Ha on Feb 5th - new images added Feb 7th

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Ha on Feb 5th - new images added Feb 7th

Post by MapleRidge »

Good day everyone...

Another beautiful clear day here on Saturday, and the sun felt nice in the -15C air :shock:

I was able to get to the observatory in the late morning and image for the better part of two hours. The fist image is a full disk composite, with separate exposures for the disk and limb. I have one with the limb inverted as usually post, and left the limb as a positive in the other. Imaged through the LS80T/LS75FHa/B1800Ha solar scope with the ASAI1600mm and 1.6x barlow:
16x_LS80T-LS75_Full-Ha_02052022.jpg
16x_LS80T-LS75_Full-Ha_02052022.jpg (873.51 KiB) Viewed 1113 times
16x_LS80T-LS75_Full-Ha_02052022-v2.jpg
16x_LS80T-LS75_Full-Ha_02052022-v2.jpg (760.05 KiB) Viewed 1113 times
With all the details on the disk and limb, I was busy imaging them all and since many f the AR's covered a lot of the solar disk I had to do mosaics to cover them all with the Orion 130ED and the custom DS etalon assembly. These images were taken with a 3x focal extender and ASI290MM camera. The seeing was my winter average, so the mosaics are a bit of in some of the component frames. The first is AR2939 and the nice filament associated with it and the filaments that trail back to the SE limb:
3x_OR130_2xDSII_AR2939-SE.jpg
3x_OR130_2xDSII_AR2939-SE.jpg (1.19 MiB) Viewed 1113 times
The next is the newly arrived AR291 on the NE limb showing a lot of activity:
3x_OR130_2xDSII_AR2941.jpg
3x_OR130_2xDSII_AR2941.jpg (602.56 KiB) Viewed 1113 times
Near the northern mid-disk was AR2940:
3x_OR130_2xDSII_AR2940.jpg
3x_OR130_2xDSII_AR2940.jpg (1.02 MiB) Viewed 1113 times
The last of the active regions was AR's 2636-2638 found close to the western limb:
3x_OR130_2xDSII_AR2936-2938.jpg
3x_OR130_2xDSII_AR2936-2938.jpg (540.67 KiB) Viewed 1113 times
When I went to image the proms I found that the big prom barely fit on the chip. I removed the focal extender and re-imaged the features at prime focus (f7=910mm focal length) and saw that I should have set this up in the first place. The larger FOV suited the large AR's much better and the faster exposures were better wit the seeing. So, the big prom is shown below:
OR130_2xDSII_SE-Prom.jpg
OR130_2xDSII_SE-Prom.jpg (124.13 KiB) Viewed 1113 times
Each of the AR's are shown again below at prime focus:
OR130_2xDSII_AR2939.jpg
OR130_2xDSII_AR2939.jpg (329.84 KiB) Viewed 1113 times
OR130_2xDSII_AR2941-2941.jpg
OR130_2xDSII_AR2941-2941.jpg (487.71 KiB) Viewed 1113 times
OR130_2xDSII_AR2936-2938.jpg
OR130_2xDSII_AR2936-2938.jpg (285.81 KiB) Viewed 1113 times
OR130_2xDSII_SW.jpg
OR130_2xDSII_SW.jpg (349.91 KiB) Viewed 1113 times
Other chores forced me to close up the observatory, but I would have loved to stay and do some WL and CaK images...oh well, another day.

Hope you like these, and questions and comments are always welcome,
Brian
Last edited by MapleRidge on Mon Feb 07, 2022 1:53 pm, edited 1 time in total.


Brian Colville

Maple Ridge Observatory
Cambray, ON Canada

Photos: https://www.flickr.com/photos/185395281@N08/albums

10'x15 Roll-off Roof Observatory
Takahashi EM400 Mount carrying:
C14 + Lunt 80ED
Deep Sky Work - ASI294MM Pro+EFW 7x36/Canon 60D (Ha mod), ONAG
Planetary Work - SBIG CFW10, ASI462MM

2.2m Diameter Dome
iOptron CEM70G Mount carrying:
Orion EON 130ED, f7 OTA for Day & Night Use
Ha Setup: Lunt LS80PT/LS75FHa/B1200Ha + Home Brew Lunt Double Stack/B1800Ha on the Orion OTA + Daystar Quantum
WL, G-Band & CaK Setup: Lunt Wedge & Lunt B1800CaK, Baader K-Line and Altair 2nm G-Band filter
ASI1600MM, ASI432MM, ASI294MM Pro, ASI174MM, ASI462MM
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Re: Ha on Feb 5th

Post by rsfoto »

Hi Brian,

Excellent done


regards Rainer

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Re: Ha on Feb 5th

Post by marktownley »

Top quality images Brian! -15c is cold!


