Cetus and Eridanus Doubles

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Bigzmey
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Cetus and Eridanus Doubles

#1

Post by Bigzmey »

1/13/2020

This is another installation in my reports on notable binary stars across the winter sky. As before they were observed from my home patio Bortle 7 location, using Stellarvue SV102ED scope on SW AZGti goto mount and set of Vixen SLV EPs.

Cetus
HJ 323 – 6.0, 8.5, 62.8”, golden, orange – wide but colorful double. SLV 25mm (29x)
STF 49 – 7.1, 10, 8.7”, golden, silver - nice contrast. SLV 9mm (79x).
S 390 – 7.8, 7.9, 6.5” – close pair of identical white stars. SLV 9mm (79x).
STF 80 – 7.8, 7.9, 11.1, ab29.8”, ac179.7”, yellow, blue, gray – A and B – nice colors (29x), C – because I was already there (79x).
26 Cet AB – 6.1, 9.5, 16”, cream, bluish – nice contrast. SLV 15mm (48x).

STF 91 – 7.4, 8.6, 4.3”, yellow, white – tight split with SLV 5mm (143x).
37 Cet – 5.2, 7.9, 49.2”, golden, orange – pretty colors. SLV 25mm (29x).
STF 367 – 8.1, 8.2, 1.2”, white pair – figure “8” split. SLV 2.5mm (286x).
STF 330 – 7.3, 9.1, 8.6”, yellow blue – nicely presented in SLV 9mm (79x).
STF 323 – 7.8, 7.9, 2.7”, white pair – tight clean split with SLV 5mm (143x).
STF 280 – 8.0, 8.0, 3.7” – nice looking tight pair of orange tweens. SLV 5mm (143x).
STF 274 AB – 7.5, 7.6, 13.5” – pair of white identical stars nicely framed with SLV 15mm (48x).

Mira – 2-10, 9.0, 78” – rich copper color of famous variable Omi Cet is nicely contrasted with dimmer gun metal secondary. Must see!

Eridanus
STF 341 – 7.6, 10, 9”, yellow, navy – nice contrast. SLV 5mm (143x).
32 Eri – 4.8, 5.9, 10.5, ab6.9”, ac165.9”, orange, bluish, white – A and B – beautiful close pair, C – just because it was there.
HJ 2224 – 6.6, 9.8, 56.7”, orange, silver – nice contrast. SLV 25mm (29x).
39 Eri – 5.0, 8.5, 11.4, ab6.3”, ac133.7”, copper, purple, gray – AB – nice looking pair, C for completion. SLV 5mm (143x).

Omi 2 Eri – 4.4, 10.0, 11.5, ab83.7”, bc9”, lemon, white, ?? – this is an interesting triple. Component B is a white dwarf and C is a red dwarf. I did not manage to resolve C. Need to revisit with bigger guns. :)

STF 536 – 7.9, 8.7, 1.5”, white, white – secondary was picking at the moments of better seeing. SLV 2.5mm (286x).
HJ 342 AB – 7.8, 9.6, 17.2”, orange, navy – nice contrast. SLV 15mm (48x).
STF 560 – 6.3, 9.3, 29.5”, white, gun metal – nice contrast. SLV 15mm (48x).
STF 570 – 6.7, 7.6, 12.7” – neat pair of uneven white stars. SLV 15mm (48x).
STF 576 AB – 7.3, 7.9, 12.4” – another nice-looking pair of semi-equal white stars. SLV 15mm (48x).
55 Eri – 6.7, 6.8, 9.2” – yellow tweens split by hair in SLV 25mm (29x).

By 23:30 nearly full Moon has cleared the roof. I spent last few minutes of the session admiring lunar nooks and crannies in high definition provided by SV102ED/SLVs combo. Image maintained sharpens up to SLV 5mm (0.7mm exit pupil, 143x). With 2.5mm (0.36mm exit pupil, 286x) empty resolution kicked in. Lumicon Green #56 filter did a nice job cutting the glare and improving contrast of the features on the illuminated portion of the Moon.

