Sunday 18th May

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David_The_Bears_Fan
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Sunday 18th May

Post by David_The_Bears_Fan » Sun May 19, 2019 9:49 am

Made an early start and found clear-ish skies, a bit hazy but much better than the last 2 days. Didn't expect much with all the active regions now on the far side but I was pleasantly surprised!

White light was quiet as expected although the seeing was not bad at all and visually the granulation was quite impressive. I didn't do close ups with the ASI today as there were no AR's, just an FD via DSLR.
Sat-6.jpg
Sat-6.jpg (591.16 KiB) Viewed 357 times
Switched to Ca-K and found a similarly quiet disk
Sat-0.jpg
Sat-0.jpg (656.78 KiB) Viewed 357 times
Then started looking for proms and finally found something to get excited about. Having read a few posts on binning I decided to try binning 2x today. Makes prom capture easier as exposure times are shorter and frame rates higher and I don't seem to loose anything much in the way of resolution?
Sat-3.jpg
Sat-3.jpg (64.25 KiB) Viewed 357 times
The decrease in exposure time means I can plug a barlow in and capture proms @ 2500mm focal length too. Suffice to say I quite like this binning thing!
Sat-1.jpg
Sat-1.jpg (96.25 KiB) Viewed 357 times
Sat-5.jpg
Sat-5.jpg (51.72 KiB) Viewed 357 times
Sat-4.jpg
Sat-4.jpg (54.56 KiB) Viewed 357 times
David

Kit: Skywatcher Evostar 120 on Celestron CG-4 / Coronado PST / Lunt B1200 Ca-K Module / Lacerta Herschel Wedge/ Canon 1100D & 77D / ZWO ASI178MM & 120MC-S / QHY5-II Mono

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marktownley
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Re: Sunday 18th May

Post by marktownley » Sun May 19, 2019 12:39 pm

Binning is good! I use it too. Nice images, it's never really cleared here today, just had a few glimpses.
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eroel
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Re: Sunday 18th May

Post by eroel » Sun May 19, 2019 6:31 pm

David:
A very nice session.
I had a terrible hazy (smoke) situation, due to forest fires.
Best regards.
Eric.

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Montana
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Re: Sunday 18th May

Post by Montana » Mon May 20, 2019 9:11 am

Very interesting about binning (I have never done it) and some super proms :bow cloudy all weekend for me :(
Alexandra

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Re: Sunday 18th May

Post by MAURITS » Mon May 20, 2019 8:14 pm

Very nice session David.
Regards,
Maurits

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Carbon60
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Re: Sunday 18th May

Post by Carbon60 » Tue May 21, 2019 5:43 am

Nice work, David. Lovely CaK images.

Stu.
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Re: Sunday 18th May

Post by xn44 » Tue May 21, 2019 7:48 am

Good work!

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David_The_Bears_Fan
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Re: Sunday 18th May

Post by David_The_Bears_Fan » Tue May 21, 2019 8:51 am

Thanks all.
David

Kit: Skywatcher Evostar 120 on Celestron CG-4 / Coronado PST / Lunt B1200 Ca-K Module / Lacerta Herschel Wedge/ Canon 1100D & 77D / ZWO ASI178MM & 120MC-S / QHY5-II Mono

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