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Re: Ha on Feb 5th

Post by EGRAY_OBSERVATORY »

Yes Brian, Excellent captures in the cold air.

Thanks vm
Terry


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Re: Ha on Feb 5th

Post by MapleRidge »

Rainer, Derek, and Terry...

Thanks for all your comments and feedback on the images...always appreciated :bow

Brian


Brian Colville

Maple Ridge Observatory
Cambray, ON Canada

Photos: https://www.flickr.com/photos/185395281@N08/albums

10'x15 Roll-off Roof Observatory
Takahashi EM400 Mount carrying:
C14 + Lunt 80ED
Deep Sky Work - ASI294MM Pro+EFW 7x36/Canon 60D (Ha mod), ONAG
Planetary Work - SBIG CFW10, ASI462MM

2.2m Diameter Dome
iOptron CEM70G Mount carrying:
Orion EON 130ED, f7 OTA for Day & Night Use
Ha Setup: Lunt LS80PT/LS75FHa/B1200Ha + Home Brew Lunt Double Stack/B1800Ha on the Orion OTA + Daystar Quantum
WL, G-Band & CaK Setup: Lunt Wedge & Lunt B1800CaK, Baader K-Line and Altair 2nm G-Band filter
ASI1600MM, ASI432MM, ASI294MM Pro, ASI174MM, ASI462MM
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Re: Ha on Feb 5th

Post by Dfisch400 »

Brian, pilgrim to solar observing here. The large cloud that appears to come of of the “Eiffel Tower” Prominence (that I have been looking at through the day, ). Is that a mass ejection that is captured by the magnetic field and is just drifting there? These images are so helpful to me as a newbie observer, thanks so much.


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Re: Ha on Feb 5th

Post by ffellah »

A beautiful series of images showing very well all the major features pf the sun, Brian. The big prom image is great 👍 The mosaics turned out very well also. Over all, seems like you had a very good, but very cold session.

Franco


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Re: Ha on Feb 5th

Post by KMH »

Brian,

Great images! There really was a lot to look at - I had to recruit an external drive.

Kevin


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Re: Ha on Feb 5th

Post by MapleRidge »

Franco and Kevin...

Thanks for your feedback guys...always appreciated :bow


Brian


Brian Colville

Maple Ridge Observatory
Cambray, ON Canada

Photos: https://www.flickr.com/photos/185395281@N08/albums

10'x15 Roll-off Roof Observatory
Takahashi EM400 Mount carrying:
C14 + Lunt 80ED
Deep Sky Work - ASI294MM Pro+EFW 7x36/Canon 60D (Ha mod), ONAG
Planetary Work - SBIG CFW10, ASI462MM

2.2m Diameter Dome
iOptron CEM70G Mount carrying:
Orion EON 130ED, f7 OTA for Day & Night Use
Ha Setup: Lunt LS80PT/LS75FHa/B1200Ha + Home Brew Lunt Double Stack/B1800Ha on the Orion OTA + Daystar Quantum
WL, G-Band & CaK Setup: Lunt Wedge & Lunt B1800CaK, Baader K-Line and Altair 2nm G-Band filter
ASI1600MM, ASI432MM, ASI294MM Pro, ASI174MM, ASI462MM
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Re: Ha on Feb 5th

Post by jacinto »

Amazing images Brian


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Re: Ha on Feb 5th

Post by eroel »

Brian:
Super session, beautiful images.
Best wishes my friend.
Eric.


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Re: Ha on Feb 5th

Post by Carbon60 »

You had a very productive session, Brian. Beautiful images.

Stu.


