I've become quite adept at manually star hopping to find targets but Burnham 1 took a few minutes to find. s Aldebaran Mizar Easy Double Star Coathanger . The components are magnitude 5.0 and 7.1 and their separation is 3. At about 6.30pm I was placing my William Optics 158mm F/7 apochromatic refractor in my back garden. I did especially appreciate my time studying the colours of STF 45 and cleanly separating BU 394. B = 8.8. The second-brightest, called Caph (beta CAS), is a white star of magnitude 2.4. They're easily visible to the unaided eye especially under dark skies, away from the troublesome glow of city lights. 1 is magnitude 4.82 and its spectral type is K2III, making it a K-type giant. Double star Eta Cassiopeiae in the constellation Cassiopeia This double cluster is around 19.4 light years away. Found inside Page 56This star is located nearly directly over Earth's North Pole, in line with Earth's axis of spin, and for this reason is easy to recognize Cassiopeia has a number of because of its distinctive W double stars, including Alpha shape. My mount is a Berlebach Planet alt-az, and I have a mirror diagonal fitted. Based upon an annual parallax shift of 15.67 mas as seen from Earth, this system is located roughly 208 light years from the Sun. I haven't been following any star/object catalogue and so I had to look up C14 - Caldwell 14. Im not finding out much about him other than he is or was a professional astronomer who has worked at the Cerro Tololo Inter-American Observatory in Chile. The two stars themselves were resolved by adaptive optics, revealing two stars. Astronomers classify rho Cass as a yellow hypergiant, one of only a few known in the galaxy. There might be slight differences on that, I tend not to use UCAC, I spent ages using a Heidelberg University public TAP service to download the data from GAIA EDR3 I wanted down to Gmag 20 and use G, BP and RP, which also works very well! The Double Cluster is circumpolar (continuously above the horizon) from most northern temperate latitudes. As a result my north is upper right and my east is lower right. Particulars: Irregularly variable stars alpha Cas, gamma Cas; Double star eta Cas; Triple star iota Cas; Variable star rho Cas; Diffuse Nebulae I 1805, I 1848, I 59, NGC 281; Planetary Nebula NGC 7635; Open star clusters: M52, M103, NGC 663, NGC 129, NGC 133, NGC 146, NGC 457, NGC 559, NGC 654, NGC 663 Halfway between Aldebaran in Taurus and the middle star of the 'W' of Cassiopeia. In fact he has always been quite interested in triple and multiple stars, which is something I've always known since I found an early version of his MSC actually, to save me going on at length, why don't you just see what he has to say about himself? However I do fib to the coding in the TDF, I call G V, and BP B and RP R. Anyway, early in the TDF for ucac (if you load it into a text editor or document viewer) you'll see a line starting "photo", then letters and number. Any telescope at 50x or more will split this pair. Caldwell-Moore being his full surname. The main bright star, Eta Cas A is a G-Type star very similar to our sun with a mass that is 97% of our sun and a magnitude 3.4. In book order, Iota Cassiopeiae away from the 'W' on a line from Delta Cas through Epsilon Cas was a nice tight three star system. Found inside Page 5133. Measures of the binary star 2367 with the 36 - inch equatorial . Ast . Nach . , no . 3074 . 34. Measures with 36 - inch refractor of the Lick Observatory of the binary stars 48 Cassiopeia , 99 Herculis , e Cygni , and u llerculis . Cassiopeia (pronounced ksiopi) is the Latin name of a large constellation (in fact it extends itself for about 40 degrees across the sky) situated close to the northern celestial pole.As such, it is visible for most part of the year from the northern hemisphere. Found inside Page 43From the Summer Triangle the stardust trail of the Milky Way leads eastwards to Cassiopeia and Perseus , while Capella A beautiful double star for small telescopes is Eta ( n ) Cassiopeiae , consisting of yellow and reddish stars E. The Double Cluster. Cassiopeia. By The two stars of the Cas system are just 19 light year away, right next door in cosmic terms, and they make a turn around each other every 480 years. Included are several of the bright pink emission nebulas in this part of the Milky Way, notably the Heart and Soul Nebulas at top and the California Nebula at lower left. Despite recently clocking up my one year observing anniversary I have never explored the constellation Cassiopeia, one of the most obvious constellations in the sky. There are thousands of these objects visible during the year. I got nothing like that and got red/orange and yellow/orange. Found inside Page 212It has only third or fourth magnitude stars, thirteen in number, one called Scheder by the Alphonsines and Seder by Scaliger. Sadr, "breast," v Cassiopeia, is a white double star with a ruddy purple companion. Although there is some image movement the double stars are easily seen. The scope has a rather short focal length and for doubles I mostly use it with the 2.5x PM for higher powers, those beyond the 160x that the 5mm gives by itself. Rho Cassiopeiae is a yellow hypergiant star in the constellation Cassiopeiae. Cassiopeiae visual magnitude is 2.47. M52 is an open cluster lying above the tip of the W. NGC 7789 is a lovely star cluster to . ES 1202 is an uncertain double. Maybe next time I will seek out a carbon star in Cassiopeia. It had been a mostly overcast day on Saturday 2nd October 2021. This pair is a common parallax and common proper motion pair according to GAIA EDR3. PA = 201. All chewy stuff. At about 6.30pm I was placing my William Optics 158mm F/7 apochromatic refractor in my back garden. A guide to constellations, stars, and other celestial objects reveals the mythology surrounding the star groups and the star movement through the sky The second section is made up of twenty-thre Magnitudes: A = 10.8. Eventually I did get the desired split at 320X in the end a second time. Our solar system has just one star, but others have hundreds or thousands of stars orbiting and occasionally crashing into each other, creating unimaginable explosions and even merging and creating new stars. Took this handheld iPhone afocal 203X photo of Epsilon Lyrae with NightCap Camera (ISO 5000, 1/500sec, 2X lens). You are fully entitled to express your displeasure regarding Stelle Doppie. I see the lines okay, but what do they signify? I used less powerful eyepieces and increased again. It had been a mostly overcast day on Saturday 2nd October 2021. www.stelledoppie.it provides the details of these 5 double stars in Cassiopeia. Re 2. Viewed Epsilon Lyrae, 102X. Along the plane of our Milky Way galaxy stars of Cassiopeia and Perseus shine along the panorama's left edge. Still, it can no more be called optical than it can be called real. I works very well across a range of bandpasses though (but it's always been a bit suspect on USNO A and USNO B, but that's more to do with them than it). 2 : Many years ago Bill (Gray) cobbled together an algorithm to take photometry of a star and guesstimate its colour.
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