Splitting Regulus

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jrkirkham
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Splitting Regulus

#1

Post by jrkirkham »

This seems more like an observation report than astrophotography so I'll place it here.

I spent last night in the observatory, mostly sleeping. The sky was cloudy and the moon was nearly full. Sill I hadn't been out for a couple of weeks and wanted to try out some new ideas. I focused first on the moon, then moved over to Regulus and tried out my new bahtinov mask. I had never used one before. It worked great. I also cut an X in a Pringles can lid and slipped it over my focusing knob to create a fine tuning focuser for my SCT. I didn't tally think it would work, but it did. I was impressed. Then I used about 175x on Regulus to split Regulus A, B & C. This was my first time paying much attention to double stars. I think I may take some time and pay more attention to them in the future. Then I slapped the DSLR on to grab a quick snapshot before turning the telescope back to the moon. The clouds were fast moving and thick enough that the moon's focus was soft and Regulus could not be seen most of the time. That didn't stop me from trying for a few lunar snapshots. If I like any of them I'll post them. Then I went to bed. I was finished by 10:30.

Here is y snapshot of Regulus. It is a single frame with ISO1600 and a 15 sec. exposure.
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Regulus system  low res.jpg
Rob
Telescopes: 50mm refractor, ED80 triplet, 90mm makcass, 10" dob, 8"SCT, 11"SCT
Mounts: Celestron CGX, Orion Sirius + several camera tripods
Cameras: Canon 6D, Canon 80D, ZWO-ASI120MC
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Re: Splitting Regulus

#2

Post by prowler75 »

Nice work John! Splitting doubles can be a pretty fun activity, especially when sky conditions are not conducive for going after faint DSOs.
Craig
Telescopes: Zhumell Z12, Orion XT8, Explore Scientific FL-AR127/1200, Celestron Omni XLT AZ 102, Tasco 8v
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Re: Splitting Regulus

#3

Post by Makuser »

Hi Rob. A fine work on splitting Regulus A,B, and C. And, as Craig said above, splitting doubles is still quite possible even in less than perfect skies. Thanks for sharing this capture with us Rob, and I really enjoyed your excellent image.
- Marshall
Sky-Watcher 90mm f/13.9 Maksutov-Cassegrain on motorized Multimount
Orion Astroview 120ST f/5 Refractor on EQ3 mount
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Orion XT12i 12" f/4.9 Dobsonian Intelliscope.
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Re: Splitting Regulus

#4

Post by Juno16 »

Sounds like fun John! Even the sleeping!

One of the reasons that
I got into the hobby was double stars. Kind of got away from it with AP, but just ordered a new scope and hope to get back into observing again soon.

Thanks for the fun report!
Jim

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Re: Splitting Regulus

#5

Post by Lady Fraktor »

Congratulations on the observation Rob.
A nice image as well.
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Re: Splitting Regulus

#6

Post by helicon »

Nice observations and image Rob. Plus, you got in some ZZZZ's in the observatory!
-Michael
Various scopes, 10" Zhumell Dob f/4.9, ES AR152 f/6.5, AWB 5.1" Onesky newt, Oberwerk 25x100 binos, two eyeballs. Camera: ZWO ASI 120
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Re: Splitting Regulus

#7

Post by mikemarotta »

jrkirkham wrote: Sat Mar 27, 2021 4:32 pm. This seems more like an observation report than astrophotography so I'll place it here.
Yes, and thanks. I am somewhat less than sanguine about astrophotography which I appreciate only as an artform, not science. (I did pay one of our local astro stalwarts a pretty penny for two of his mounted prints for my home office.) And in this case, I accept the snapshot as a valid record of your observation. So, thanks, again.
jrkirkham wrote: Sat Mar 27, 2021 4:32 pm. ... for my SCT. ... used about 175x on Regulus to split Regulus A, B & C. ...
Which of the two? The eight or the 11? And which ocular, for "about" 175x? I am chasing this one also, but with much less hope for my skies and instrument.
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jrkirkham
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Re: Splitting Regulus

#8

Post by jrkirkham »

I have poor eyesight. I usually lose low power. If I remember correctly I think I used a 40mm eyepiece with a 2.5x Powermate to split them. Then I switched the eyepiece for the DSLR for the picture.
Rob
Telescopes: 50mm refractor, ED80 triplet, 90mm makcass, 10" dob, 8"SCT, 11"SCT
Mounts: Celestron CGX, Orion Sirius + several camera tripods
Cameras: Canon 6D, Canon 80D, ZWO-ASI120MC
Binoculars: 10x50, 12x60, 15x70, 25-125x80
Observatory: SkyShed POD XL3 + 8x12 warm room
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Re: Splitting Regulus

#9

Post by helicon »

Congrats Rob on winning the VROD award for the day (4-14-2021)!
-Michael
Various scopes, 10" Zhumell Dob f/4.9, ES AR152 f/6.5, AWB 5.1" Onesky newt, Oberwerk 25x100 binos, two eyeballs. Camera: ZWO ASI 120
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Re: Splitting Regulus

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Post by kt4hx »

Congrats on wining today's VROD award Rob. Great job on splitting Regulus my friend.
Alan

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Re: Splitting Regulus

#11

Post by Gordon »

Congratulations on the VROD Rob!

Well deserved!
Gordon
Scopes: Explore Scientific ED80CF, Skywatcher 254N, Orion ST80, Orion Atlas EQ-g mount, Orion SSAG guider. Baader MPCC MkIII coma corrector, Vixen 70mm refractor. Lunt LS35THa solar scope. Skywatcher EQ5pro mount. Imagers: ZWO ASI1600 MM Cool, ZWO ASI533mc-Pro, ZWO ASI174mm-C (for use with my Quark chromosphere), ZWO ASI120MC Filters: LRGB, Ha 7nm, O-III 7nm, S-II 7nm Eyepieces: a few, Primary software: Cartes du Ciel, EQMOD, SGP, Nebulosity, Photoshop, StarTools V1.4
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Re: Splitting Regulus

#12

Post by Makuser »

Hi again Rob. My brother still lives in Mokena, IL., and he tells me how bad the mid western skies can be at this time. I just wanted to congratulate you on winning the well deserved TSS VROD Award today.
- Marshall
Sky-Watcher 90mm f/13.9 Maksutov-Cassegrain on motorized Multimount
Orion Astroview 120ST f/5 Refractor on EQ3 mount
Celestron Omni XLT150R f/5 Refractor on CG4 mount with dual axis drives.
Orion 180mm f/15 Maksutov-Cassegrain on CG5-GT Goto mount.
Orion XT12i 12" f/4.9 Dobsonian Intelliscope.
Kamakura 7x35 Binoculars and Celestron SkyMaster 15x70 Binoculars. ZWO ASI120MC camera.
>)))))*>
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