CMHASD Solar Observing at Hall Place – 19th August 2023

NEVER LOOK AT THE SUN DIRECTLY. Please click here for solar observing safely.

On Saturday the 19th of August several members of the Society were present for the second of our 2 solar observing sessions at Hall Place & Gardens.  Below are some photos of the day.  Thank you to Dr Mike Rushton, Honor Wheeler, Jim Burchell, Omila and Diane Clarke for sharing your photos.

The Sun in Hydrogen Alpha taken by Honor Wheeler using a Personal Solar Telescope (PST).

 

The Sun in white light taken by Omila using an iPhone with an adapter and telescope fitted with a Solar filter.

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Solar Observing at Hall Place & Gardens – Sunday 6th August 2023

NEVER LOOK AT THE SUN DIRECTLY. Please click here for solar observing safely.

Sunday 6th August 2023 – What a glorious day to be out solar observing which is what Crayford Manor House Astronomical Society Dartford (CMHASD) where doing at Hall Place & Gardens in Bexley. 

What a busy day it was too! Several telescopes were set up to observe the Sun safely and members of the public were invited to do some solar observing which was readily accepted by many.  The Sun put on a good display having several sunspots and prominences for the public to view.

Chairman John Archer wrote ''On Sunday 6th August, the team from CMHASD set ourselves up for the first of our two Solar Observing events at Hall Place & Gardens.

The forecast was for early morning sun, followed by sunny intervals until around 11am, but cloudy conditions until the arrival of rain at 4pm. Given that our timeslot was effectively 11am – 3pm, we were nervous to say the least!

Our pitch was on the grass at the end of the path from the main entrance to the gardens, and we were quite close to the hard standing outside the art gallery and café. With the date being chosen to coincide with the Farmers’ Market, we experienced good foot-fall and our flag was prominent for visitors as they arrived.

At one point we had around a dozen members in attendance and the public were treated to displays of sunspots the like of which we haven’t seen for years. Whilst the big Dob Anita was an immediate attraction, we had Tinie, two solar projectors and a range of H-Alpha and white light filtered scopes with which to demonstrate safe solar observing to a very interested public.

Of particular note was the filtered refractor which Honor had set up with a digital camera attached, affording visitors a proper “live view” of the surface of the sun. Each of the scopes were able to display clear views of sunspots such was their size and quantity. This solar cycle has certainly picked up in terms of activity and although the local forecast was for cloudy conditions, we very much lucked out in terms of clear spells so the public were very fortunate that during the period while the Farmers’ Market was trading, we were able to keep them entertained and educated.

The Crayford team returns again later in August for our second session but there’s no doubt this first visit to Hall Place for Solar Observing in 2023 was a great success.''

Below is an image of the Sun on the 6th August 2023 taken by member Honor Wheeler.  The Sun was very active with lots of sunspots. Image acquired using an ED80 Refractor, EQ3 Synscan mount, Canon M6 MarkII, 2x lens Barlow and ISO200/ exp 1/1250s.

CMHASD will be back at Hall Place on Saturday 19th August 2023 to do some more Solar Observing with the public. Please do come and join us!

Thank you to John Archer, Diane Clarke and Honor Wheeler for sharing your photos of the day with us.

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CMHASD Star Gazing at Hall Place & Gardens – 2022, Nov 30.

On Wednesday 30th November 2022, CMHASD were back at Hall Place & Gardens to hold a star gazing event.  We had brilliant support from our members – thanks to all – who bought along a variety of telescopes, cameras, meteorites and other displays for our guests.

 

We had over 33 ticket-holders to entertain and those who arrived early did catch sight of Jupiter, Mars and the Moon.

We ran through a handful of short talks – including a review of popular astronomy apps by Marc and a talk from Debra on Comets, followed by a successful comet-making demo to an enthralled audience.

Further gaps in the clouds allowed visitors another chance to observe with us. It’s always rewarding to hear the “oohs and aahs” of a first-time view of Jupiter’s moons through a decent scope. The Society Dob’s are just brilliant at that.

So thank you to the whole crew (you know who you are) for setting up, interacting, educating and closing down the show. It was very successful indeed.

