 56 mm, 10 x 60 mm and 15 x 70 mm binoculars (B30, B40, B56, B60 and B70)

All charts and sequences: BMM

Visual observations for Oct. 10, 2022

All times: UT

Date(UT) Star Magn. Comp.stars

LPV

20221010.8 Aql SY 11.8 117-122
20221010.8 Aql TV 11.1 108-112
20221010.8 Lyr RX <14.2 142
20221010.8 Lyr RY <13.6 136

Regards,
Marc
 
Observer: Marc Biesmans, Essen, Belgium
Initials: BMM
Internet: marcbiesmans@yahoo.com

Instruments: Celestron CPC800 EHD, Edge HD SCT on CPC forkmount (SC 203)
+ 6 x 30 mm, 8 x 40 mm, 8 x 56 mm, 10 x 60 mm and 15 x 70 mm binoculars (B30, B40, B56, B60 and B70)

All charts and sequences: BMM

Visual observations for May 17, 2023

All times: UT

Date(UT) Star Magn. Comp.stars

LPV

20230517.9 Boo Z <14.1 BMM 141
20230517.9 CrB S 12.5 BMM 123-126
20230517.9 Leo TZ 12.9 BMM 128-131
20230517.9 Ser WW 12.2 BMM 120-124
20230517.9 Vir AP 13.0 BMM 127-130
20230517.9 Vir SU 13.6 BMM 133-135

Regards,
Marc
 
Observer: Marc Biesmans, Essen, Belgium
Initials: BMM
Internet: marcbiesmans@yahoo.com

Instruments: Celestron C6 and C8, 150 mm and 203 mm Schmidt-Cassegrain on Astro-Physics AP600E GTO mount (SC 150 and SC 203)
+ 6 x 30 mm, 8 x 40 mm, 8 x 56 mm, 10 x 60 mm and 15 x 70 mm binoculars (B30, B40, B56, B60 and B70)

All charts and sequences: BMM

Visual observations for May 20/21, 2023

All times: UT

Date(UT) Star Magn. Comp.stars

LPV

20230521.0 Her AE 9.6 BMM 94-98
20230521.0 Her DS <13.6 BMM 136
20230520.9 Her SV <13.4 BMM 134
20230521.0 Lyr RX <14.2 BMM 142
20230521.0 Lyr RY 13.2 BMM 130-136
20230520.9 Oph V970 <12.9 BMM 129

Regards,
Marc
 
Observer: Marc Biesmans, Essen, Belgium
Initials: BMM
Internet: marcbiesmans@yahoo.com

Instruments: Celestron C8, 203 mm Schmidt-Cassegrain on Astro-Physics AP600E GTO mount (SC 203)
+ 6 x 30 mm, 8 x 40 mm, 8 x 56 mm, 10 x 60 mm and 15 x 70 mm binoculars (B30, B40, B56, B60 and B70)

All charts and sequences: BMM

Visual observations for May 28, 2023

All times: UT

Date(UT) Star Magn. Comp.stars

LPV

20230528.0 Aql SY 11.8 BMM 117-122
20230528.0 Aql TV 10.6 BMM 103-108
20230528.0 Cyg DG 14.0 BMM 138-143
20230528.0 Cyg WY 10.1 BMM 98-104
20230528.0 Del SS <14.1 BMM 141
20230528.0 Her SV <14.3 BMM 143
20230528.0 Peg TV 12.8 BMM 124-129

Regards,
Marc
 
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