Brett's Carbon Star Hunt - April/May 2022
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Brett's Carbon Star Hunt - April/May 2022
Enjoy! All text taken from SkySafari.
HD 113801: +8.50
HD 113801 is a 8th magnitude Star appearing in the constellation Virgo. It is 2118 light years from our solar system. It is a orange giant of spectral type K0IIICNIab. Its surface temperature is 4660 Kelvins - 19% cooler than the Sun's - and it is 22.3 times the Sun's diameter in size. This star's total energy output, or luminosity, is 211 times the Sun's, and it has a mass of 1.1 Solar masses.
HD 156074: +7.59
HD 156074 is a 7th magnitude Star appearing in the constellation Hercules. It is 1069 light years from our solar system. It is a orange giant of spectral type C-R2IIIa: C2 3 CH3.5. Its energy output is 84 times the Sun's luminosity.
U Lyr: +8.3 to +13
U Lyrae is a 9th magnitude Variable Double Star appearing in the constellation Lyra. It is a red star of spectral type C.
This star is part of a double or multiple star system, but its orbit is not known. Its magitude +13.0 secondary component appears 10.5 arcseconds away from the primary.
U Lyrae is a pulsating Mira-type variable star of type M. Its magnitude varies from +8.3 to +13.5, over a period of 451.7 days.
Y Cnv: +4.86 to +7.32 (Repeat from March 2021)
Y Canum Venaticorum, called "La Superba" by the 19th-century Italian astronomer Father Angelo Secchi, is one of the deeply red-toned "carbon stars." Y CVn is a semi-regular (SRb) variable star; its magnitude range is from 4.8 to 6.4, over a period that averages roughly 157 days. Other periods, including one of 2000 days, are suspected. "Y" is one of the reddest stars in the sky, and is classified variously as a C7 supergiant, or as a CN5 supergiant. Its beautiful poppy-red tone is easy to see in 50 mm binoculars.
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 - April/May 2022
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 - April/May 2022
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 - April/May 2022
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 - April/May 2022
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 - April/May 2022
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 - April/May 2022
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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I Broke The Forum.
Re: Brett's Carbon Star Hunt - April/May 2022
I've swapped out my 1600MM for my 224MC to have a go at Jupiter tonight. You have inspired me to go for some carbon stars too!
The October list is here: viewtopic.php?f=109&t=20889
Regards
Graeme
Celestron 9.25 f10 SCT, f6.3FR, CGX mount.
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 - April/May 2022
There are also stars that are not carbon but also possess rich orange or red colors. One of the most striking examples is the Garnet Star (Mu Cephei).
Mounts: SW: SkyTee2, AzGTi; iOptron: AZMP; ES: Twilight I; Bresser: EXOS2; UA: MicroStar.
Binos: APM: 100-90 APO; Canon: IS 15x50; Orion: Binoviewer, LG II 15x70, WV 10x50, Nikon: AE 16x50, 10x50, 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Delos, Panoptic & Plossls; ES: 68, 62; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV.
Diagonals: Baader: BBHS mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: 2" prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S, 6-color set; Astronomik: UHC.
Solar: HA: Lunt 50mm single stack, W/L: Meade Herschel wedge.
Observing: DSOs: 3122 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 2196, S110: 77). Doubles: 2461, Comets: 34, Asteroids: 261
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