Stars

Stars (30)

Articles on interesting or unique stars I've imaged.

Tuesday, 29 December 2020 16:25

Mira

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Mira or Omicron Ceti is a red giant star in Cetus. Prototype for a class of red giant variable stars that pulsate over periods of 100 to 1,000 days. Mira itself pulsates over 331.65 days going from a magnitude 2.0…

Additional Info

  • Constellation Cetus
  • Right Ascension 02h 19m 20.79210s
  • Declination –02° 58′ 39.4956″
  • Distance (Lightyears) 300
  • Telescope Orion ED80cft Refractor
  • Camera ZWO ASI071 OSC cmos
  • Magnitude 2.0 - 10.1
  • Galaxy Type undefined
  • Variable Type Mira
  • B-V Color Index +1.53
Tuesday, 22 December 2020 17:07

Algol

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Algol, Beta Persei, sometimes known as the Demon Star was one of the first noticed variable stars, dipping from mag 2.1 to 3.4 every 2 days, 20 hours and 48.8 minutes when a dimmer companion passes in front of it…

Additional Info

  • Constellation Perseus
  • Right Ascension 03h 08m 10.13245s
  • Declination +40° 57′ 20.3280″
  • Distance (Lightyears) 90
  • Telescope Orion ED80cft Refractor
  • Camera ZWO ASI071 OSC cmos
  • Magnitude 2.12 - 3.39
  • Galaxy Type undefined
Friday, 13 November 2020 16:35

EZ Aqr 2020

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EZ Aqr is a triple red dwarf system 11 light years away. Star "C" of the triplet orbits every 3.8 days, the other one "B" has a 823 day period.All three of the stars have an estimated mass of a…

Additional Info

  • Constellation Aquarius
  • Right Ascension 22h 38m 33.73s
  • Declination –15° 17′ 57.3″
  • Distance (Lightyears) 11.1
  • Telescope Explore Scientific 127 Refractor
  • Camera ZWO 1600MM Mono cmos
Tuesday, 27 October 2020 13:17

Ross 248

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Ross 248 or HH Andromedae is a red dwarf star currently located in Andromeda. At a distance of 103 light years, it is one of the closer stars. In about 33,000 years it will actually be the closest star for…

Additional Info

  • Constellation Andromeda
  • Right Ascension 23h 41m 55.0361s
  • Declination +44° 10′ 38.825″
  • Distance (Lightyears) 10.3
  • Telescope Explore Scientific 127 Refractor
  • Camera ZWO 1600MM Mono cmos
Thursday, 08 October 2020 15:25

Trappist-1

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Trappist 1 is an ultra cool red dwarf star currently located in Aquarius. It is slightly larger than Jupiter, but with a mass of over 80 times that of of Jupiter. Three planets were discovered around it in 2015, with…

Additional Info

  • Constellation Aquarius
  • Right Ascension 23h 06m 29.283s
  • Declination −05° 02′ 28.59″
  • Distance (Lightyears) 39
  • Telescope Explore Scientific 127 Refractor
  • Camera ZWO 1600MM Mono cmos
Sunday, 23 August 2020 14:04

Barnard's Star 2020 Version

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Barnard's Star is a red dwarf located 6 light years away. At mag 9.5 telescope is needed to see it. It displays the highest motion across the sky (proper motion). It's motion is visible in images taken a year apart.…

Additional Info

  • Constellation Ophiuchus
  • Right Ascension 17h 57m 48.49803s
  • Declination +04° 41′ 36.2072″
  • Distance (Lightyears) 6
  • Telescope Explore Scientific 127 Refractor
  • Camera ZWO 1600MM Mono cmos
Thursday, 23 July 2020 15:35

Antares

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Antares is a swollen red supergiant star located in Scorpius the Scorpion. As the brightest star in that constellation it is designated as Alpha Scorpii. It is the 15th brightest star visible from Earth. It's outer layers are so swollen…

Additional Info

  • Constellation Scorpius
  • Right Ascension 16h 29m 24.45970s
  • Declination −26° 25′ 55.2094″
  • Distance (Lightyears) 550
  • Telescope Orion ED80cft Refractor
  • Camera ZWO ASI071 OSC cmos
Thursday, 28 May 2020 16:00

Wolf 359

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Wolf359 is a red dwarf star at a distance of 7.8 light years away from Earth. Located in the constellation of Leo it is one of the nearest stars. It is also one of the faintest low mass stars known.…

Additional Info

  • Constellation Leo
  • Right Ascension 10h 56m 28.99s
  • Declination +07° 00′ 52.0″
  • Distance (Lightyears) 7.8
  • Telescope Explore Scientific 127 Refractor
  • Camera ZWO 1600MM Mono cmos
Tuesday, 24 December 2019 15:30

Betelgeuse

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Betelgeuse is a red giant star located in Orion. It is the largest star visible to the naked eye, if was located where our Sun is, it would extend out past the asteroid belt. It also a variable star with…

Additional Info

  • Constellation Orion
  • Right Ascension 05h 55m 10.30s
  • Declination +07° 24′ 25.43"
  • Distance (Lightyears) 700
  • Telescope GSO 254mm RC
  • Camera ZWO ASI071 OSC cmos
Wednesday, 04 September 2019 23:03

Epsilon Lyrae

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Epsilon Lyrae is a a true binary star system with an orbit that is measured in hundred of thousands of years to complete an orbit. In addition, each star is also a binary star that can only be split using…