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Partial Solar Eclipse – 2022 Oct 25 – Open Morning at the Pavilion

NEVER LOOK AT THE SUN DIRECTLY. Please click here for solar observing safely.

On Tuesday 25th October 2022, CMHASD held an Open Morning at the Parsonage Lane Pavilion for members & members of the public to view the rare spectacle of a Partial Solar Eclipse visible from the UK.

It turned out to be an absolutely fantastic day and one that people who were there will not forget.

It was a warm sunny day with clear skies at the start of the partial eclipse and come 10.09am BST we were rewarded with the first views of the Moon partially obscuring the Sun.

Members used a variety of safe techniques to view & image the partial eclipse for nearly 1 1/2 hours (with a few breaks due to cloud cover) until a little after 11.30am when it started to rain.

The setup shown below is using the image projection method with a 4 1/2'' Tal Newtonian reflector.

 

  

Member Gary Hunt who was present that day at the pavilion and took many of photos used in this post wrote "Whenever there is an astronomical event in our locality of the UK, CMHASD is pleased to take the opportunity to share with the public the wonders of the Universe. The morning of Tuesday 25th 2022 was such an opportunity as we were treated to a partial eclipse of the sun. This is quite a rare phenomenon for the UK and even a few tens of miles can make a big difference to what you will see. Sadly for our observatory and home that is the ‘Pavilion’ in Sutton-at-Hone Dartford this would be only be around 15% covering of the sun in the nearly two hour solar eclipse by the Moon, but with the aid of SAFE observing techniques and equipment provided by CMHASD members we were able to demonstrate and explain to our visitors just what was happening. Besides the eclipse, and with most of our telescopes we were able to see two sets of sun spots and even a few solar prominences. The sun was visible until the last half-an-hour when clouds and some spots of rain spoiled our observing session, but we were lucky that most of the best parts of the eclipse was pretty cloud free! We had a small, but enthusiastic number of guests come along to observe the eclipse, and I can confidently claim that they were all suitably impressed with their experience. We had challenges that day because on the Sunday before, a thunder storm knocked out electrical power supply to the Pavilion and so we had no lighting or power for hospitality for our guests, however we used thermos flasks of tea/coffee and generous Society members brought along some cakes, so I think we were forgiven? All-in-all, I would judge that we had a successful solar/eclipse public out-reach session and guests and members enjoyed the solar-show immensely."

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Below are a collection images of the partial solar eclipse including a time lapse video by members who were at the pavilion.............

 

Jim Burchell

All 6 of Jim's superb images were taken with a Pentax KP attached to an Altair Astro 102 Refactor using a white light Solar filter. Image's then coloured using Snapseed. 

Image 1 start of the eclipse.  Iso 200 1/200 sec F7.5 approx 

Image 2 roughly mid eclipse. Iso 200 1/250 sec 

Image 3  a couple of minutes before the end of the eclipse. 
ISO 200 1/160 sec.

This image was taken roughly mid eclipse and shows more surface detail than Jim's other images.

A very atmospheric image of the partial eclipse near the end.

 

 

Diane Clarke

Diane Clarke's stunning image has been rotated to match event and also shows sun spots 3126, 3130 & 3131.  Diane acquired the image using a Camera EOS M50m2 at ISO  400 @ 1/2000 Sec. Jpeg from RAW.

 

Mike Rushton

Dr. Mike Rushton's super image was taken just before clouds intervened at about maximum eclipse time.  Mike acquired the image using a Canon EOS 60D Lens: EF70-300mm f/4-f/5.6 IS USM, Focal length 300m f/8 1/500s ISO 200.

Below is a time lapse video of the partial solar eclipse put together by Mike.

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Meanwhile members who were unable to be at the pavilion acquired these images below of the partial eclipse at various locations around Bexley including a time lapse video......

 

Simon Dawes

Details of how Simon acquired the image are on his photo.

