Brett's Carbon Star Hunt - May 2021
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Brett's Carbon Star Hunt - May 2021
Hello all and welcome to the May 2021 Edition of "Brett's Carbon Star Hunt".
My observing time has been nothing since October or so, I think I am in an observing low, it happens. We'll see how things go.
I hope you all are able to get out and observe these - they really are nice stars.
T Lyr - (7.84 - 9.60) - I *believe* this is the first Carbon Star I observed when I was at the Observatory B&B in British Columbia a long while ago now - almost 7 years ago now.
Data can be found here, and observations can be found here.
T Dra - (7.2 - 13.5) - Data is found here, and the observation log can be found here.
TW Oph - (11.6 - 13.8) - This is the more difficult challenge of the month, dimmer than the other targets, hopefully everyone likes the challenge! Data found here and observation log here.
I hope everyone is able to get out and observe!
My observing time has been nothing since October or so, I think I am in an observing low, it happens. We'll see how things go.
I hope you all are able to get out and observe these - they really are nice stars.
T Lyr - (7.84 - 9.60) - I *believe* this is the first Carbon Star I observed when I was at the Observatory B&B in British Columbia a long while ago now - almost 7 years ago now.
Data can be found here, and observations can be found here.
T Dra - (7.2 - 13.5) - Data is found here, and the observation log can be found here.
TW Oph - (11.6 - 13.8) - This is the more difficult challenge of the month, dimmer than the other targets, hopefully everyone likes the challenge! Data found here and observation log here.
I hope everyone is able to get out and observe!
-- Brett
Scope: Apertura AD10 with Nexus II with 8192/716000 Step Encoders
EPs: ES 82* 18mm, 11mm, 6.7mm; GSO 30mm
Celestron SkyMaster 15x70 Binoculars
List Counts: Messier: 75; Herschel 400: 30; Caldwell: 12; AL Carbon Star List: 16
Brett's Carbon Star Hunt
Scope: Apertura AD10 with Nexus II with 8192/716000 Step Encoders
EPs: ES 82* 18mm, 11mm, 6.7mm; GSO 30mm
Celestron SkyMaster 15x70 Binoculars
List Counts: Messier: 75; Herschel 400: 30; Caldwell: 12; AL Carbon Star List: 16
Brett's Carbon Star Hunt
- Piet Le Roux
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Re: Brett's Carbon Star Hunt - May 2021
Thanks brett, and for those, like myself, that knew nothing about carbon stars information can be found here :
https://skyandtelescope.org/observing/o ... bon-stars/
https://skyandtelescope.org/observing/o ... bon-stars/
Main Equipment : Tele Vue 27mm Panoptic, 7&13mm Nagler, Big Barlow : 8" Meade LX90ACF with Meade 2.0" Enhanced Diagonal : Camera Fuji XT100
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Re: Brett's Carbon Star Hunt - May 2021
I think Proxima Centauri qualify as a red dwarf and carbon star ? please correct me if I am wrong. I have been trying to identify it but it is a dim 11 magnitude star among other similar stars.....I think I will give it another try....
Main Equipment : Tele Vue 27mm Panoptic, 7&13mm Nagler, Big Barlow : 8" Meade LX90ACF with Meade 2.0" Enhanced Diagonal : Camera Fuji XT100
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Re: Brett's Carbon Star Hunt - May 2021
Proxima is a Red Dwarf and not a Carbon Star - they are different types of stars.Piet Le Roux wrote: ↑Sat May 01, 2021 3:37 pm I think Proxima Centauri qualify as a red dwarf and carbon star ? please correct me if I am wrong. I have been trying to identify it but it is a dim 11 magnitude star among other similar stars.....I think I will give it another try....
https://en.wikipedia.org/wiki/Red_dwarf
https://en.wikipedia.org/wiki/Carbon_star
Thanks for checking in!
