A Year in the Sun
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A Year in the Sun
A project that started with tracking a single sunspot for 7 days continued for an year and this image is the final result of an year-long project. I took an image of the sun for 365 days in a row (from 25th December 2020 to 31st Decmeber 2021, except for 6 days due to complete cloud cover). This image is a blend of all the 365 images showing all the sunspots (AR12794-AR12821) that appeared on the earth-facing solar disk.
Exif: f/6.3, ISO 100, Varied shutter speed (1/60s-1/500s)
Processing: PIPP, Adobe Camera Raw, Photoshop
Equipment: Nikon D5600, Sigma 150-600c Lens, Thousand Oaks White-light solar filter, Benro rhino series tripod
Date: 25th December 2020 to 31st December 2021
Location: Kolkata, India
Exif: f/6.3, ISO 100, Varied shutter speed (1/60s-1/500s)
Processing: PIPP, Adobe Camera Raw, Photoshop
Equipment: Nikon D5600, Sigma 150-600c Lens, Thousand Oaks White-light solar filter, Benro rhino series tripod
Date: 25th December 2020 to 31st December 2021
Location: Kolkata, India
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Re: A Year in the Sun
Dear SoumyadeepMukherjee,
Your work is amazing!!!!
All your posts are incredible and those that show very long periods of sun activity are truly fascinating.
There is a huge work and dedication behind them.
Since your first ones, I always had the following question:
How is it possible to have 360 days of sun (even partially sunny days in a place?
Are you so lucky in Kolkata, or are you daily on the move to find a location in India where there is no cloud coverage?
Are all photos from your home?
Anyway, your work is fantastic! Congratulations once more!
Alexandros
Your work is amazing!!!!
All your posts are incredible and those that show very long periods of sun activity are truly fascinating.
There is a huge work and dedication behind them.
Since your first ones, I always had the following question:
How is it possible to have 360 days of sun (even partially sunny days in a place?
Are you so lucky in Kolkata, or are you daily on the move to find a location in India where there is no cloud coverage?
Are all photos from your home?
Anyway, your work is fantastic! Congratulations once more!
Alexandros
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Re: A Year in the Sun
Fantastic work! An excellent example of patience, consistency, dedication and documentation, all combined in a single image!
The solar belts are so easily seen!!
Two thumbs up!!
James
The solar belts are so easily seen!!
Two thumbs up!!
James
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Re: A Year in the Sun
Thank you for your kind words Alexandros!H-Alpha wrote: ↑Fri Mar 04, 2022 3:06 pm Dear SoumyadeepMukherjee,
Your work is amazing!!!!
All your posts are incredible and those that show very long periods of sun activity are truly fascinating.
There is a huge work and dedication behind them.
Since your first ones, I always had the following question:
How is it possible to have 360 days of sun (even partially sunny days in a place?
Are you so lucky in Kolkata, or are you daily on the move to find a location in India where there is no cloud coverage?
Are all photos from your home?
Anyway, your work is fantastic! Congratulations once more!
Alexandros
Let me try to answer your question.
Out of this 365 days, around 200 days were sunny (when I could see the sun for 5 minutes or more), around 130 days were cloudy (when I could see the sun for less than 5 minutes) and rest of the days were horrible. On those horrible days, I would wait on the terrace with my equipment for 3-4 hours (the highest being 9 hours) and the sun would appear through the clouds for 30 seconds. Since I used a rather simple set up, I was able to capture an image or two of the sun within that 30 seconds. Those 60-70 days, if seen from a general perspective, would appear completely cloudy. But those 20-30 seconds allowed me to do what I was doing. And on 6 days, I could not see the sun at all!
I hope this answers your query!
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Re: A Year in the Sun
Thanks a lot James!!DeepSolar64 wrote: ↑Fri Mar 04, 2022 3:50 pm Fantastic work! An excellent example of patience, consistency, dedication and documentation, all combined in a single image!
The solar belts are so easily seen!!
Two thumbs up!!
James
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Re: A Year in the Sun
Fantastic job !
Thanks for sharing
Thanks for sharing
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Re: A Year in the Sun
SoumyadeepMukherjee wrote: ↑Fri Mar 04, 2022 4:01 pmThanks a lot James!!DeepSolar64 wrote: ↑Fri Mar 04, 2022 3:50 pm Fantastic work! An excellent example of patience, consistency, dedication and documentation, all combined in a single image!
