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I spend this website many hours each week to share my knowledge and experience from the areas of Astronomy, Cars and Travels. Most pages are written in English that is not my own native language, so do not judge me too hard if you find grammatical errors and more. |
Welcome to my home !
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Highlights!(these pages could be a mix of Swedish and English) Contents:
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News:Here I have collected news I found interesting. Technology, Astronomy, Cars, Travels etc. |
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February 7, 2023 Astronomy: Project
Update: |
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February 7, 2023 Astronomy: Project
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6 Februari, 2023
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February 6, 2023 Astronomy: Project
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February 5, 2023 Astronomy, comets A new comet is approaching us, the comet ZTF C/2022 E3. It will be as brightest in January in the Northern world. On the Christmas night I got my first clear sky and I could take photos of it from the balcony: The comet ZTF C/2022 E3:
Update: astronomy/ astronomy-photo/ comets/ astronomy-photo-comets.html Other comet photos. |
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February 3, 2023 Astronomy: Tutorial I found a way to disable the auto focus function in my Canon ES 6D camera when still the lens is in autofocus:
You find it on page 4. |
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January 29, 2023 Astronomy: Calculations
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January 28, 2023 Astronomy: Project
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January 28, 2023 Astronomy: Project
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January 24, 2023 Astronomy: Project
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January 20, 2023 Astronomy, comets I found this comet in my archives from 2016, didn't do anything with in that time more than a test with relative guiding. Poor data and lot of dust blobs. Now I got to find the weak magnitude 18 comet: The comet PanSTARRS C/2014 W2:
astronomy/ astronomy-photo/ comets/ astronomy-photo-comets.html Other comet photos. |
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January 20, 2023 Astronomy, comets The same night I took photos of the comet ZTF I also got some photos of the much weaker PanSTARRS comet: The comet PanSTARRS C/2022 A2:
astronomy/ astronomy-photo/ comets/ astronomy-photo-comets.html Other comet photos. |
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January 18, 2023 Astronomy, comets Comet Panstarrs C/2015 O1, one more weak comet of the forgotten list: The comet Panstarrs C/2015 O1:
astronomy/ astronomy-photo/ comets/ astronomy-photo-comets.html Other comet photos. |
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January 17, 2023 Astronomy, comets Comet Iwamoto C/2020 A2, one more weak comet, but no good luck with the weather: The comet Iwamoto C/2020 A2:
astronomy/ astronomy-photo/ comets/ astronomy-photo-comets.html Other comet photos. |
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January 17, 2023 Astronomy, comets Ikeya Murakami, the comet that broke apart. I never got to find this comet on my photo, now I maybe have the explanation: The comet Ikeya Murakami P/2010 V1:
astronomy/ astronomy-photo/ comets/ astronomy-photo-comets.html Other comet photos. |
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January 17, 2023 Astronomy, comets One more comet that I sat on the waiting list three years ago. These weak comet are not much to see, but exiting to find them on the photos. As you maybe already know I live at a Bortle Class 9, place, as worse as it can be.: The comet Atlas C/2019 N2:
astronomy/ astronomy-photo/ comets/ astronomy-photo-comets.html Other comet photos. |
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January 16, 2023 Astronomy: Tutorial One of my first tutorials I wrote was about how to do a relative guiding on comets. It guide on a star and the computer calculate the offset speed between the star and the comet and correct for that. I have looked through the text and updated links and added more photos. The software has developed a lot but still the principle is the same: |
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January 13, 2023 Astronomy: Tutorial
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12 januari, 2023 Mörka observationsplatser: Astronomi Titta på dessa två videor tagna från England respektive Teneriffa.
England har ungefär samma klimat som vi har i Sverige, känner ni igen er ?