Member Simon Dawes who was at home that morning wrote ''I hadn't intended observing the partial solar eclipse,  my plan had been to process some exoplanet data from the the night before but the day started out so nice and cloud free, I thought why not.  As I was setting up I heard that one of our members wouldn't be able to see it, they were isolating due to COVID.  So armed with a connection on my mobile phone and the societies Zoom details I set up an impromptu zoom stream to share my observatory PC so that anyone wanting to see it that couldn't get to the pavilion would be able to.''

Below are a couple of images of the partial solar eclipse broadcast via Zoom set up by Simon and a time lapse video of the eclipse.

 

Janice McClean

Member Janice imaged the partial eclipse until the rain came.  Details of how Janice acquired her great images are on the photos.

 

 

Terry Miles

Terry Miles super set of images were acquired using a Coronado Personal Solar Telescope (PST) using a 8mm-24mm zoom and an  iPhone 13.

 

Some members who were at work that day managed to get some images too........

 

John Archer

In the City of London CMHASD Chairman John took this image.

 

Honor Wheeler

On a tea break at work Honor took this image using a BAA solar viewer with her phone.

 

And those members who live further a field shared their images they got of the partial solar eclipse also.

 

Martin Crow

Martin took this image of the partial eclipse showing some sunspots too from Burnham-on-Crouch, Essex. Shot using a DSLR 550d, 200mm lens with an astro solar filter, iso 100 & shutter speed 1/15sec.

 

Stephen Cohen

Stephen took this image from Cumbria using an iPhone through Mylar film.

 

CMHASD would like to say a big thank you to Gary Hunt, Diane Clarke, Dr. Mike Rushton and John Archer for organising the day and to the members who shared their photos & images. Absolutely brilliant!

CMHASD supporting the BAA at New Scientist Live 2022

Crayford Manor House Astronomical Society Dartford (CMHASD) were out in force at the recent New Scientist Live event at ExCel Centre, London Docklands on the 7th to 9th October 2022.  We were there to help the British Astronomical Association (BAA), in which we have many members; on their stand in the Cosmos Section this year.  

Everybody pitched in; helping the BAA team organised by CMHASD member Janice McClean who is a trustee and the Events Coordinator of the BAA to promote membership of the BAA and answer questions ranging from 'What type of telescope should I buy?' to 'How do you use a Planisphere?'

Janice said ''After three years closure, it was great to be back.''

A big Thank you to CMHASD members Steve Floodgate & David Grist (our own Eric and Ernie) who were there for all three days of the event with Janice together with Mark Radice from Basingstoke Astronomical Society. 

Thanks fully to CMHASD members Rita Whiting and Debra Holton who were there to keep the peace on Friday (School’s day) and to CMHASD member Diane Clarke who got pulled in after rashly accepting a guest pass when the sheer number of visitors became overwhelming.  CMHASD trustee Mike Rushton added some calm and gravitas to the mayhem on Saturday and Rita returned on Sunday for even more!

 

Anita and Tinie the societies Dobsonian telescopes were the favourites with all the visitors. 
 
 
It was worked out that approximately 1200 people had a look through Tinie at Jupiter - a hand painted 3D printed scale model that was ''Cunningly positioned on top of the biggest combine harvester you ever saw.  Thank goodness the threshing bar wasn’t attached.'' said Janice.
 
 
 
 
 
 
The BAA sold several hundred pounds worth of moon maps, beginners books and observation guides too.
 
''Have we got the stamina for next year?'' asked Janice to which she also replied ''Hopefully the Crayford ‘A’ Team will not be put off by all the hard work but attracted to the odd free beverage provided by the organisers!'' 
 
 
Thankyou to Mike, Janice and Diane for sharing your photographs with us and to Janice & Diane for their help writing this post.
 

Cosmic Camp 2022

Several society members attended Shears Green Junior School on Friday 23rd September 2022 with their own or a society telescope to take part in the school's ‘Cosmic Camp’. 

Below are 2 accounts of the evening by CMHASD members Diane Clarke and Gary Hunt who both helped at the event.

Diane wrote ''The Society was invited for its second visit to the “Cosmic Camp” at Shears Green Junior School  on Friday the 23rd of September.  Several members were present, bringing 5 telescopes including Anita & Isaac, 2 of the Societies “Dobs”.

