Sunday dawned with deep blue transparent skies, so I was out early wanting to get as much sun as possible before it headed into the trees just after 11.30 am. First off the Ha, and using the DS50 setup. Full disk is with the 2x cemax and the zwo183mm camera:
Ha FD DS50 2x cemax zwo183mm bw by Mark Townley, on Flickr
I think i've sorted my saggy etalon problem (sounds like something you'd go to the doctor with!) so the disk is nice and even. Hopefully it will stay that way. Next up I used a bit more distance with the cemax barlow to give somewhere around 2.3x with the slightly larger pixels of the zwo290mm.
Plage Ha DS50 2x cemax zwo290mm bw by Mark Townley, on Flickr
New AR Ha DS50 2x cemax zwo290mm bw by Mark Townley, on Flickr
Ar13112 Ha DS50 2x cemax zwo290mm bw by Mark Townley, on Flickr
Next up the CaK; and the skywatcher ed80 stopped down to 60mm to give me f10 with the homebrew filter and the zwo183mm. CaK works best in these lovely deep blue skies so I was optimistic.
CaK FD 60mm f10 zwo183mm bw by Mark Townley, on Flickr
I decided to crank up the exposure to see what proms were there, lots it would seem!
CaK Proms 60mm f10 zwo183mm bw by Mark Townley, on Flickr
Lots of zoom on these disks so double click for an explore in flickr. I couldn't help but notice a similarity with the aia304 image...
I need to do an experiment and do a prom comparison with CaK and Ha, because I think I can get more in CaK than Ha, the background noise is higher in Ha which means the sky gets brighter quicker...
Anyways, I went to the 127/1200 stopped down to 80mm to give me f15 with the zwo290mm. Seeing wasn't as good as on saturday so I opted to record 4000 frame files to up the chances of better frames.
Plage CaK 80mm f15 zwo290mm bw by Mark Townley, on Flickr
New Plage CaK 80mm f15 zwo290mm bw by Mark Townley, on Flickr
New AR CaK 80mm f15 zwo290mm bw by Mark Townley, on Flickr
ar13112 CaK 80mm f15 zwo290mm bw by Mark Townley, on Flickr
I did fire up the Quark on the 100/800, but by the time it came on band the sun was in the trees, so, time to pack up! Still had lots of fun, a weekend of imaging is always good. Hope you like these.
Mark
Sunday Sunshine 16th October
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Sunday Sunshine 16th October
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Re: Sunday Sunshine 16th October
OK, these are amazing Mark, particularly the CaK! I almost commented on your last batch of CaK that it seemed you were getting more detail, particularly in the faint proms, than can be pulled out in Ha. I know for that NW prom bunch it was nearly impossible to get the finer portions of those proms in Ha. Nice job on those filaproms too!
Warren
Lunt LS60T DS
Orion ED80T CF
Meade ETX LS6
Lunt CaK BF1200
Lunt WL Wedge
Baader Photographic Film
ASI174MM
Skyris 236M
Player One Saturn-M SQR
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Lunt LS60T DS
Orion ED80T CF
Meade ETX LS6
Lunt CaK BF1200
Lunt WL Wedge
Baader Photographic Film
ASI174MM
Skyris 236M
Player One Saturn-M SQR
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Re: Sunday Sunshine 16th October
Perfect work.
I do not look at the sky with the eyes of an astronomer, but of a person looking for the beauty of nature.
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Re: Sunday Sunshine 16th October
Thanks guys! I'm hopimng it is sunny in a weeks time for the eclipse.
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Re: Sunday Sunshine 16th October
great set Mark.
Triband C9.25
H-a: Quark Chromosphere with BF mod
WL: Antlia 500nm/ 3nm, 393 nm/ 3nm
Ca-K: homebrew (includes 2x 1.5A filters, thanks Apollo)
Player One Apollo Max + Mars MII
Barlows:
-2x Gerd Düring 2.7x
-2x TMB 1.8x
H-a: Quark Chromosphere with BF mod
WL: Antlia 500nm/ 3nm, 393 nm/ 3nm
Ca-K: homebrew (includes 2x 1.5A filters, thanks Apollo)
Player One Apollo Max + Mars MII
Barlows:
-2x Gerd Düring 2.7x
-2x TMB 1.8x
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Re: Sunday Sunshine 16th October
Great session and a super set, Mark ! Love the filaproms, all details and features show beautifully.
Franco
Franco
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Re: Sunday Sunshine 16th October
Will you image between rain showers?marktownley wrote: ↑Tue Oct 18, 2022 5:13 am Thanks guys! I'm hopimng it is sunny in a weeks time for the eclipse.
Good luck with the eclipse, only slight partial eclipse. Will you image in H-a or CaK?
Magnus
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Re: Sunday Sunshine 16th October
My plan would be CaK, If there are showers I will just set up and have a tarpaulin I take on and off when it rains.Radon86 wrote: ↑Thu Oct 20, 2022 2:57 amWill you image between rain showers?marktownley wrote: ↑Tue Oct 18, 2022 5:13 am Thanks guys! I'm hopimng it is sunny in a weeks time for the eclipse.
Good luck with the eclipse, only slight partial eclipse. Will you image in H-a or CaK?
Magnus
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Re: Sunday Sunshine 16th October
Mark,
Great images
Great images
regards Rainer
Observatorio Real de 14
San Luis Potosi Mexico
North 22° West 101°
Observatorio Real de 14
San Luis Potosi Mexico
North 22° West 101°
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