Please find attached four images taken today in poor seeing with a 120mm f7.5 Sky Watcher Doublet Refractor.
My intention was to record images in Ca II K, Continuum and Hydrogen Alpha just after sunrise.
Unfortunately, here in Mount Barker it remained cloudy until 12:00 and by this time the Sun was high in the sky.
Seeing was poor in the warmth of the day but I was determined to record something after all the effort
I had put into preparations the day before.
Solar Images Jan 22 2023
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Solbrillante
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Solar Images Jan 22 2023
- Attachments
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- GC_22012023_0358_Sun_Sunspot AR3190 in Ca II K.jpg (489.1 KiB) Viewed 342 times
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- GC_22012023_0349_Sun_ Solar Prominence on the north east Limb in Ca II K.jpg (220 KiB) Viewed 342 times
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- GC_22012023_0327_Sun_Solar Western Hemisphere in Ca II K.jpg (719.02 KiB) Viewed 342 times
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- GC_22012023_0231_Sun _Solar Disk in Continuum (540nm).jpg (727.65 KiB) Viewed 342 times
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Peterm
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Re: Solar Images Jan 22 2023
Nice Gerard, looks like a lot happening on the Eastern limb.
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DeepSolar64
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Re: Solar Images Jan 22 2023
Nice work Gerard. Where is Mount Barker? Canada? Australia?
James
James
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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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MAURITS
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ffellah
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Averton
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Re: Solar Images Jan 22 2023
Very nice images Gerard despite the poor conditions.
James, Mt Barker is in South Australia.
James, Mt Barker is in South Australia.
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marktownley
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Re: Solar Images Jan 22 2023
Good result Gerard! Try stopping the scope down to 90mm in CaK.
http://brierleyhillsolar.blogspot.co.uk/
Solar images, a collection of all the most up to date live solar data on the web, imaging & processing tutorials - please take a look!
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Solbrillante
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Re: Solar Images Jan 22 2023
Thanks Peterm, James, Maurits, Franco, Clare and Peter and Mark for your positive comments and suggestions. Much appreciated.
Mark, I did take your suggestion seriously and made a mask for this new scope. It’s stopped down to 100 mm from 120mm. Do you think it needs to come down more?
Mark, I did take your suggestion seriously and made a mask for this new scope. It’s stopped down to 100 mm from 120mm. Do you think it needs to come down more?
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MapleRidge
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Re: Solar Images Jan 22 2023
Hi Gerard...
Good image set conditioner the seeing...the UV is not very tolerant of bad seeing
Stopping the scope down does improve the CaK...my 130mm stopper to 90mm is usually much better than full aperture.
Brian
Good image set conditioner the seeing...the UV is not very tolerant of bad seeing
Stopping the scope down does improve the CaK...my 130mm stopper to 90mm is usually much better than full aperture.
Brian
Brian Colville
Maple Ridge Observatory
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10'x15 Roll-off Roof Observatory
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2.2m Diameter Dome
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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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ASI1600MM, ASI432MM, ASI294MM Pro, ASI174MM, ASI462MM
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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Solbrillante
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Re: Solar Images Jan 22 2023
Thanks Brian.
As your and Mark’s suggestions point to, I will add additional stops over my objective lens and hopefully I will get a better result.
As your and Mark’s suggestions point to, I will add additional stops over my objective lens and hopefully I will get a better result.