When we arrived we were enthusiastically greeted by several of the campers in spite of the somewhat overcast conditions that never dampened their spirits.  So we decided to persevere and set up our telescopes with an initial idea of focusing on various cranes & other industrial architecture along a distant horizon to give the campers something to see through the eyepiece.  All the while hoping the sky would clear.

Eventually the clouds started to break initially giving views of Altair & Deneb,  two of the stars that form the asterism known as the “summer triangle”.  As the cloud continued to break the campers were treated to views of Jupiter & its 4 main Galilean Moons through our telescopes.  Unlike last year there was no Moon and unfortunately the clouds did not break enough for us to offer the campers views of the planets Saturn or Mars.

Apart from having the 5 telescopes present we also gave 3 indoor presentations, these included showing the campers some astronomical images taken by the members, along with talks and demonstrations covering both the solar system & the constellations.

The campers had also been learning about the ISS and a visible Pass was expected so with great anticipation we gathered the camper’s together as the clouds broke enabling them to see the ISS that was greeted with a resounding cheer as it passed overhead.  This was a very enjoyable evening for members & campers alike so much so that yet again we stayed longer than expected.''

Gary wrote “From a personal point of view and as an enthusiastic member of Crayford Manor House Astronomical Society Dartford (CMHASD), I found the experience of helping the young students of Shears Green Primary School see the night sky very rewarding. This night was Shears Green’s annual Cosmic Camp and CMHASD was very happy to help again (we helped out last year), as we love to share our fascination of astronomy and all things space! Most CMHASD members have started our fascination with astronomy at an early age and we are committed to inspire young minds to look into the night sky and wonder just like we did many years ago.

 Last years event had clear night skies, sadly this year was mostly cloudy, but fortunately no rain. However, there were the occasional gaps in the clouds that allowed us to show some of the children Jupiter and some of its moons. We were also fortunate enough to show the children the International Space Station passing high overhead, the resulting cheers and screams of delight were deafening! Some CMHASD members also gave talks and educational games indoors to the children which were very well received.
 
The staff of Shears Green were very welcoming and enthusiastic, with themselves peering though our telescopes (including our Dobsonian telescopes Issac and Anita) and asking astronomical questions… we hope they enjoyed it as much as we did, especially as some of them were to stay with the children for the rest of the night in their outdoor camp!  We enjoyed our visit and if there is another Shears Green Cosmic Camp next year we will be pleased to be asked to attend again I am sure!” 
 

The Society did not take any photos of the event as there were too many safeguarding issues however the school blog hopefully will post some photos soon as they did with Cosmic Camp 2021 https://www.shearsgreenjuniorschool.co.uk/cosmic-camp-2021/- so do keep checking.

The Society would like to say a big Thank you to all the members who helped make this event a success.

CMHASD Solar Observing at Hall Place & Gardens – Saturday 20th Aug 2022

 

NEVER LOOK AT THE SUN DIRECTLY. Please click here for solar observing safely.

On Saturday the 20th of August several members of the Society were present for the second of our 2 solar observing sessions at Hall Place & Gardens. The event took place on the patio with a small farmers market close to the gallery so there was a constant stream of people wanting to look, some just wondering what was going on and and others who clearly had an untapped interest in astronomy.  Hopefully we will see some of those people in the future.

At our previous session at Hall Place on Sunday the 7th of August we and those who came to see us were treated to 4 hours of sunshine unfortunately on this occasion we were not so lucky with varying amounts of cloud being present throughout the session.  When the clouds did clear and the sun became visible we were able to offer safe views of the sun to the public through the telescopes.  When we did get glimpses of the Sun - the public were thrilled with what they saw; even if it was often in 20 second bursts!!!

Overall we had 7 telescopes on hand including 'Anita' one of the clubs Dobsonian telescopes and during clear spots every telescope was in use. We also had a couple of tables of displays including details of Sun spots, a solar projector and other interesting Astronomy facts which proved popular too with the public.

Whilst the weather was disappointing the day was a great success and the Society would like to thank all those members who helped on the day.