-- Brett
Scope: Apertura AD10 with Nexus II with 8192/716000 Step Encoders
EPs: ES 82* 18mm, 11mm, 6.7mm; GSO 30mm
Celestron SkyMaster 15x70 Binoculars
List Counts: Messier: 75; Herschel 400: 30; Caldwell: 12; AL Carbon Star List: 16
Brett's Carbon Star Hunt
Scope: Apertura AD10 with Nexus II with 8192/716000 Step Encoders
EPs: ES 82* 18mm, 11mm, 6.7mm; GSO 30mm
Celestron SkyMaster 15x70 Binoculars
List Counts: Messier: 75; Herschel 400: 30; Caldwell: 12; AL Carbon Star List: 16
Brett's Carbon Star Hunt
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Re: Brett's Carbon Star Hunt - May 2021
Hopefully will be able to give it a go with this month's objects Brett. Weather permitting.
-Michael
Refractors: ES AR152 f/6.5 Achromat on Twilight II, Celestron 102mm XLT f/9.8 on Celestron Heavy Duty Alt Az mount, KOWA 90mm spotting scope
Binoculars: Celestron SkyMaster 15x70, Bushnell 10x50
Eyepieces: Various, GSO Superview, 9mm Plossl, Celestron 25mm Plossl
Camera: ZWO ASI 120
Naked Eye: Two Eyeballs
Latitude: 48.7229° N
Refractors: ES AR152 f/6.5 Achromat on Twilight II, Celestron 102mm XLT f/9.8 on Celestron Heavy Duty Alt Az mount, KOWA 90mm spotting scope
Binoculars: Celestron SkyMaster 15x70, Bushnell 10x50
Eyepieces: Various, GSO Superview, 9mm Plossl, Celestron 25mm Plossl
Camera: ZWO ASI 120
Naked Eye: Two Eyeballs
Latitude: 48.7229° N
- Piet Le Roux
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Re: Brett's Carbon Star Hunt - May 2021
I found some Carbon Star lists for the southern and northern hemisphere:https://ozsky.org/resources.asp
I used the info to write a Meade tour of carbon Stars brighter than 7 magnitude for the southern hemisphere:
TITLE "Carbon Stars"
//For southern hemisphere >mag7
AUTO SELECT TEXT "Carbon Stars" "Press 'ENTER' to skip to next item, 'GOTO ' to see and 'MODE' for 3s to EXIT"
AUTO SELECT USER 06:54:27 -42d21m56s " NP Pup/HR2591 " ": Spectra class N4.5 : Mag 6.4 : Distance 1400 ly : In Puppis :"
AUTO SELECT USER 10:35:13 -39d33m45s " U Ant/HR4153 " ": Spectra class C5 : Mag 5.5 : Distance 840 ly : In Antlia :"
AUTO SELECT USER 10:11:54 -35d19m29s " AB Ant/HD88539" ": Spectra class C6 : Mag 6.8 : Distance 980 ly : In Antlia :"
AUTO SELECT USER 01:26:58 -32d32m36s " B Scl/HR423 " ": Spectra class C6 : Mag 6.6 : Distance 1500 ly : In Sculptor :"
AUTO SELECT USER 09:51:04 -23d01m02s " Y Hya/HD85405 " ": Spectra class C5 : Mag 6.6 : Distance 1100 ly : In Hydra :"
AUTO SELECT USER 10:51:37 -21d15m00s "V Hya/SAO179278" ": Spectra class C6-7 : Mag 6.6 : Distance 1561 ly : In Hydra :"
AUTO SELECT USER 19:34:19 -16d22m27s "AQ Sgr/HD184283" ": Spectra class C7 : Mag 6.9 : Distance 1822 ly : In Sagittarius:"
AUTO SELECT USER 19:19:10 -15d54m30s " HD180953 " ": Spectra class C6 : Mag 6.9 : Distance 1300 ly : In Sagittarius:"
AUTO SELECT USER 18:50:20 -07d54m27s " S Sgr/HR7089 " ": Spectra class C6 : Mag 6.7 : Distance 1300 ly : In Sagittarius:"
AUTO SELECT USER 05:05:24 +01d10m39s " W Ori/HR1648 " ": Spectra class C5 : Mag 5.8 : Distance 700 ly : In Orion :"
AUTO SELECT USER 23:46:24 +03d29m12s " 19 Psc/TX Psc " ": Spectra class C7 : Mag 5 : Distance 760 ly : In Pisces :"
AUTO SELECT TEXT "The End" "Thanks for taking the tour of 'Carbon Stars' (c)2021 Piet Le Roux "
#END
I will have a look at these at our club meet on Saturday.....weather permitting.
