New etalon, AR12858 and Prominences
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New etalon, AR12858 and Prominences
I am now double stacking my Lunt 60mm THA/B1200CPT having received the new filter yesterday. A small break in the clouds turned up unexpectedly this afternoon and I set up to see how the ‘new’ view. Would welcome others thoughts on tuning the two etalons.....
I first got the exposure at 80% on this histogram and focussed the scope as a single stacked unit. Next I adjusted the pressure tuner until the histogram was at its lowest level.
Then I attached the second etalon to the front of the scope, refocused and adjusted the tilt until the histogram was at its highest point but not over exposed.
Sadly, I wasn’t helped by cloud cover regularly crossing my view whilst trying to dial everything in, but did manage to capture some images, the one below being the best of a poor bunch captured with the ZWO ASI 174mm and 3x Altair Astro Barlow ......
I first got the exposure at 80% on this histogram and focussed the scope as a single stacked unit. Next I adjusted the pressure tuner until the histogram was at its lowest level.
Then I attached the second etalon to the front of the scope, refocused and adjusted the tilt until the histogram was at its highest point but not over exposed.
Sadly, I wasn’t helped by cloud cover regularly crossing my view whilst trying to dial everything in, but did manage to capture some images, the one below being the best of a poor bunch captured with the ZWO ASI 174mm and 3x Altair Astro Barlow ......
- Attachments
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- AR12858 Proms & Filaprom_14_55_09Z_20210818_x3_Inv_.png (1.15 MiB) Viewed 460 times
Lunt 60mm DS TH⍺ B1200CPT.
ZWO ASI 174mm & tilt adapter.
SkyWatcher EQ6R-Pro.
SharpCap Pro.
Various Powermates and Barlows.
One cat with a love of tripod legs.
ZWO ASI 174mm & tilt adapter.
SkyWatcher EQ6R-Pro.
SharpCap Pro.
Various Powermates and Barlows.
One cat with a love of tripod legs.
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Re: New etalon, AR12858 and Prominences
Hughsie!
This is a beautiful capture of the filaprom in the NE!! I just observed it visually a short time ago.
James
This is a beautiful capture of the filaprom in the NE!! I just observed it visually a short time ago.
James
Lunt 8x32 SUNoculars
Orion 70mm Solar Telescope
Celestron AstroMaster Alt/Az Mount
Meade Coronado SolarMax II 60 DS
Meade Coronado SolarMax II 90 DS
Meade Coronado AZS Alt/Az Mount
Astro-Tech AT72EDII with Altair solar wedge
Celestron NexStar 102GT with Altair solar wedge
Losmandy AZ8 Alt/Az Mount
Sky-Watcher AZGTI Alt-Az GoTo mount
Cameras: ZWO ASI178MM, PGR Grasshopper, PGR Flea
Lunt, Coronado, TeleVue, Orion and Meade eyepieces
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Meade Coronado AZS Alt/Az Mount
Astro-Tech AT72EDII with Altair solar wedge
Celestron NexStar 102GT with Altair solar wedge
Losmandy AZ8 Alt/Az Mount
Sky-Watcher AZGTI Alt-Az GoTo mount
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Re: New etalon, AR12858 and Prominences
Remarkably 3D!
http://fullerscopes.blogspot.dk/
H-alpha: Baader 160mm D-ERF, iStar 150/10 H-alpha objective, 2" Baader 35nm H-a, 2" Beloptik KG3,
Lunt 60MT etalon, Lunt B1200S2 BF, Assorted T-S GPCs or 2x "Shorty" Barlow, ZWO ASI174.
H-alpha: Baader 160mm D-ERF, iStar 150/10 H-alpha objective, 2" Baader 35nm H-a, 2" Beloptik KG3,
Lunt 60MT etalon, Lunt B1200S2 BF, Assorted T-S GPCs or 2x "Shorty" Barlow, ZWO ASI174.
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Re: New etalon, AR12858 and Prominences
Thank you James, I just read your report shortly after posting. Really enjoy your daily updates.DeepSolar64 wrote: ↑Wed Aug 18, 2021 5:39 pm Hughsie!
This is a beautiful capture of the filaprom in the NE!! I just observed it visually a short time ago.
James
John
Lunt 60mm DS TH⍺ B1200CPT.
ZWO ASI 174mm & tilt adapter.
SkyWatcher EQ6R-Pro.
SharpCap Pro.
Various Powermates and Barlows.
One cat with a love of tripod legs.
ZWO ASI 174mm & tilt adapter.
