Don Trinko
super member
Reged: 07/05/09
Posts: 132
Loc: Ohio
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I have been viewing the sun with a 12mm EP. I see a lot of photos that must be using higher power EP's to get the detail in the edge of the sun. Will I see the solar activity (other than sun spots) with my 12mm EP or do I need to seek a higher power? Don T.
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Nexstar 8SE
Meade DS2130at-lnt
Astro-Tech 66mm
Coranado PST 40mm
Celestron 10x50 binoculars
Nikon 7x35 Binoculars
EP's 8 to 24 Zuhmell, 8 to 24 Hyperion, 12.5 Astro-Tech Paradime, Celestron 40,26,9.7 plossel,
Zuhmell 32,12.5,6,4 plossel , TMB 5,3.2, planitary II.
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Old Dinosaur
Pooh-Bah
Reged: 05/08/07
Posts: 1257
Loc: Out in the sagebrush
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My favorite EP with the PST is 9mm, seeing conditions kinda rule.
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WRS Observatory
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contrailmaker
sage
Reged: 01/02/09
Posts: 251
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I usually start my PST observing with a 25mm EP. Plenty of activity can be seen at this power. Then, if conditions warrant, I switch to a 15mm or 12.5mm. Seldom do I use more than that. You gotta let your eye get used to that red saturation for the details to start becoming more visible. Just takes a few minutes. Don't forget to blink.
cm 
Edited by contrailmaker (10/19/09 05:34 PM)
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Don Trinko
super member
Reged: 07/05/09
Posts: 132
Loc: Ohio
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thanks; Don T.
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Nexstar 8SE
Meade DS2130at-lnt
Astro-Tech 66mm
Coranado PST 40mm
Celestron 10x50 binoculars
Nikon 7x35 Binoculars
EP's 8 to 24 Zuhmell, 8 to 24 Hyperion, 12.5 Astro-Tech Paradime, Celestron 40,26,9.7 plossel,
Zuhmell 32,12.5,6,4 plossel , TMB 5,3.2, planitary II.
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Solar Ken
sage
Reged: 02/07/06
Posts: 292
Loc: Oregon
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I've owned a PST for over 3 years and a Lunt LS60THa for almost a year. I use a zoom eyepiece, either a Vixen LV 8-24mm or a Lunt 7.2-21.5mm.
I find best viewing is between 12mm and 9mm.
Many of the photos posted on this forum are intensely magnified in post processing, which is why I find it refreshing to see a full disk photo without excessive magnification. Reminds me of what I can see visually.
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Daytime:
Coronado PST Ha
Lunt LS60THa/B600C
Nighttime:
Meade LX90 SCT 8"
Orion XX12 Intelliscope Dob 12"
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David Knisely
Postmaster
Reged: 04/19/04
Posts: 8279
Loc: Beatrice, Nebraska
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Quote:
I have been viewing the sun with a 12mm EP. I see a lot of photos that must be using higher power EP's to get the detail in the edge of the sun. Will I see the solar activity (other than sun spots) with my 12mm EP or do I need to seek a higher power? Don T.
I also use a 7-21mm zoom eyepiece, but most of my viewing is done between 15mm and 7mm (27x and 57x). I find that once I exceed about 67x, the image just gets a little to dim to see detail that is shown better at somewhat lower powers. Clear skies to you.
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David W. Knisely
Hyde Memorial Observatory
http://www.hydeobservatory.info
Prairie Astronomy Club
http://www.prairieastronomyclub.org
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Davidgojr
sage
Reged: 08/09/08
Posts: 329
Loc: San Antonio, TX
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I always use my 7.5mm Epic ED2 eyepiece and have had fantastic viewing with it. I regularly see spicules and fine detail within prominences. The orange peel effect is also very prominent.
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David
San Antonio, TX
Orion XT6, White Light Solar, H-alpha Coronado PST
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Don Trinko
super member
Reged: 07/05/09
Posts: 132
Loc: Ohio
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Thanks for all the reply's. Don T.
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Nexstar 8SE
Meade DS2130at-lnt
Astro-Tech 66mm
Coranado PST 40mm
Celestron 10x50 binoculars
Nikon 7x35 Binoculars
EP's 8 to 24 Zuhmell, 8 to 24 Hyperion, 12.5 Astro-Tech Paradime, Celestron 40,26,9.7 plossel,
Zuhmell 32,12.5,6,4 plossel , TMB 5,3.2, planitary II.
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Jeff Young
Post Laureate
Reged: 08/04/05
Posts: 4115
Loc: Ireland
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I don't have a PST, but my SolarMax40 is broadly similar. I use more magnification than most here: usually 55X (7.5mm) or 67X (6mm). I view over a couple of acres of grass in the morning, so my seeing is usually pretty good.
Cheers,
Jeff.