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Re: Ha on Feb 5th

Post by MapleRidge »

Jacinto, Eric, and Stuart...

Many thanks to each of you for your comments and support...always appreciated :bow

Brian


Brian Colville

Maple Ridge Observatory
Cambray, ON Canada

Photos: https://www.flickr.com/photos/185395281@N08/albums

10'x15 Roll-off Roof Observatory
Takahashi EM400 Mount carrying:
C14 + Lunt 80ED
Deep Sky Work - ASI294MM Pro+EFW 7x36/Canon 60D (Ha mod), ONAG
Planetary Work - SBIG CFW10, ASI462MM

2.2m Diameter Dome
iOptron CEM70G Mount carrying:
Orion EON 130ED, f7 OTA for Day & Night Use
Ha Setup: Lunt LS80PT/LS75FHa/B1200Ha + Home Brew Lunt Double Stack/B1800Ha on the Orion OTA + Daystar Quantum
WL, G-Band & CaK Setup: Lunt Wedge & Lunt B1800CaK, Baader K-Line and Altair 2nm G-Band filter
ASI1600MM, ASI432MM, ASI294MM Pro, ASI174MM, ASI462MM
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Re: Ha on Feb 5th - more images added

Post by MapleRidge »

Hi everyone...

I overlooked the images that I had taken that show the smaller proms along the western limb...I guess the big prom distracted me ;)

These all have some nice structure so I didn't want them to be left out! These were taken at the prime focus of DS modded Orion 130 OTA:
OR130_2xDSII_NW-Proms.jpg
OR130_2xDSII_NW-Proms.jpg (151.1 KiB) Viewed 1040 times
OR130_2xDSII_W-Proms.jpg
OR130_2xDSII_W-Proms.jpg (191.48 KiB) Viewed 1040 times
OR130_2xDSII_SW-Proms2.jpg
OR130_2xDSII_SW-Proms2.jpg (133.51 KiB) Viewed 1040 times
OR130_2xDSII_SW-Proms.jpg
OR130_2xDSII_SW-Proms.jpg (154.64 KiB) Viewed 1040 times
That is then last of them :lol:

Brian


Brian Colville

Maple Ridge Observatory
Cambray, ON Canada

Photos: https://www.flickr.com/photos/185395281@N08/albums

10'x15 Roll-off Roof Observatory
Takahashi EM400 Mount carrying:
C14 + Lunt 80ED
Deep Sky Work - ASI294MM Pro+EFW 7x36/Canon 60D (Ha mod), ONAG
Planetary Work - SBIG CFW10, ASI462MM

2.2m Diameter Dome
iOptron CEM70G Mount carrying:
Orion EON 130ED, f7 OTA for Day & Night Use
Ha Setup: Lunt LS80PT/LS75FHa/B1200Ha + Home Brew Lunt Double Stack/B1800Ha on the Orion OTA + Daystar Quantum
WL, G-Band & CaK Setup: Lunt Wedge & Lunt B1800CaK, Baader K-Line and Altair 2nm G-Band filter
ASI1600MM, ASI432MM, ASI294MM Pro, ASI174MM, ASI462MM
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Re: Ha on Feb 5th - new images added Feb 7th

Post by Montana »

Wow!! what a magnificent set Brian :bow :hamster:

Dfisch400 - I don't think it is a mass ejection because they usually move pretty quickly upwards and either escape the Sun's field or fall straight back down again. As this material is pretty stable and hanging about there for quite some time, I would presume it is a quiescent prom and the plasma is being held aloft in the magnetic field in a stable way. Just a guess.

Alexandra


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Re: Ha on Feb 5th - new images added Feb 7th

Post by MapleRidge »

Thanks Alexandra :bow

Dfisch400, sorry I missed your question earlier but I'd agree with what Alexandra said. That prom has been hanging out on the SE limb for days, and based on the GONG images this morning it is still going strong.

https://gong2.nso.edu/products/tableVie ... hAlpha.cfg

Brian


Brian Colville

Maple Ridge Observatory
Cambray, ON Canada

Photos: https://www.flickr.com/photos/185395281@N08/albums

10'x15 Roll-off Roof Observatory
Takahashi EM400 Mount carrying:
C14 + Lunt 80ED
Deep Sky Work - ASI294MM Pro+EFW 7x36/Canon 60D (Ha mod), ONAG
Planetary Work - SBIG CFW10, ASI462MM