SkyWatcher EQ6R-Pro.
SharpCap Pro.
Various Powermates and Barlows.
One cat with a love of tripod legs.
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Re: New etalon, AR12858 and Prominences
This is one of the best (if not the best) image with the Filaprom showing-up so very well that I've seen.
You not only have the perfect combination-settings of the two Etalons, to capture the proms and surface detail so well, which can be quite challenging to achieve with the LS-60 BF1200 DS-ing.
I am fairly certain that the large and big prominence that we have been seeing/imaging over the last 4-days or so, is that which has included the Filaprom in your image.
The image frame is also excellent...
Thanks for sharing
Terry
You not only have the perfect combination-settings of the two Etalons, to capture the proms and surface detail so well, which can be quite challenging to achieve with the LS-60 BF1200 DS-ing.
I am fairly certain that the large and big prominence that we have been seeing/imaging over the last 4-days or so, is that which has included the Filaprom in your image.
The image frame is also excellent...
Thanks for sharing
Terry
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Re: New etalon, AR12858 and Prominences
Wonderful depiction of this prom, beautiful! Difficult to tell how well your tuning is unless we see an image that includes prom and surface without inverting one or the other. A well tuned DS will not show a double limb, but based upon your description it sounds like you should have it tuned fairly well. On my LS60T which is a tilt tune, I got the best tuning in SS as you did, and then after attaching the DS unit I only tilted the 2nd etalon enough to barely move the "ghost" image off of the disk.
Warren
Lunt LS60T DS
Orion ED80T CF
Meade ETX LS6
Lunt CaK BF1200
Lunt WL Wedge
Baader Photographic Film
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Orion ED80T CF
Meade ETX LS6
Lunt CaK BF1200
Lunt WL Wedge
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Player One Saturn-M SQR
https://www.astrobin.com/users/rigel123/
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Re: New etalon, AR12858 and Prominences
Hughsie wrote: ↑Wed Aug 18, 2021 6:47 pmThank you James, I just read your report shortly after posting. Really enjoy your daily updates.DeepSolar64 wrote: ↑Wed Aug 18, 2021 5:39 pm Hughsie!
This is a beautiful capture of the filaprom in the NE!! I just observed it visually a short time ago.
James
John
You are welcome and thank you!
Lunt 8x32 SUNoculars
Orion 70mm Solar Telescope
Celestron AstroMaster Alt/Az Mount
Meade Coronado SolarMax II 60 DS
Meade Coronado SolarMax II 90 DS
Meade Coronado AZS Alt/Az Mount
Astro-Tech AT72EDII with Altair solar wedge
Celestron NexStar 102GT with Altair solar wedge
Losmandy AZ8 Alt/Az Mount
Sky-Watcher AZGTI Alt-Az GoTo mount
Cameras: ZWO ASI178MM, PGR Grasshopper, PGR Flea
Lunt, Coronado, TeleVue, Orion and Meade eyepieces
Visual Observer
" Way more fun to see it! "
Orion 70mm Solar Telescope
Celestron AstroMaster Alt/Az Mount
Meade Coronado SolarMax II 60 DS
Meade Coronado SolarMax II 90 DS
Meade Coronado AZS Alt/Az Mount
Astro-Tech AT72EDII with Altair solar wedge
Celestron NexStar 102GT with Altair solar wedge
Losmandy AZ8 Alt/Az Mount
Sky-Watcher AZGTI Alt-Az GoTo mount
Cameras: ZWO ASI178MM, PGR Grasshopper, PGR Flea
Lunt, Coronado, TeleVue, Orion and Meade eyepieces
Visual Observer
" Way more fun to see it! "
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Re: New etalon, AR12858 and Prominences
I agree with Rigel
the image looks super and it sounds like you are doing it right
Alexandra
the image looks super and it sounds like you are doing it right
Alexandra
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Re: New etalon, AR12858 and Prominences
Great shot John!!!
Brian
Brian
Brian Colville
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10'x15 Roll-off Roof Observatory
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Ha Setup: Lunt LS80PT/LS75FHa/B1200Ha + Home Brew Lunt Double Stack/B1800Ha on the Orion OTA + Daystar Quantum
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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: New etalon, AR12858 and Prominences
Excellent first light with your new DS filter. Nice.
Stu.
Stu.
H-alpha, WL and Ca II K imaging kit for various image scales.
Fluxgate Magnetometers (1s and 150s Cadence).
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More images at http://www.flickr.com/photos/solarcarbon60/
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
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