This session my doubles total of 1103 overtook galaxy count of 1099. However, in two months (hopefully) I will be back to Anza and it will not take long to swing it back. :)
Scopes: Stellarvue: SV102 ED F7; Celestron: 9.25" EdgeHD F10, 8" SCT F10, 6" SCT F10, Omni XLT 150R Achro F5, Onyx 80ED F6.3; Meade: 80ST Achro F5.
Mounts: ES: Twilight I; Bresser: EXOS2; SW: SkyTee2, AzGTi; UA: MicroStar.
Binos: Orion: Little Giant II 15x70, WorldView 10x50, Nikon: Action EX 16x50 & 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Panoptic & Plossls; ES: 68s; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV; Russell Optics: SuperPlossls.
Diagonals: Baader: BBHS silver mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: Positive lock prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S; Astronomik: UHC, Orion: UltraBlock, SkyGlow.
Observing: DSOs: 2005 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 1565, S110: 77). Doubles: 1382, Comets: 18, Asteroids: 88
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Re: Cetus and Eridanus Doubles

#2

Post by bladekeeper »

Nice way to spend a Monday evening, Andrey! :)
Bryan
Scopes: Apertura AD12 f/5; Celestron C6-R f/8; ES AR127 f/6.4; Stellarvue SV102T f/7; iOptron MC90 f/13.3; Orion ST80A f/5; ES ED80 f/6; Celestron Premium 80 f/11.4; Celestron C80 f/11.4; Unitron Model 142 f/16; Meade NG60 f/10
Mounts: Celestron AVX; Bresser EXOS-2; ES Twilight I; ES Twilight II; iOptron Cube-G; AZ3/wood tripod; Vixen Polaris
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Re: Cetus and Eridanus Doubles

#3

Post by Lady Fraktor »

Very nice Bigzmey :)
Proper Telescopes: Antares 105 f/15, Bresser 102 f/13.2, Celestron 150 f/8, Stellarvue NHNGDX 80 f/6.9, TAL 100RS f/10, TS 102 f/11, UR 70 f/10, Vixen ED115s f/7.7
Mounts: Berlebach Planet w/ 410mm pier, Celestron AS-GT, Celestron CG-5 w/ Argo Navis & tracking motor, SLT w/ 250mm pier & tripod mods, Manfrotto 028b w/ SV M2C, Mantrotto 055Pro w/ 128RC, Skywatcher EQ-5 w/ dual drives, TAL MT1C w/ wood tripod, Vixen SXP w/ HAL-130 & 200mm half pier
Diagonal: 2" A-P Maxbright, 2" Baader Herschel Wedge (P), 2" Zeiss/ Baader Amici Prism (DX2), 2" Long Perng Amici Prism, 2" Stellarvue DX, 2" TeleVue EverBrite
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Re: Cetus and Eridanus Doubles

#4

Post by 10538 »

Nice work Andrey! I will have to try a few of those! Thanks!
Ed
Scopes: Orion XX14g 14” Dob w/MoonLite focuser. Meade LX200 Classic 10”w/AudioStar and MoonLite focuser, Criterion RV6, Orion ST80A w/2” GSO micro focuser. Meade ETX 90. Eyepieces: ES 5.5mm 100*, 6.7mm 82*, 11mm 82*, 14mm 100*, 18mm 82*, 20mm 100*, Meade 9mm XWA 100*, 24mm UWA 82*, 56mm 50*, TV Delos 6 & 8mm, Panoptic 24, 27 & 35mm, 17mm Nagler, Powermate 2X, Baader 6mm Ortho, Paracorr II. MISC: Orion Skyview Pro Mount, Skymaster 15x70, 20x70, 25x100 Binos, HoTech Collimator, Kendrick Dew System, Orion G3, Telrads, Catsperch Obs. Chair.
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Re: Cetus and Eridanus Doubles

#5

Post by Bigzmey »

Thanks Bryan, Gabby and Ed!
bladekeeper wrote:
Thu Jan 16, 2020 4:11 am
Nice way to spend a Monday evening, Andrey! :)
In the new year I have yet to see a clear weekend, but Mondays are always clear. :lol:
Scopes: Stellarvue: SV102 ED F7; Celestron: 9.25" EdgeHD F10, 8" SCT F10, 6" SCT F10, Omni XLT 150R Achro F5, Onyx 80ED F6.3; Meade: 80ST Achro F5.
Mounts: ES: Twilight I; Bresser: EXOS2; SW: SkyTee2, AzGTi; UA: MicroStar.
Binos: Orion: Little Giant II 15x70, WorldView 10x50, Nikon: Action EX 16x50 & 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Panoptic & Plossls; ES: 68s; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV; Russell Optics: SuperPlossls.
Diagonals: Baader: BBHS silver mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: Positive lock prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S; Astronomik: UHC, Orion: UltraBlock, SkyGlow.
Observing: DSOs: 2005 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 1565, S110: 77). Doubles: 1382, Comets: 18, Asteroids: 88
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Re: Cetus and Eridanus Doubles

