Globular Clusters And Telescopes?

Discuss your refractor type scopes here.
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Refractordude
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Globular Clusters And Telescopes?

#1

Post by Refractordude »


What is the best telescope for globular clusters? Thanks to you all.
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Bigzmey United States of America
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Re: Globular Clusters And Telescopes?

#2

Post by Bigzmey »


This is the case when aperture rules, the more the better. I would pick a large size (>8") SCT or DOB.
Scopes: Stellarvue: SV102ED; Celestron: 9.25" EdgeHD, 8" SCT, 150ST, Onyx 80ED; iOptron: Hankmeister 6" Mak; SW: 7" Mak; Meade: 80ST.
Mounts: SW: SkyTee2, AzGTi; iOptron: AZMP; ES: Twilight I; Bresser: EXOS2; UA: MicroStar.
Binos: APM: 100-90 APO; Canon: IS 15x50; Orion: Binoviewer, LG II 15x70, WV 10x50, Nikon: AE 16x50, 10x50, 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Panoptic & Plossls; ES: 68, 62; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV.
Diagonals: Baader: BBHS mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: 2" prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S, 6-color set; Astronomik: UHC.
Solar: HA: Lunt 50mm single stack, W/L: Meade Herschel wedge.

Observing: DSOs: 3106 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 2180, S110: 77). Doubles: 2437, Comets: 34, Asteroids: 257
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Re: Globular Clusters And Telescopes?

#3

Post by notFritzArgelander »


Bigzmey wrote: Fri Jun 05, 2020 10:28 pm This is the case when aperture rules, the more the better. I would pick a large size (>8") SCT or DOB.
What he said!

I start to get happy with globs at 8" of aperture. My Z12 is quite nice on them!! However one of the most stunning visual astronomy experiences I had was with a 1 meter RC at 600x. There was enough light that the red giant stars were indeed RED and the blue horizontal branch stars were a bluish white. Type of scope doesn't matter only aperture does.
Scopes: Refs: Orion ST80, SV 80EDA f7, TS 102ED f11 Newts: AWB 130mm, f5, Z12 f5; Cats: VMC110L, Intes MK66,VMC200L f9.75 EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, Plossl 32-8mm. Mixed brand Masuyama/Astroplans Binoculars: Nikon Aculon 10x50, Celestron 15x70, Baader Maxbright. Mounts: Star Seeker IV, Vixen Porta II, Celestron CG5
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Re: Globular Clusters And Telescopes?

#4

Post by Bigzmey »


Don't get me wrong. Brighter globs are very rewarding targets and look nice even in 10x50 binos.

But if you have a chance to look at them through several scopes side-by-side the difference is quite clear. Unresolved cotton ball in smaller scopes becomes a giant swarm of stars, resolved to the core. This is were I take larger SCT/DOB over smaller premium APO refractor any day (or night). :)
Scopes: Stellarvue: SV102ED; Celestron: 9.25" EdgeHD, 8" SCT, 150ST, Onyx 80ED; iOptron: Hankmeister 6" Mak; SW: 7" Mak; Meade: 80ST.
Mounts: SW: SkyTee2, AzGTi; iOptron: AZMP; ES: Twilight I; Bresser: EXOS2; UA: MicroStar.
Binos: APM: 100-90 APO; Canon: IS 15x50; Orion: Binoviewer, LG II 15x70, WV 10x50, Nikon: AE 16x50, 10x50, 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Panoptic & Plossls; ES: 68, 62; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV.
Diagonals: Baader: BBHS mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: 2" prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S, 6-color set; Astronomik: UHC.
Solar: HA: Lunt 50mm single stack, W/L: Meade Herschel wedge.

Observing: DSOs: 3106 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 2180, S110: 77). Doubles: 2437, Comets: 34, Asteroids: 257
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Re: Globular Clusters And Telescopes?

#5

Post by Refractordude »


Thinking this is what I need.
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Bigzmey United States of America
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Re: Globular Clusters And Telescopes?