I used the info to write a Meade tour of carbon Stars brighter than 7 magnitude for the southern hemisphere:
TITLE "Carbon Stars"
//For southern hemisphere >mag7
AUTO SELECT TEXT "Carbon Stars" "Press 'ENTER' to skip to next item, '
AUTO SELECT USER 06:54:27 -42d21m56s " NP Pup/HR2591 " ": Spectra class N4.5 : Mag 6.4 : Distance 1400 ly : In Puppis :"
AUTO SELECT USER 10:35:13 -39d33m45s " U Ant/HR4153 " ": Spectra class C5 : Mag 5.5 : Distance 840 ly : In Antlia :"
AUTO SELECT USER 10:11:54 -35d19m29s " AB Ant/HD88539" ": Spectra class C6 : Mag 6.8 : Distance 980 ly : In Antlia :"
AUTO SELECT USER 01:26:58 -32d32m36s " B Scl/HR423 " ": Spectra class C6 : Mag 6.6 : Distance 1500 ly : In Sculptor :"
AUTO SELECT USER 09:51:04 -23d01m02s " Y Hya/HD85405 " ": Spectra class C5 : Mag 6.6 : Distance 1100 ly : In Hydra :"
AUTO SELECT USER 10:51:37 -21d15m00s "V Hya/SAO179278" ": Spectra class C6-7 : Mag 6.6 : Distance 1561 ly : In Hydra :"
AUTO SELECT USER 19:34:19 -16d22m27s "AQ Sgr/HD184283" ": Spectra class C7 : Mag 6.9 : Distance 1822 ly : In Sagittarius:"
AUTO SELECT USER 19:19:10 -15d54m30s " HD180953 " ": Spectra class C6 : Mag 6.9 : Distance 1300 ly : In Sagittarius:"
AUTO SELECT USER 18:50:20 -07d54m27s " S Sgr/HR7089 " ": Spectra class C6 : Mag 6.7 : Distance 1300 ly : In Sagittarius:"
AUTO SELECT USER 05:05:24 +01d10m39s " W Ori/HR1648 " ": Spectra class C5 : Mag 5.8 : Distance 700 ly : In Orion :"
AUTO SELECT USER 23:46:24 +03d29m12s " 19 Psc/TX Psc " ": Spectra class C7 : Mag 5 : Distance 760 ly : In Pisces :"
AUTO SELECT TEXT "The End" "Thanks for taking the tour of 'Carbon Stars' (c)2021 Piet Le Roux "
#END
I will have a look at these at our club meet on Saturday.....weather permitting.
Main Equipment : Tele Vue 27mm Panoptic, 7&13mm Nagler, Big Barlow : 8" Meade LX90ACF with Meade 2.0" Enhanced Diagonal : Camera Fuji XT100
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Re: Brett's Carbon Star Hunt - May 2021
That's great! Please let us know of the results!
-- Brett
Scope: Apertura AD10 with Nexus II with 8192/716000 Step Encoders
EPs: ES 82* 18mm, 11mm, 6.7mm; GSO 30mm
Celestron SkyMaster 15x70 Binoculars
List Counts: Messier: 75; Herschel 400: 30; Caldwell: 12; AL Carbon Star List: 16
Brett's Carbon Star Hunt
Scope: Apertura AD10 with Nexus II with 8192/716000 Step Encoders
EPs: ES 82* 18mm, 11mm, 6.7mm; GSO 30mm
Celestron SkyMaster 15x70 Binoculars
List Counts: Messier: 75; Herschel 400: 30; Caldwell: 12; AL Carbon Star List: 16
Brett's Carbon Star Hunt
- Piet Le Roux
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Re: Brett's Carbon Star Hunt - May 2021
So we had our club meet last night at the famous Boyden Observatory outside Bloemfontein and at first the weather was not accommodating but cleared nicely later. This left us with a busy schedule and not much time, covid curfew starts at 24h00 and we still had to get back to the city, the focus constellations were Centaurus and Crux and I found two carbon stars in them that I thought would have potential : Ruby Crucis next to Mimosa in Crux and S Cen/HD107957, I worked them into the program that I had setup as a Meade tour on a LX90, but to be honest they were not spectacular, they were just visible and very little red were visiable. Not a good introduction for any novice but I have not given up, I realise that timing is is important with these obsevations because they are variable stars and it is important to view them on the peak of their cycles. For that I would have to do more research and find out what these dates are. All considered it was a very successful club outing!