Below is a slideshow of photos taken of the day by members John Archer, Simon Dawes, Diane Clarke and Dr. Mike Rushton - Thank you for sharing them with us.  Also thank you to Diane Clarke & Simon Dawes for your help writing this post.

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Prior to going to the event member Simon Dawes took the opportunity to image the lone sunspot on the surface of the Sun at home and this is his image.  This was the sunspot that the public would have seen through the telescopes during clear gaps in the cloud.

Solar Observing at Hall Place, Bexley – Sun 7th Aug 2022

Sunday 7th August 2022 - What a glorious sunny day to be out Solar Observing which is what Crayford Manor House Astronomical Society Dartford (CMHASD) where doing at Hall Place in Bexley.  What a busy day it was too! Several telescopes were set up to observe the Sun safely and members of the public were invited to do some solar observing which was readily accepted by many.  The Sun put on a good display having several sunspots and prominences for the public to view.

CMHASD will be back at Hall Place on Saturday 20th August 2022 to do some more Solar Observing with the public. Please do come and join us!

NEVER LOOK AT THE SUN DIRECTLY. Please click here for solar observing safely.

Thank you to all CMHASD members who helped on the day and to Dr Mike Rushton and Terry Miles for sharing your photos of the day too.

Dartford’s Big Day Out – July 2022

On the 16th July 2022 Crayford Manor House Astronomical Society Dartford  (CMHASD) exhibited at Dartford’s Big Day Out in Central Park, Dartford.
 
 

It was an extremely busy & interesting day.  Several members of the public took the opportunity to drop by for a chat, observe the current activity on the surface of our nearest star the Sun using the 3 telescopes that were on display and to view our various display boards showcasing the societies activities.  Our 3D photographs & the planet game also proved to be very popular too!

Safe views of the Sun were offered by various CMHASD members that helped throughout the day using 'Anita' one of the societies Dobsonian telescopes built by members Steve Floodgate and David Grist (see Building Dobsonians) whilst member Jim Burchell offered safe views through his refractor.  Both of these telescopes were showing white light views of the sunspots currently visible on the Sun’s surface. 

Member Diane Clarke offered safe views of the sunspots on the Sun too as well as the Sun’s various prominences and surface detail with her Ha (Hydrogen alpha) line telescope, see the 2 photos below.

 

Both images captured an absolutely massive prominence on the Sun at the 11 O'Clock position; this wall of plasma was more than five times taller than our entire planet Earth!  There were also prominences captured at the 1,2,6 and 10 O'Clock positions too in the images.

NEVER LOOK AT THE SUN DIRECTLY. Please click here for solar observing safely.

More photos of the day taken by members John Archer, Jim Burchell, Diane Clarke and Janice McClean are in the slideshow below. Thank you for sharing them with us.

[ngg src="galleries" ids="64" display="basic_slideshow"]Also a big Thank you to Colin Wheeler for providing the marquee we used and to member Steve Floodgate for allowing us the use of his van for transporting the displays and equipment. Plus thank you to all the CMHASD members that helped on the day too :-) and to Diane Clarke for helping to write this post.

Cosmic Camp 2021

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Eight society members attended Shear Green Junior School on Friday 17th with either their own or society telescopes (6 in total) to take part in their 'Cosmic Camp'.

We observed the Moon, Jupiter and Saturn and put on two different Astronomy activities in the school hall related to the solar system. seventy five, nine to ten year-old boys and girls and about 20 adults enjoyed the activities. With lots of 'wow's' 'OMG' etc. Whilst the skies were a little cloudy, the cloud stayed away from the planets and Moon and the seeing was remarkably good. 

We didn't take photos - too many safeguarding issues - but the school blog has a section on it with a few photos that they took.

"I just wanted to send an email to say a massive thank you for Friday night!
The children (and adults) got so much out of what you all provided. The awe and wonder of seeing Jupiter, Saturn and the Moon really brought the topic to life for the children.
Your team were so patient and knowledgeable providing invaluable insight to us all. The indoor activities were really engaging and all of the children have said their favourite part of the camp was the star gazing!"

Thanks to all members who helped make this a success.

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