#6

Post by kt4hx »

NIcely done Andrey! When the moon isn't cooperative, nothing like seeing double to make a pleasant eveeing! :)
Alan

Astro Sky 17.5 f/4.5 Dob || Apertura AD12 f/5 Dob || Zhumell Z10 f/4.9 Dob
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Re: Cetus and Eridanus Doubles

#7

Post by Bigzmey »

kt4hx wrote:
Thu Jan 16, 2020 9:49 pm
NIcely done Andrey! When the moon isn't cooperative, nothing like seeing double to make a pleasant eveeing! :)
Thanks Alan! There are certainly plenty of nice looking binaries to keep you entertained.
Scopes: Stellarvue: SV102 ED F7; Celestron: 9.25" EdgeHD F10, 8" SCT F10, 6" SCT F10, Omni XLT 150R Achro F5, Onyx 80ED F6.3; Meade: 80ST Achro F5.
Mounts: ES: Twilight I; Bresser: EXOS2; SW: SkyTee2, AzGTi; UA: MicroStar.
Binos: Orion: Little Giant II 15x70, WorldView 10x50, Nikon: Action EX 16x50 & 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Panoptic & Plossls; ES: 68s; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV; Russell Optics: SuperPlossls.
Diagonals: Baader: BBHS silver mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: Positive lock prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S; Astronomik: UHC, Orion: UltraBlock, SkyGlow.
Observing: DSOs: 2005 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 1565, S110: 77). Doubles: 1382, Comets: 18, Asteroids: 88
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Re: Cetus and Eridanus Doubles

#8

Post by John Baars »

Very pleasant evening with those diamonds, ruby's, sapphires, emeralds and topazes.
I always look forward to seeing the again!
Tonight! :dance:
Telescopes in Schiedam : SW 150mm Achromat F/5, SW Evostar 120ED F/7.5, Vixen 102ED F/9, OMC140 Maksutov F/14.3, SW 102 Maksutov F/13 on Vixen GPDX.
Eyepieces: Kitakaru, Eudiascopic, Panoptic, Morpheus, Nagler, Leica ASPH zoom, CZJena, Brandon, Parks, Fujiyama, Pentax XO5 and XO2.5 .
Binoculars: Kasai 2.3X40, AusJena 10X50 Jenoptem, Swarovski Habicht 7X42, Celestron Skymaster 15X70, Swift Observation 20X80.

Rijswijk Observatory Foundation telescopes: Astro-Physics Starfire 130 f/8 on NEQ6, 6 inch Newton on GP, C8 on NEQ6, Meade 14 inch SCT on EQ8, Lunt.

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Re: Cetus and Eridanus Doubles

#9

Post by Bigzmey »

John Baars wrote:
Sat Jan 18, 2020 4:50 pm
Very pleasant evening with those diamonds, ruby's, sapphires, emeralds and topazes.
I always look forward to seeing the again!
Tonight! :dance:
Thanks John! They are beautiful, aren't they?
Scopes: Stellarvue: SV102 ED F7; Celestron: 9.25" EdgeHD F10, 8" SCT F10, 6" SCT F10, Omni XLT 150R Achro F5, Onyx 80ED F6.3; Meade: 80ST Achro F5.
Mounts: ES: Twilight I; Bresser: EXOS2; SW: SkyTee2, AzGTi; UA: MicroStar.
Binos: Orion: Little Giant II 15x70, WorldView 10x50, Nikon: Action EX 16x50 & 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Panoptic & Plossls; ES: 68s; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV; Russell Optics: SuperPlossls.
Diagonals: Baader: BBHS silver mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: Positive lock prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S; Astronomik: UHC, Orion: UltraBlock, SkyGlow.
Observing: DSOs: 2005 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 1565, S110: 77). Doubles: 1382, Comets: 18, Asteroids: 88
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Re: Cetus and Eridanus Doubles

#10

Post by helicon »

Nice evening out there Andrey! An excellent light show with the 102. Have a great weekend.
-Michael
Various scopes, 10" Zhumell Dob, ES AR152, AWB 5.1" Onesky newt, Oberwerk 25x100 binos, two eyeballs
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Re: Cetus and Eridanus Doubles

