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24 votes

Why are sometimes the brightest star of a constellation not named alpha?

Bayer didn't sort the stars strictly by brightness. He classified them as "first magnitude", "second magnitude" (and so on) following the traditional magnitudes assigned to stars ...
James K's user avatar
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19 votes
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Why are IAU constellation boundaries not rectilinear?

They are... in a different coordinate system. The boundaries were following straight lines in RA and DEC in the coordinate system for the epoch of B1875 which was used for convenience reason when the ...
planetmaker's user avatar
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13 votes

Where are Modern Constellation lines defined?

In the book The Stars: A New Way to See Them, HA Rey redrew the stick figures to be much more sensible. This is the source of many of the "modern" or "western" versions used by ...
Greg Miller's user avatar
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11 votes
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Where are Modern Constellation lines defined?

The constellation lines in question resemble two of the "sky cultures" available in Stellarium: Modern (O. Hlad), based on Hlad et al. 1988, Hvězdná obloha 2000.0. Modern (H.A. Rey), ...
Mike G's user avatar
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9 votes
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It's 12 June 2023, almost 11 PM... location: Chitral, KPK, Pakistan. What constellations, celestial objects can you identify in this picture. Help

The photo shows Lyra, Cygnus, and other nearby constellations. The diffuse glow to the right of center is the Cygnus Star Cloud, part of the Milky Way. Here is a Stellarium rendering edited to match: ...
Mike G's user avatar
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9 votes

Where are Modern Constellation lines defined?

There are no official "modern" lines, or official "traditional" lines. Both are just choices for asterisms that the app developer made. You'd probably have to look into the credits ...
notovny's user avatar
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9 votes
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Why are sometimes the brightest star of a constellation not named alpha?

It's true that stars are lettered in order of brightness. So, in a constellation the brightnest star is (Alpha), the second brightest (Beta) and so on. That is why most of the First Magnitude Stars ...
Nilay Ghosh's user avatar
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5 votes
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Orion constellation shape

Just look at how Orion looks in the Sky. I added the lines in yellow showing the (slightly deformed rectangle) based on this image by By Mouser on Wikipedia CC-BY: while the white lines are the usual ...
planetmaker's user avatar
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4 votes
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Finding ones way around the sky

OK, an old question, but I believe this is the book you're looking for. I was always partial to HA Rey's The Stars: A New Way to See Them.
Bumptious Q Bangwhistle's user avatar
1 vote

Does the Sun belong to a constellation?

On a three-dimensional chart of the Galaxy, each of our constellations is an irregular cone with its peak at our Sun. Thus it belongs simultaneously to all constellations, or to none.
Anton Sherwood's user avatar

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