Brett's Carbon Star Hunt - December 2020
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Brett's Carbon Star Hunt - December 2020
Once again due to "reasons" November was a complete washout - December will likely be the same but I will keep going.
I hope everyone else had a good November, and will have a better December!
As always, info on Carbon Stars can be found here.
On to our targets for this month!
BL ORI - There seems to be some discrepancies between the magnitude range for this one. Sky Safari lists it as 7.9 - 9.7, but the AAVSO Database says 5.9 - 6.6. Which is correct? I do not know. What will you see?
AAVSO Data.
And Reported Visual Observations for the last year: https://www.aavso.org/apps/webobs/resul ... tar=BL+Ori
W CMA - Data and Observations
T CNC - Sky Safari says this is a double star, so it should be a fun target. The Carbon is dimmer than the previous two this month - ranges from 7.6 - 10.5. The secondary, according to SS sits at 254 degrees, and is separated by 139"
Data and Observations
Good luck and happy hunting!
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 - December 2020
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
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Re: Brett's Carbon Star Hunt - December 2020
You too, Michael! Getting colder here, so....yeah.....
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 - December 2020
Bloody clouds and rain.
Thank you for the targets Brett
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Re: Brett's Carbon Star Hunt - December 2020
Mounts: Vixen SXW/Starbook (original); Stellarvue M2C alt-az.
Eyepieces: Televue: 55mm Plossl, 22mm Panoptic, 17.3mm Delos, 13mm Nagler, c. 1980, 11mm Plossl, 7mm Nagler, 5mm Radian; Meade 15mm Super Plossl; VERNONSCOPE 2.4X BARLOW
Binoculars: Leica 8x32 Trinovids, circa 1997; Orion Megaview 20x80, Orion Paragon Plus mount.
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Re: Brett's Carbon Star Hunt - December 2020
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 - December 2020
I like the Carbon Star Hunt advert in your signature strategy!
Regards
Graeme
Celestron 9.25 f10 SCT, f6.3FR, CGX. Sky-Watcher Evostar-120, HEQ5
ASI1600MM Pro, ASI294MC Pro, ASI224MC
ZWO EFW, ZWO OAG, ASI220MM Mini.
APM 11x70 ED APO Binoculars.
https://www.averywayobservatory.co.uk/
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Re: Brett's Carbon Star Hunt - December 2020
Thanks! I figured if people were looking for it, and found me they'd find it that way!Graeme1858 wrote: ↑Thu Dec 10, 2020 1:31 pm Judging by my signature weather forecast, I might get a go at this on Saturday night!
I like the Carbon Star Hunt advert in your signature strategy!
Regards
Graeme
My weather looks like complete garbage for the near future. Tonight could be a possibility - but we have plans tonight, so it is basically out!
Someday. I hope it clears up the 21st though so I can get a peek at Saturn/Jupiter.
Good luck Graeme - I hope you are able to get out and check them out!
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 - December 2020
Found BL Orionis and W Canis Majoris without a lot of difficulty. BL Orionis was easily located by visualizing a right triangle with Alhena and Alzirr in Gemini. W CMa a bit trickier. I made an imaginary triangle with Muliphein and Theta CMa. Could not locate the third challenge star. Maybe too dim for the little 80mm scope.
Anyway, it was a fun challenge and I thank you, Brett, for the targets.
Mounts: Vixen SXW/Starbook (original); Stellarvue M2C alt-az.
Eyepieces: Televue: 55mm Plossl, 22mm Panoptic, 17.3mm Delos, 13mm Nagler, c. 1980, 11mm Plossl, 7mm Nagler, 5mm Radian; Meade 15mm Super Plossl; VERNONSCOPE 2.4X BARLOW
Binoculars: Leica 8x32 Trinovids, circa 1997; Orion Megaview 20x80, Orion Paragon Plus mount.
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Re: Brett's Carbon Star Hunt - December 2020
Moving on to T Cnc I set the sequence to capture 3 instances of 2 x L, 1 x R, 1 x G, 1 x B at 180 seconds each. But the clouds filled the sky before the sequence finished. So this is 4 x L, 2 x R, 2 x G, 2 x B. I had to make some copies so that I had a minimum of 3 per channel for
The images are not brilliant, they need more data and I didn't bother doing any Flat Frames but I got some imaging practice in, I got some processing practice in and I tested my new Sequence Template. However, the targets are excellent! The colours of Carbon stars are stunning. Would have liked to have got the double W Cma but the weather and the altitude decided otherwise.
Cheers Brett
Graeme
Celestron 9.25 f10 SCT, f6.3FR, CGX. Sky-Watcher Evostar-120, HEQ5
ASI1600MM Pro, ASI294MC Pro, ASI224MC
ZWO EFW, ZWO OAG, ASI220MM Mini.
APM 11x70 ED APO Binoculars.
https://www.averywayobservatory.co.uk/
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