Main Equipment : Tele Vue 27mm Panoptic, 7&13mm Nagler, Big Barlow : 8" Meade LX90ACF with Meade 2.0" Enhanced Diagonal : Camera Fuji XT100
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Re: Brett's Carbon Star Hunt - May 2021
I'll check next time I visit Lyra.
Refractors in frequency of use : *SW Evostar 120ED F/7.5 (all round ), * Vixen 102ED F/9 (vintage), both on Vixen GPDX.
GrabnGo on Alt/AZ : *SW Startravel 102 F/5 refractor( widefield, Sun, push-to), *OMC140 Maksutov F/14.3 ( planets).
Most used Eyepieces: *Panoptic 24, *Morpheus 14, *Leica ASPH zoom, *Zeiss barlow, *Pentax XO5.
Commonly used bino's : *Jena 10X50 , * Canon 10X30 IS, *Swarovski Habicht 7X42, * Celestron 15X70, *Kasai 2.3X40
Rijswijk Public Observatory: * Astro-Physics Starfire 130 f/8, * 6 inch Newton, * C9.25, * Meade 14 inch LX600 ACF, *Lunt.
Amateur astronomer since 1970.
GrabnGo on Alt/AZ : *SW Startravel 102 F/5 refractor( widefield, Sun, push-to), *OMC140 Maksutov F/14.3 ( planets).
Most used Eyepieces: *Panoptic 24, *Morpheus 14, *Leica ASPH zoom, *Zeiss barlow, *Pentax XO5.
Commonly used bino's : *Jena 10X50 , * Canon 10X30 IS, *Swarovski Habicht 7X42, * Celestron 15X70, *Kasai 2.3X40
Rijswijk Public Observatory: * Astro-Physics Starfire 130 f/8, * 6 inch Newton, * C9.25, * Meade 14 inch LX600 ACF, *Lunt.
Amateur astronomer since 1970.
- John Baars
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Re: Brett's Carbon Star Hunt - May 2021
It wasn't dark yet when I observed T Lyra in my 120 mm refractor. On entering its SAO number in the old Skysensor it responded: "no data". I therefore entered its coordinates. There it was: a little red star of magnitude 8, quite alone in its field. After a while I started seeing some fainter stars nearby. It was a nice sight. Thanks for bringing it under our attention!
Image from Stellarium, edited in Paint. Click the image to see some neighboring stars.
Image from Stellarium, edited in Paint. Click the image to see some neighboring stars.
Refractors in frequency of use : *SW Evostar 120ED F/7.5 (all round ), * Vixen 102ED F/9 (vintage), both on Vixen GPDX.
GrabnGo on Alt/AZ : *SW Startravel 102 F/5 refractor( widefield, Sun, push-to), *OMC140 Maksutov F/14.3 ( planets).
Most used Eyepieces: *Panoptic 24, *Morpheus 14, *Leica ASPH zoom, *Zeiss barlow, *Pentax XO5.
Commonly used bino's : *Jena 10X50 , * Canon 10X30 IS, *Swarovski Habicht 7X42, * Celestron 15X70, *Kasai 2.3X40
Rijswijk Public Observatory: * Astro-Physics Starfire 130 f/8, * 6 inch Newton, * C9.25, * Meade 14 inch LX600 ACF, *Lunt.
Amateur astronomer since 1970.
GrabnGo on Alt/AZ : *SW Startravel 102 F/5 refractor( widefield, Sun, push-to), *OMC140 Maksutov F/14.3 ( planets).
Most used Eyepieces: *Panoptic 24, *Morpheus 14, *Leica ASPH zoom, *Zeiss barlow, *Pentax XO5.
Commonly used bino's : *Jena 10X50 , * Canon 10X30 IS, *Swarovski Habicht 7X42, * Celestron 15X70, *Kasai 2.3X40
Rijswijk Public Observatory: * Astro-Physics Starfire 130 f/8, * 6 inch Newton, * C9.25, * Meade 14 inch LX600 ACF, *Lunt.
Amateur astronomer since 1970.
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