6 timmars flygresa och man har det så här. De här farbröderna har verkligen förstått hur man kan njuta av sin favorithobby. |
This:
Or this: 
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January 10, 2023 Astronomy The year that's gone by:The year 2022 I achieved some important goals in my astronomy hobby:
A good year ! |
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January 3, 2023 3D printer and CAD
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December 19, 2022 Astronomy, double star From our balcony with a very narrow view there are not many objects to choose from. This night I took photos of Messier 40. An optical double star: M40 an optical double star:
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December 7, 2022 Astronomy, solar eclipse history I have asked all my friends and relatives if someone have a memory from Sweden's last total solar eclipse 1954. I got an enormous response with lot of stories about this. I have collected them on a separate page and included some other information: The Solar eclipse 1954 in Sweden:
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December 6, 2022 Astronomy: Events reports
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December 7, 2022 Cars, Chrysler Crossfire wheels angles:
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December 1, 2022 Cars, Chrysler Crossfire:
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November 24, 2022 Astronomy: Project
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November 19, 2022 Astronomy, observatory sites 2021 we visited Kvistaberg's and Tamm's observatories and took outdoors photos. Now we got the opportunity to come inside and see the big Schmidt Cassegrain telescope, see page 1b: Kvistaberg's and Tamm's Observatories:
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November 12, 2022
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November 7, 2022 Astronomy, observatory sites The last observatory we visited in Croatia was the Rijeka Observatory. They find it very interesting and guided us around in the observatory: Rijeka Observatory:
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November 7, 2022 Astronomy, observatory sites Earlier I visited the Uppsala old Observatory. I could only see them from outdoors. Now my friend Christoffer have sent me some photos of the interior with the old telescopes: Uppsala old Observatory:
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November 4, 2022 Travel Europe
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October 25, 2022 Cars, Chrysler Crossfire:
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October 18, 2022 Astronomy, observatory sites On our latest travel in Europe in Croatia we got a lot of astronomy related things to see. First out, the street astronomer in Rovinj: Street astronomer in Rovinj:
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October 21, 2022 Astronomy, solar eclipse history I found earlier a documentary film of the 1914 years solar eclipse. Now I have analyzed the film and done some comments and a simulation of it: The Solar eclipse 1914:
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September 29, 2022 Astronomy, observatory sites I found some very old drawings of the Stockholm's old Observatory which I have included in my and Nippe's article: Stockholm old Observatory:
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September 27, 2022 Astronomy, observatory sites In September it was the Astronomy Day in Sweden. We visited the observatory at Saltsjöbaden which had Open House. Follow us on these two guided tours we joined: Stockholm "New" Observatory:
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September 23, 2022
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September 11, 2022 HIFI
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September 6, 2022 Travel Europe
All days of travel report finished. |
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28 augusti, 2022 Restauranger:
Andra nöjen: Nöjen i Stockholm |
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August 21, 2022 Boats / Monalisa
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August 21, 2022 Travel Gotland in Sweden
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29 juli, 2022
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July 7, 2022 Home Theatre
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6 juli, 2022
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July 4, 2022 3D printer
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June 3, 2022 Astronomy: Astronomy Project
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June 3, 2022 Astronomy: Astronomy Project
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Old design
New design
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June 2, 2022 Travel Sweden
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30 april, 2022 Takpubar och restauranger:
Andra nöjen: Nöjen i Stockholm |
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7 april, 2022 Min fars äventyr som sjöman under åren 1937 till 1945:
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April 2, 2022 3D printer
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28 mars, 2022 Mörka observationsplatser: Astronomi
Andra observationsplatser i Stockholm: All other news: News. |
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October, 2022 Astronomy, Impact structures (meteorite craters) In Mars 2022 I passed close to the lake Västra Styran. I know I have read about it somewhere that it's maybe an old meteorite crater:
It's no 10 on the map. |
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Mars 17, 2022 Astronomy: Project
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Mars 13, 2022 Astronomy: Project
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Mars 10, 2022 Astronomy: Tutorial
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January 29, 2022 Astronomy: Project