#6

Post by Bigzmey »


I have a strong bias towards refractors. I don't see any reason to own anything other than fracs up to 6", but above 6" due to weight and cost one have to switch to reflectors, which your pic illustrates quite clearly. :D
Scopes: Stellarvue: SV102ED; Celestron: 9.25" EdgeHD, 8" SCT, 150ST, Onyx 80ED; iOptron: Hankmeister 6" Mak; SW: 7" Mak; Meade: 80ST.
Mounts: SW: SkyTee2, AzGTi; iOptron: AZMP; ES: Twilight I; Bresser: EXOS2; UA: MicroStar.
Binos: APM: 100-90 APO; Canon: IS 15x50; Orion: Binoviewer, LG II 15x70, WV 10x50, Nikon: AE 16x50, 10x50, 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Panoptic & Plossls; ES: 68, 62; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV.
Diagonals: Baader: BBHS mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: 2" prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S, 6-color set; Astronomik: UHC.
Solar: HA: Lunt 50mm single stack, W/L: Meade Herschel wedge.

Observing: DSOs: 3106 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 2180, S110: 77). Doubles: 2437, Comets: 34, Asteroids: 257
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Re: Globular Clusters And Telescopes?

#7

Post by avid.astronomer »


I guess if you want to stick to refractors, but want a lot of aperture and don't have a station wagon handy to haul it, you can go with a refractor array, similar to Project Dragonfly. :lol:
dragonfly-21.jpg
Tom Campbell (astro.tomandjul.com)

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SCOPES: Sky-Watcher 300p f/4.9, Discovery DHQ-8 f/6, Meade DS-2080AT 80 f/10, Meade AS80 f/5
BINOS: 10x50, 16x50, 10x70
1,124 Observations, 603 Objects (97 Glxy, 185 OC, 58 GC, 17 Neb, 39 PN, 171 Dbl)
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Re: Globular Clusters And Telescopes?

#8

Post by pakarinen »


notFritzArgelander wrote: Fri Jun 05, 2020 10:36 pm However one of the most stunning visual astronomy experiences I had was with a 1 meter RC at 600x.
Hmmm. Methinks somebody co-opted the 1-m at LARC...
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I drink tea, I read books, I look at stars when I'm not cursing clouds. It's what I do.
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AT50, AT72EDII, ST80, ST102; Scopetech Zero, AZ-GTi, AZ Pronto; Innorel RT90C, Oberwerk 5000; Orion Giantview 15x70s, Vortex 8x42s, Navy surplus 7x50s, Nikon 10x50s
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Re: Globular Clusters And Telescopes?

#9

Post by pakarinen »


Refractordude wrote: Fri Jun 05, 2020 11:30 pm Thinking this is what I need.
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Why would you want an old Volvo?

:P
=============================================================================
I drink tea, I read books, I look at stars when I'm not cursing clouds. It's what I do.
=============================================================================
AT50, AT72EDII, ST80, ST102; Scopetech Zero, AZ-GTi, AZ Pronto; Innorel RT90C, Oberwerk 5000; Orion Giantview 15x70s, Vortex 8x42s, Navy surplus 7x50s, Nikon 10x50s
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Re: Globular Clusters And Telescopes?

#10

Post by notFritzArgelander »


pakarinen wrote: Sat Jun 06, 2020 10:03 pm
notFritzArgelander wrote: Fri Jun 05, 2020 10:36 pm However one of the most stunning visual astronomy experiences I had was with a 1 meter RC at 600x.
Hmmm. Methinks somebody co-opted the 1-m at LARC...
I was asked to perform observations that evening by Hynek. He had a social function and so did other more senior students. So I was it. The image intensifying eyepiece that showed green phosphors was, by my great good fortune, OFF the Cassegrain spectrograph. A regular eyepiece was in place. So in between taking spectra of the designated research target according to the required schedule I took breaks looking at pretty things, It was the most satisfactory visual astronomy experience I had. M13, M57 and Saturn in the intervals. Talk about color saturation!
Scopes: Refs: Orion ST80, SV 80EDA f7, TS 102ED f11 Newts: AWB 130mm, f5, Z12 f5; Cats: VMC110L, Intes MK66,VMC200L f9.75 EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, Plossl 32-8mm. Mixed brand Masuyama/Astroplans Binoculars: Nikon Aculon 10x50, Celestron 15x70, Baader Maxbright. Mounts: Star Seeker IV, Vixen Porta II, Celestron CG5
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