The solar belts are so easily seen!!
Two thumbs up!!
James
VERY well deserved!!
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Re: A Year in the Sun
Very complete and detailed answer! :-)SoumyadeepMukherjee wrote: ↑Fri Mar 04, 2022 4:00 pm
Thank you for your kind words Alexandros!
Let me try to answer your question.
Out of this 365 days, around 200 days were sunny (when I could see the sun for 5 minutes or more), around 130 days were cloudy (when I could see the sun for less than 5 minutes) and rest of the days were horrible. On those horrible days, I would wait on the terrace with my equipment for 3-4 hours (the highest being 9 hours) and the sun would appear through the clouds for 30 seconds. Since I used a rather simple set up, I was able to capture an image or two of the sun within that 30 seconds. Those 60-70 days, if seen from a general perspective, would appear completely cloudy. But those 20-30 seconds allowed me to do what I was doing. And on 6 days, I could not see the sun at all!
I hope this answers your query!
It shows what I was suspecting... Your patience and dedication is huge! You are in love with the sun! :-)
And we are all happy about this, since it can produce fantastic results.
Congratulations, respect and thanks once more!
Alexandros
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Re: A Year in the Sun
Thanks again!H-Alpha wrote: ↑Fri Mar 04, 2022 6:01 pmVery complete and detailed answer! :-)SoumyadeepMukherjee wrote: ↑Fri Mar 04, 2022 4:00 pm
Thank you for your kind words Alexandros!
Let me try to answer your question.
Out of this 365 days, around 200 days were sunny (when I could see the sun for 5 minutes or more), around 130 days were cloudy (when I could see the sun for less than 5 minutes) and rest of the days were horrible. On those horrible days, I would wait on the terrace with my equipment for 3-4 hours (the highest being 9 hours) and the sun would appear through the clouds for 30 seconds. Since I used a rather simple set up, I was able to capture an image or two of the sun within that 30 seconds. Those 60-70 days, if seen from a general perspective, would appear completely cloudy. But those 20-30 seconds allowed me to do what I was doing. And on 6 days, I could not see the sun at all!
I hope this answers your query!
It shows what I was suspecting... Your patience and dedication is huge! You are in love with the sun! :-)
And we are all happy about this, since it can produce fantastic results.
Congratulations, respect and thanks once more!
Alexandros
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Re: A Year in the Sun
A tremendous contribution to the Forum. We so appreciate your patience, persistence and skill.
Jordan
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Re: A Year in the Sun
An excellent example of patience and that dedication,
Thanks vm for sharing your work
Terry
Thanks vm for sharing your work
Terry
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Re: A Year in the Sun
6 days of cloud cover?! Welcome to Finland, feel free to experience what 6 days of sunshine in a year feels like (not quite but it surely feels like it as part of the year with clear skies etalons would freeze).
Awesome work, really nice! You have gathered a lot of scientific data for that
Awesome work, really nice! You have gathered a lot of scientific data for that
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Re: A Year in the Sun
Fantastic! I think if I were to try this in southern Ohio I would have about 50-60 (minimal!) days of total cloud cover so some big gaps in the image!!
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Re: A Year in the Sun
Thank you so much Jordan!Jordan Konisky wrote: ↑Fri Mar 04, 2022 6:10 pm A tremendous contribution to the Forum. We so appreciate your patience, persistence and skill.
Jordan
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Re: A Year in the Sun
Thank you Terry!!EGRAY_OBSERVATORY wrote: ↑Fri Mar 04, 2022 6:29 pm An excellent example of patience and that dedication,
Thanks vm for sharing your work
Terry
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Re: A Year in the Sun
Thank you!!cmas wrote: ↑Fri Mar 04, 2022 6:30 pm 6 days of cloud cover?! Welcome to Finland, feel free to experience what 6 days of sunshine in a year feels like (not quite but it surely feels like it as part of the year with clear skies etalons would freeze).
Awesome work, really nice! You have gathered a lot of scientific data for that
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Re: A Year in the Sun
Brilliant image! Feels like we only get 6 sunny days a year here!
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Re: A Year in the Sun
Thanks Mark!marktownley wrote: ↑Sat Mar 05, 2022 8:10 am Brilliant image! Feels like we only get 6 sunny days a year here!