#11

Post by Bigzmey »

helicon wrote:
Sat Jan 18, 2020 10:34 pm
Nice evening out there Andrey! An excellent light show with the 102. Have a great weekend.
Thanks Michael!
Scopes: Stellarvue: SV102 ED F7; Celestron: 9.25" EdgeHD F10, 8" SCT F10, 6" SCT F10, Omni XLT 150R Achro F5, Onyx 80ED F6.3; Meade: 80ST Achro F5.
Mounts: ES: Twilight I; Bresser: EXOS2; SW: SkyTee2, AzGTi; UA: MicroStar.
Binos: Orion: Little Giant II 15x70, WorldView 10x50, Nikon: Action EX 16x50 & 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Panoptic & Plossls; ES: 68s; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV; Russell Optics: SuperPlossls.
Diagonals: Baader: BBHS silver mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: Positive lock prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S; Astronomik: UHC, Orion: UltraBlock, SkyGlow.
Observing: DSOs: 2005 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 1565, S110: 77). Doubles: 1382, Comets: 18, Asteroids: 88
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Re: Cetus and Eridanus Doubles

#12

Post by terrynak »

Another very productive evening Andrey! I'm still dreaming of the next opportunity I get of observing from home (hasn't happened since April 30).

I'm also looking at the AF Southern Sky Challenge List - to see what other objects I can pick up from So Cal... I noticed you picked up a lot from home (Anza Borrego) - and from Hawaii.
Scopes: Reflectors, refractors, and 1 catadioptric. Ranging in aperture from 50mm to 150mm.
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Re: Cetus and Eridanus Doubles

#13

Post by Bigzmey »

terrynak wrote:
Mon Jan 20, 2020 1:36 am
Another very productive evening Andrey! I'm still dreaming of the next opportunity I get of observing from home (hasn't happened since April 30).

I'm also looking at the AF Southern Sky Challenge List - to see what other objects I can pick up from So Cal... I noticed you picked up a lot from home (Anza Borrego) - and from Hawaii.
Thanks Terry! Yes, I believe I picked over 60 from Anza and a dozen or so from Hawaii.
Scopes: Stellarvue: SV102 ED F7; Celestron: 9.25" EdgeHD F10, 8" SCT F10, 6" SCT F10, Omni XLT 150R Achro F5, Onyx 80ED F6.3; Meade: 80ST Achro F5.
Mounts: ES: Twilight I; Bresser: EXOS2; SW: SkyTee2, AzGTi; UA: MicroStar.
Binos: Orion: Little Giant II 15x70, WorldView 10x50, Nikon: Action EX 16x50 & 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Panoptic & Plossls; ES: 68s; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV; Russell Optics: SuperPlossls.
Diagonals: Baader: BBHS silver mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: Positive lock prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S; Astronomik: UHC, Orion: UltraBlock, SkyGlow.
Observing: DSOs: 2005 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 1565, S110: 77). Doubles: 1382, Comets: 18, Asteroids: 88
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Re: Cetus and Eridanus Doubles

#14

Post by terrynak »

Bigzmey wrote:
Mon Jan 20, 2020 4:48 am
terrynak wrote:
Mon Jan 20, 2020 1:36 am
Another very productive evening Andrey! I'm still dreaming of the next opportunity I get of observing from home (hasn't happened since April 30).

I'm also looking at the AF Southern Sky Challenge List - to see what other objects I can pick up from So Cal... I noticed you picked up a lot from home (Anza Borrego) - and from Hawaii.
Thanks Terry! Yes, I believe I picked over 60 from Anza and a dozen or so from Hawaii.
Great that you could pick so many up from Anza. I'll try to pick up some of these on my next local dark sky trip (those greater than -40° northward, for example).

Otherwise, the rest will have to wait until my next trip south of the Equator.
Scopes: Reflectors, refractors, and 1 catadioptric. Ranging in aperture from 50mm to 150mm.
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Re: Cetus and Eridanus Doubles

#15

Post by Juno16 »

Man, what a wonderful night out Bigz. Sounds like an easy run out to the backyard!

One day, I will have to pick up a decent frac just for viewing. The 5” newt doesn’t do too badly though, vewing doubles through a nice refractor, especially a ED is snappy. I have the ES ED102, but it is a lot of reconfiguring. Ill bet that SV102 is sweet!