Additional Info

  • Constellation Lyra
  • Right Ascension 18h 44m 20.34589s
  • Declination +39° 40′ 12.4533″
  • Distance (Lightyears) 162
  • Telescope GSO 254mm RC
  • Camera ZWO ASI071 OSC cmos
Tuesday, 20 August 2019 16:58

Albireo

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Albireo or Beta Cygni, is one of the finest double stars in the northern hemisphere. Located at the "beak" of Cygnus the Swan, the two stars show a vivid contrast in color. Although the two stars don't seem to be…

Additional Info

  • Constellation Cygnus
  • Right Ascension 19h 30m 43.286s
  • Declination +27° 57′ 34.84″
  • Distance (Lightyears) 430
  • Telescope GSO 254mm RC
  • Camera ZWO ASI071 OSC cmos
Friday, 02 August 2019 13:12

Barnard's Star 2019

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Barnard's Star is a red dwarf star located 6 light years away in the constellation of Ophiuchus. Despite being relatively close, it is unable to be seen with out a telescope due to its dim nature. Being close by, and…

Additional Info

  • Constellation Ophiuchus
  • Right Ascension 17h 57m 48.49803s
  • Declination +04° 41′ 36.2072"
  • Distance (Lightyears) 6
  • Telescope Explore Scientific 127 Refractor
  • Camera ZWO 1600MM Mono cmos
Thursday, 28 March 2019 16:06

Kemble's Cascade

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Kembles's Cascade is an asterism of unrelated stars that form some type of pattern. Kemble's cascade forms a line of brighter stars starting near the open cluster of NGC 1502 (upper right) that flows down towards the lower left of…

Additional Info

  • Constellation Camelopardalis
  • Telescope Orion ED80cft Refractor
  • Camera ZWO ASI071 OSC cmos
Thursday, 18 October 2018 13:39

Dazzling Mu Cephei

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Also known as Herschel's Garnet Star is a supersized red giant star. It is among one of the larger stars known. If it was located where our Sun is, the outer layer would reach beyond the orbit of Jupiter. The…

Additional Info

  • Constellation Cepheus
  • Right Ascension 21h 43m 30.4609s
  • Declination +58° 46′ 48.166″
  • Distance (Lightyears) 2,800
Thursday, 09 August 2018 11:59

Trappist 1

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Trappist 1 is an dim ultra cool red dwarf star located 39 light years away in the constellation of Aquarius. In size, it is only slightly larger than Jupiter but more massive. Despite only being 39 light years away, due…

Additional Info

  • Constellation Aquarius
  • Right Ascension 23h 06m 29.283s
  • Declination −05° 02′ 28.59″
  • Distance (Lightyears) 39
Friday, 27 July 2018 13:52

Barnard's Star 2018

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Barnard's Star is a low mass red dwarf star 6 light years away from Earth. It's biggest claim to fame is it displays the highest proper motion of any star. Proper motion is the apparent motion across the sky from…

Additional Info

  • Constellation Ophiuchus
  • Right Ascension 17h 57m 48.49803s
  • Declination +04° 41′ 36.2072″
  • Distance (Lightyears) 6
Saturday, 12 May 2018 00:34

T Cancri - Carbon Star

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T Cancri is a red giant variable that gets it's deep reddish color from carbon that is dredged up from its core that forms a fine soot layer that scatters away the blue and green light, much like a sunset…

Additional Info

  • Constellation Cancer
  • Right Ascension 08 56 40.1
  • Declination +19 50 57
Friday, 09 February 2018 15:07

La Superba

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Other names for La Superba are Y CVn, and HD 110914. La Superba is a late stage red giant star, with a mass of three times that of our Sun, but with its outer layers extending out to a radius…

Additional Info

  • Constellation Canes Venatici
  • Right Ascension 12h 45m 07.83s
  • Declination +45° 26′ 24.92″
  • Distance (Lightyears) 1,000
Sunday, 30 April 2017 16:11

V Ori

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As Orion sets in the western sky, I say goodbye to one of the long period variable stars I follow until Fall when it starts rising in the east. V Ori is a Mira type variable star that varies between…
Saturday, 29 October 2016 00:05

TCP J18102829-2729590 Nova

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On October 20th while doing sky patrol with his 180 mm lens, Koicho Itagaki from Japan discovered a "new" star in Sagittarius that wasn't there the previous time. The star, temporarily given the designation of TCP J18102829-2729590 until it's permanent…
Wednesday, 14 September 2016 23:55

RX And

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RX And is a recurring dwarf nova star located in the constellation of Andromeda. Currently classified in the class of Z Camelopardalis variable stars, it consists of a white dwarf with an accretion disk siphoning matter from a secondary dwarf…
Friday, 09 September 2016 16:28

HD164595 - Signals from Space

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HD164595 is a G type star located in the constellation of Hercules. It is thought to have at least one planet roughly a mass of 16 times of Earth. It's claim to fame came in 2016 when a Russian team…
Friday, 09 September 2016 15:44

Baade's Window

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Baade's window is area of lower amounts of interstellar gas and dust towards the nucleus of the Milky Way Galaxy. First noticed by Walter Baade, this area along with a few others offers a glimpse of the nucleus of our…
Tuesday, 16 August 2016 18:42

Barnard's Star August 2016

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Barnard's Star is a low mass red dwarf star located in the constellation of Ophiuchus. It is an old star at an estimated age of 7 to 12 billion years of age. Red dwarfs such as this one can "burn"…
Saturday, 21 May 2016 13:48

KIC 8462852

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KIC 8462852 is still in the news. KIC 8462852 is a F class star located in the constellation of Cygnus. At a magnitude 11.7, its only visible in telescopes, and is located some 1480 light years away. Often called Tabby's…
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