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January 16, 2022 Astronomy, Seven stars in Big Dipper, part of constellation Great Bear Tonight I have problem which object on the heaven I wanted to take photo of. Then I saw that I had the constellation Great Bear outside the window. Why not take photos of the seven stars that built the Big Dipper which is a part of the Great Bear ? Afterwards I can analyze the images and see what's more there, sounds a bit exiting to me:
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January 5, 2022 Astronomy tutorial: Ekos Sequencer
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January 11, 2022 Astronomy: Lens data base
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November 14, 2021
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September 1, 2021 Bilskrotar kartor:
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August 15, 2021 Travel Sweden
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April 15, 2021 Astronomy: Project
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April 3, 2021 3D-printing: CAD
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Mars 23, 2021 Astronomy prof Gösta Gahm 
I, prof Gösta and Peter at the Sweden Solar system presentation, Gunilla is the photographer. Something very sad has happen, in January 2021 I got the information that Gösta had passed away. We had known each other for more than 25 years, both I and Gunilla had him as a teacher in more than one courses we took in astronomy from 1995 to 2002 and we kept the contact since then. This meeting with the Jupiter model was the last time we saw him and at Christmas I got a greeting from him, since then nothing. Goodbye Gösta, we hope you have a great time up among the stars ! Gösta has one asteroid named after him: 10997 Gahm. Lars and Gunilla
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February 1, 2021 Astronomy: Project
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29 januari, 2021 Nyheter om det år 1940 förlista fartyget S/S Sylvia:
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January 9, 2021 3D CAD
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15 november, 2020 Befästningslinjen Södra fronten: Svensk historia
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August 17, 2020 Astronomy, meteor showers In August we have the Perseid meteor shower, I did it a bit different this time. I used a GoPro camera:
Update: |
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29 juli, 2020 Modellbåten Flamingo från Wentzel: Hobby
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June 12, 2020 Cars
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April 30, 2020 Home Theatre
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December 12, 2019 Astronomy, calculation
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November 8, 2019 Astronomy / seminar
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July 3, 2019 Travel, walks with old and new photos
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May 19, 2019 Sound / Image
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27 januari, 2019 Nya kartor över fornlämningar: Fornhistoria
Other history related in Sweden: All other news: News. |
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New links:Here I have collected new links that I found interesting. Technology, Astronomy, Cars, Travels etc. |
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January 23, 2023 Astronomy interesting reading I think these eight links is interesting for all who find astronomy interesting:
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Mars 16, 2022 Astronomy, lens Japan must have looked at my site, they are now sending a Pentax 300 mm f/4 lens to space. I use an older variant in my 300 mm astronomy project.
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Mars 12, 2022 3D-Printing, Astronomy Found this Batinov mask generator, I have never test it but looks interesting.
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February 21, 2022 Mechanical ideas Found this YouTube video when I search for information. He do a deep in analyze of auto guiding in combination with different telescopes.
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February 9, 2022 Mechanical ideas Maybe something that can give you ideas how to construct details with your 3D-Printer.
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12 January, 2022 Historia Sverige Om du är intresserad av svensk historia och bor på östkusten är denna dokumentär riktigt intressand för dig. Handlar om Ryssarnas härjningar på svenska östkusten år 1719:
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January 12, 2022 Astronomy Smart Telescope You maybe only do visual observations because you feel it's too complicated to do astrophotographing. Then this instructions video could be of interest for you, or just because Lazy Geek do a lot of nice videos in the Astronomy area. Have one hour of pleasure !
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Mars 10, 2021 Travel and Astronomy Astro-tourism, a growing tourist travel area.
I have primarily chosen places that I can reach from Sweden within 6 hours by air. Most of them are in Spain. |
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December 8, 2020 Astronomy education
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Overview of the links: |
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Must do stuff:Technology, Astronomy, Cars, Travels etc. (look carefully that it has not been canceled or has a changed date) |
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January 3, 2023 Astronomy Comet C/2022 A2 PanSTARRS, something to look for, Jan to mars, 2023. But it's weak, best to photograph it:
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November, 2022 Astronomy Comet C/2022 E3 ZTF: 
Star Chart from: CdC |
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Mars, 2022 Astronomy Comets to view 2022:
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Föredrag: (Stockholm, Sverige)
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2022 Visning / Föredrag
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