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Re: A Year in the Sun
Wonderful result, and indeed congratulation for your dedication and patience!
Did you try making an animation out of this? I guess it would be impressive!
By the way, do the sunspots appear at mostly random latitude in the two bands during your one-year observations, or a (time slice of) butterfly diagram is already noticeable from your data?
I also wonder if there is an easy way to correct for the fact that the solar equator appear to us as a straight line in June and December, while it is curved towards the North pole in March and towards the South pole in September.
Best, Daniele
Did you try making an animation out of this? I guess it would be impressive!
By the way, do the sunspots appear at mostly random latitude in the two bands during your one-year observations, or a (time slice of) butterfly diagram is already noticeable from your data?
I also wonder if there is an easy way to correct for the fact that the solar equator appear to us as a straight line in June and December, while it is curved towards the North pole in March and towards the South pole in September.
Best, Daniele
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Re: A Year in the Sun
Hi Daniele, thanks for writing. I made an animation of the first 100 days, but I did not find it much interesting.daniele_bonfiglio wrote: ↑Mon Mar 07, 2022 8:39 am Wonderful result, and indeed congratulation for your dedication and patience!
Did you try making an animation out of this? I guess it would be impressive!
By the way, do the sunspots appear at mostly random latitude in the two bands during your one-year observations, or a (time slice of) butterfly diagram is already noticeable from your data?
I also wonder if there is an easy way to correct for the fact that the solar equator appear to us as a straight line in June and December, while it is curved towards the North pole in March and towards the South pole in September.
Best, Daniele
Initially, the spots appeared on the higher latitudes and gradually came closer towards the equator.
Sorry, I do not have an answer for your last question.
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Re: A Year in the Sun
It's well deserved. That was an awesome job!!
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Re: A Year in the Sun
This is superb work. It shows the two active belts beautifully.
With so much precious data, captured by you with such dedication, it would be a shame not to make an animation from this.
Stu.
With so much precious data, captured by you with such dedication, it would be a shame not to make an animation from this.
Stu.
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Re: A Year in the Sun
Thank you so much Stu! I have always failed to do an amimation. The last time I made it was with 100 days of data (and somehow I didn't find it interesting!). I have been delaying processing this bunch of data for 3 months and not sure when I can gather courage to create the animation. I will try my best to make one out of it (I said it before too, but failed!)
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Re: A Year in the Sun
Congratulations on the SPOD!
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Re: A Year in the Sun
Interesting image, and congrats.
I thought AR2921 was present on 31st Dec 2021, and a large spot AR2916 was there on the last day of December 2021 (source: spaceweather.com). Yet you say only 36 sunspots were present in your description for the whole year, and your final spot was AR2821).
Magnus
I thought AR2921 was present on 31st Dec 2021, and a large spot AR2916 was there on the last day of December 2021 (source: spaceweather.com). Yet you say only 36 sunspots were present in your description for the whole year, and your final spot was AR2821).
Magnus
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Re: A Year in the Sun
Hi Mukherjee,
Description of climate: what happens in the monsoon period : June to October?
https://www.climatestotravel.com/climate/india/kolkata
There is a sunny and pleasantly warm winter from December to February, when, however, the night temperature can sometimes drop below 10 °C (50 °F), so it's better to bring a sweater and a light jacket. Then, there is a very hot period from March to May, before the monsoon, when the temperature can reach or exceed 40 °C (104 °F) in the worst moments, and a rainy season from June to mid-October, characterized by stifling weather, widespread cloudiness and frequent rains. From mid-October to mid-November, before the winter, there is a period lasting one month with good weather and high temperatures, around 30 °C (86 °F).
Here are the average temperatures.
Description of climate: what happens in the monsoon period : June to October?
https://www.climatestotravel.com/climate/india/kolkata
There is a sunny and pleasantly warm winter from December to February, when, however, the night temperature can sometimes drop below 10 °C (50 °F), so it's better to bring a sweater and a light jacket. Then, there is a very hot period from March to May, before the monsoon, when the temperature can reach or exceed 40 °C (104 °F) in the worst moments, and a rainy season from June to mid-October, characterized by stifling weather, widespread cloudiness and frequent rains. From mid-October to mid-November, before the winter, there is a period lasting one month with good weather and high temperatures, around 30 °C (86 °F).
Here are the average temperatures.