Brett's Carbon Star Hunt - September 2021

Brett's Monthly Carbon Star Hunt Challenge

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Brett's Carbon Star Hunt - September 2021

#1

Post by KingNothing13 »

Hey all, the year is progressing on - can you believe it is already September? Where does the time go?

On to this month's targets.

For those interested in Carbon Stars, more info can be found here: https://en.wikipedia.org/wiki/Carbon_star as well as here:
https://skyandtelescope.org/observing/o ... bon-stars/


HD 198269 8.22
Since this is not a variable star (And I learned something that not all Carbon Stars are variable), there is no info in the AAVSO databases for this one.

This is taken from SkySafari:

HD 198269 is a 8th magnitude Star appearing in the constellation Delphinus. It is 1173 light years from our solar system. It is a orange-red star of spectral type C-H2 C2 2 CH4. Its energy output is 56 times the Sun's luminosity.

Z Psc 8.80 - 10.10
Data: https://www.aavso.org/vsx/index.php?vie ... &oid=26405

Observations: https://app.aavso.org/webobs/results/?s ... _types=vis

RX Peg 9.7 - 11.6
Data: https://www.aavso.org/vsx/index.php?vie ... &oid=25138

Observations: https://app.aavso.org/webobs/results/?s ... _types=vis


Thanks for reading, now get out there and observe! (Unless it is daytime, then don't).
-- 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
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Lady Fraktor
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Re: Brett's Carbon Star Hunt - September 2021

#2

Post by Lady Fraktor »

KingNothing13 wrote: Wed Sep 01, 2021 12:56 pm Thanks for reading, now get out there and observe! (Unless it is daytime, then don't).
If it is daytime, do solar :)

Some nice choices. Hopefully I can get out to see more!
Telescopes: 1 more than I need but 2 less than I want
Mounts: 5 Equatorial, 3 Az/ Alt
Diagonal: 3 mirror, 2 Amici, 1 Herschel
Eyepieces: Possibly more than 1 person requires
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Re: Brett's Carbon Star Hunt - September 2021

#3

Post by KingNothing13 »

Lady Fraktor wrote: Wed Sep 01, 2021 7:22 pm
KingNothing13 wrote: Wed Sep 01, 2021 12:56 pm Thanks for reading, now get out there and observe! (Unless it is daytime, then don't).
If it is daytime, do solar :)

Some nice choices. Hopefully I can get out to see more!
Bleh, I knew someone was going to say that! :lol:

I can't do that today - too much rain!
-- 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
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Re: Brett's Carbon Star Hunt - September 2021

#4

Post by Lady Fraktor »

The rain has been waiting till late evening lately so I get to come home from work in the rain.
Telescopes: 1 more than I need but 2 less than I want
Mounts: 5 Equatorial, 3 Az/ Alt
Diagonal: 3 mirror, 2 Amici, 1 Herschel
Eyepieces: Possibly more than 1 person requires
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Re: Brett's Carbon Star Hunt - September 2021

#5

Post by KingNothing13 »

My August and September Hunt report, 5 of 6 Carbons found.

viewtopic.php?f=6&t=20298
-- 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
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Re: Brett's Carbon Star Hunt - September 2021

#6

Post by Graeme1858 »

I'm still without a telescope so I had a go at the first and brightest on the list, 8th magnitude HD 198269.

I found Delphinus and sat taking those stars in for a while. Then with El Salib at 7 o'clock, HD 198269 should be centre of view. I was definitely looking in the right place with the pair of 6.5 mag stars just visible to the East and the three like an upside down Aries to the West. But there was nothing to be seen.

A good calibration exercise though. 6.8 magnitude HD197103 is about as dim as I could see with tonight's seeing and my binoculars.

Regards

Graeme
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Re: Brett's Carbon Star Hunt - September 2021

#7

Post by helicon »

I'm going to try the list the next clear night Brett. Right now its foggy, with fully clear skies returning Monday. So I've got my fingers crossed that I will be able to see some again soon.
-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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