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Nikon 18x70s / UA Millennium Colorado:
Solarscope SF70 / TV Pronto / AP400QMD Coronado SolarMax40 DS / Bogen 055+3130
APM MC1610 / Tak FC-100 / AP1200GTO Tak Mewlon 250 / AP600EGTO
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PeteLawrence
Carpal Tunnel
Reged: 02/07/06
Posts: 2292
Loc: Selsey, UK
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Quote:
Many of the photos posted on this forum are intensely magnified in post processing, which is why I find it refreshing to see a full disk photo without excessive magnification.
I think you'll find that many are not. The magnification in most of the shots shown on this site is optical and as delivered at the point of capture. Some may scale up their images a tad for a bit of drama, but I would say most are not post-processed magnified at all.
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Best regards,
Pete Lawrence
http://www.digitalsky.org.uk
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darkstar528
Postmaster
Reged: 03/06/07
Posts: 6786
Loc: Hodgenville, Kentucky, USA
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I'm the anomaly, I rarely(if ever) view below 70x and enjoy 100x on many days!
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Blue skies,
Stephen "Darkstar" Ames
PST(#96038), VIXEN 8-24mm,CEMAX 2x Barlow, Thousand Oaks White Light Filter and a Meade Elec EP
CFI, CFII, MEI, working on EIEIO!
BAA Member
My solar site:
http://seemysunspot.com
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swisswalter
sage
Reged: 03/29/09
Posts: 404
Loc: Eastern-Switzerland
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hi pete
that's the way I see it too, at least my pictures are not scaled up, not even a tad
walter
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only dust in the wind, TAK on GM8, Lunt 60, DMK31,still greenhorn, but as a golfer used to be humble
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brianb11213
Carpal Tunnel
Reged: 02/25/09
Posts: 2106
Loc: 55.215N 6.554W
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Quote:
I would say most are not post-processed magnified at all.
In fact mine are usually downscaled, about 0.8x. It gives a more natural "sharp" effect than using wavelet sharpening or unsharp masking too strongly.
For visual work, on a PST, I find 18mm (x22) and 12.5mm (x32) give the best views, 9mm (x44) rarely if ever shows more detail to me and I prefer a small, relatively bright image to a large, relatively faint one with the same detail.
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j3ffr0
sage
Reged: 07/06/08
Posts: 423
Loc: Virginia
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I always start out with the 15mm, and for quick looks I'll just stay with that. On ARs I'm never much below 10mm because I'm usually double stacked for them and it starts to get too dim for more liking. On proms I'll frequently go to 7.5mm in single stacked mode. Every now and then I'll plug in the 5mm on a prom and get a slightly better view, but usually the 7.5mm is better.
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10" Dob, 127mm Mak, 120mm f5 achro, PST
35, 24 Panoptic; 16, 13, 9, 3-6 Nagler
15, 10, 7.5, 5, 3.8 Ultrascopic
20, 15, 9, 6 Expanse
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darkstar528
Postmaster
Reged: 03/06/07
Posts: 6786
Loc: Hodgenville, Kentucky, USA
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This may be silly but this is how I get my eyes to adjust and I think helps me get the higher magnifications...I only use one setup, 2x Barlow and 8-24 Vixen Zoom...I start at the maxed out view and once my eyes adjust I just reduce the magnification(and of course tune if needed) to bring out the details...
Going from the dimmer/usually foggier view to clarity(at whatever point that is) I believe helps as opposed to going from view "A" to view "A" with nothing but my eyes adjusting...
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Blue skies,
Stephen "Darkstar" Ames
PST(#96038), VIXEN 8-24mm,CEMAX 2x Barlow, Thousand Oaks White Light Filter and a Meade Elec EP
CFI, CFII, MEI, working on EIEIO!
BAA Member
My solar site:
http://seemysunspot.com
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Solar Ken
sage
Reged: 02/07/06
Posts: 292
Loc: Oregon
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Pete (and others),
Thanks for the clarification on many of the images here being _not_ scaled up. A misunderstanding on my part. I apologize for my earlier comments.
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Daytime:
Coronado PST Ha
Lunt LS60THa/B600C
Nighttime:
Meade LX90 SCT 8"
Orion XX12 Intelliscope Dob 12"
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PeteLawrence
Carpal Tunnel
Reged: 02/07/06
Posts: 2292
Loc: Selsey, UK
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That's okay Ken, sorry for jumping in abruptly there. I just wanted to quosh the thought that many of the images presented are captured smaller and scaled up for dramatic effect. Most are presented exactly as the camera sees them.
Having said this, I have scaled up the occasional shot from 640 pixels to 800 pixels across if I feel the quality of the capture can handle it. More often than not though, a mosaic image will come in well over the 800 pixel limit of CN so I'll typically shrink these down to fit.
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Best regards,
Pete Lawrence
http://www.digitalsky.org.uk
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