Very enjoyable read Bigz. One of the main reasons that I first got started in astronomy was doubles.
I was out last night imaging M78 and plan to get out again to add more data tonight. Maybe I will get out the newt for some views! Thanks for the spark!

Jim
Jim

Scopes: Explore Scientific ED102 Triplet APO, Celestron Nexstar 130 SLT.
Mounts: Celestron AVX with Orion MM Autoguider, SLT;
Binoculars: Bushnell 10X50
Stuff: ASI EAF Focus Motor, Stellarview FF/FR
Camera / Software: Nikon D5300 (Ha mod), IDAS LPS D-1 Filter, Astrophotography Tool, PHD2, SharpCap v3.2, StarTools 1.6 alpha, Adobe Photoshop 21.1.3
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Re: Cetus and Eridanus Doubles

#16

Post by Bigzmey »

Juno16 wrote:
Mon Jan 20, 2020 11:07 am
Man, what a wonderful night out Bigz. Sounds like an easy run out to the backyard!

One day, I will have to pick up a decent frac just for viewing. The 5” newt doesn’t do too badly though, vewing doubles through a nice refractor, especially a ED is snappy. I have the ES ED102, but it is a lot of reconfiguring. Ill bet that SV102 is sweet!

Very enjoyable read Bigz. One of the main reasons that I first got started in astronomy was doubles.
I was out last night imaging M78 and plan to get out again to add more data tonight. Maybe I will get out the newt for some views! Thanks for the spark!

Jim
Thanks Jim! I bet you will like the views through your ES 102ED to. I don't know how much hassle is switching from AP to visual mode.
Scopes: Stellarvue: SV102 ED F7; Celestron: 9.25" EdgeHD F10, 8" SCT F10, 6" SCT F10, Omni XLT 150R Achro F5, Onyx 80ED F6.3; Meade: 80ST Achro F5.
Mounts: ES: Twilight I; Bresser: EXOS2; SW: SkyTee2, AzGTi; UA: MicroStar.
Binos: Orion: Little Giant II 15x70, WorldView 10x50, Nikon: Action EX 16x50 & 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Panoptic & Plossls; ES: 68s; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV; Russell Optics: SuperPlossls.
Diagonals: Baader: BBHS silver mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: Positive lock prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S; Astronomik: UHC, Orion: UltraBlock, SkyGlow.
Observing: DSOs: 2005 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 1565, S110: 77). Doubles: 1382, Comets: 18, Asteroids: 88
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Re: Cetus and Eridanus Doubles

#17

Post by Juno16 »

Bigzmey wrote:
Mon Jan 20, 2020 6:43 pm
Juno16 wrote:
Mon Jan 20, 2020 11:07 am
Man, what a wonderful night out Bigz. Sounds like an easy run out to the backyard!

One day, I will have to pick up a decent frac just for viewing. The 5” newt doesn’t do too badly though, vewing doubles through a nice refractor, especially a ED is snappy. I have the ES ED102, but it is a lot of reconfiguring. Ill bet that SV102 is sweet!

Very enjoyable read Bigz. One of the main reasons that I first got started in astronomy was doubles.
I was out last night imaging M78 and plan to get out again to add more data tonight. Maybe I will get out the newt for some views! Thanks for the spark!

Jim
Thanks Jim! I bet you will like the views through your ES 102ED to. I don't know how much hassle is switching from AP to visual mode.
I really do! It gives great views.

Its a real pain in the butt switching over though. I have tried to reduce imaging set up time and reconfiguring to visual and back again is a pain. The 5” newt isn’t as crisp and doesn’t respond as well to high magnification, but it works pretty well for dso’s and doubles. It doesn’t do well in +10 mph winds like we had last night and tonight though!

Thanks,
Jim
Jim

Scopes: Explore Scientific ED102 Triplet APO, Celestron Nexstar 130 SLT.
Mounts: Celestron AVX with Orion MM Autoguider, SLT;
Binoculars: Bushnell 10X50
Stuff: ASI EAF Focus Motor, Stellarview FF/FR
Camera / Software: Nikon D5300 (Ha mod), IDAS LPS D-1 Filter, Astrophotography Tool, PHD2, SharpCap v3.2, StarTools 1.6 alpha, Adobe Photoshop 21.1.3
Dog: Jack
Sky: Bortle 7
Astro Photos https://flickr.com/photos/157183480@N07 ... 7681236785
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