2.2m Diameter Dome
iOptron CEM70G Mount carrying:
Orion EON 130ED, f7 OTA for Day & Night Use
Ha Setup: Lunt LS80PT/LS75FHa/B1200Ha + Home Brew Lunt Double Stack/B1800Ha on the Orion OTA + Daystar Quantum
WL, G-Band & CaK Setup: Lunt Wedge & Lunt B1800CaK, Baader K-Line and Altair 2nm G-Band filter
ASI1600MM, ASI432MM, ASI294MM Pro, ASI174MM, ASI462MM
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Re: Ha on Feb 5th - new images added Feb 7th

Post by Radon86 »

Dear Brian,

Thanks for showing us your superb solar FD solar H-alpha images.

I was wondering how you get a 1.6x barlow as I thought they were only 2x or 3x versions available.

It would be nice if we can get smaller versions of Barlow e.g. 1.45 or 1.55 versions as well. Many thanks.

Magnus


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Re: Ha on Feb 5th - new images added Feb 7th

Post by MapleRidge »

Hi Magnus...

My barlow is a home made setup, using a lens element from a 2x barlow and mounting it inside the 1.25" camera adapter nosepiece. This moved the lens much close to the sensor reducing the amount of magnification. It give approx 1.3x on most of my ZWO camera, but the tilt adjuster on the ASI1600MM moves the sensor further back making a greater magnification...I figure it is around 1.6x.

There is a commercial 1.6x barlow that fits 2" focusers sold as well. Note, this isn't any sort of telecentric or the spacing wouldn't have the effect it has.

Hope this explains it.

Brian
Last edited by MapleRidge on Tue Feb 08, 2022 11:55 pm, edited 1 time in total.


Brian Colville

Maple Ridge Observatory
Cambray, ON Canada

Photos: https://www.flickr.com/photos/185395281@N08/albums

10'x15 Roll-off Roof Observatory
Takahashi EM400 Mount carrying:
C14 + Lunt 80ED
Deep Sky Work - ASI294MM Pro+EFW 7x36/Canon 60D (Ha mod), ONAG
Planetary Work - SBIG CFW10, ASI462MM

2.2m Diameter Dome
iOptron CEM70G Mount carrying:
Orion EON 130ED, f7 OTA for Day & Night Use
Ha Setup: Lunt LS80PT/LS75FHa/B1200Ha + Home Brew Lunt Double Stack/B1800Ha on the Orion OTA + Daystar Quantum
WL, G-Band & CaK Setup: Lunt Wedge & Lunt B1800CaK, Baader K-Line and Altair 2nm G-Band filter
ASI1600MM, ASI432MM, ASI294MM Pro, ASI174MM, ASI462MM
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Re: Ha on Feb 5th - new images added Feb 7th

Post by MapleRidge »

I want to pass on my thanks for the Feb 5th full disk image being post as the SPoD :bow

I'll dedicate this one to my grandfather who would have celebrated his 113th birthday on that day :)

Brian


Brian Colville

Maple Ridge Observatory
Cambray, ON Canada

Photos: https://www.flickr.com/photos/185395281@N08/albums

10'x15 Roll-off Roof Observatory
Takahashi EM400 Mount carrying:
C14 + Lunt 80ED
Deep Sky Work - ASI294MM Pro+EFW 7x36/Canon 60D (Ha mod), ONAG
Planetary Work - SBIG CFW10, ASI462MM

2.2m Diameter Dome
iOptron CEM70G Mount carrying:
Orion EON 130ED, f7 OTA for Day & Night Use
Ha Setup: Lunt LS80PT/LS75FHa/B1200Ha + Home Brew Lunt Double Stack/B1800Ha on the Orion OTA + Daystar Quantum
WL, G-Band & CaK Setup: Lunt Wedge & Lunt B1800CaK, Baader K-Line and Altair 2nm G-Band filter
ASI1600MM, ASI432MM, ASI294MM Pro, ASI174MM, ASI462MM
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