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3. It is time to complete our star list with the remaining Greek lettered stars in Hydra.

Curiously the tail of Hydra tapers off into nothing beyond π. Normally we would expect a star at the very end of the constellation line. In my astronomy book the tip of the tail is at the star 58 Hydrae.

All 6 Greek lettered stars in the head of Hydra, those rising heliacally in the 9th hour, have been listed.

Naos

ζ Puppis 2.21 39° 52′ S 08h 02m 122.3  

Heap of Fuel

μ Cancri 5.30 21° 35′ N 08h 05m 123.1  

Tegmine

ζ Cancri 4.67 17° 39′ N 08h 10m 124.3  

Al Tarf

β Cancri 3.53 09° 11′ N 08h 14m 125.3  

Bright Fire

λ Cancri 5.92 24° 01′ N 08h 18m 126.4  

Avior

ε Carinae 1.86 59º 31' S 08h 20m 127.4  

 

ο Ursa Majoris 3.35 60° 43′ N 08h 26m 128.4  

 

θ Cancri 5.33 18° 06′ N 08h 29m 129.2 H

 

η Cancri 5.33 20° 26′ N 08h 30m 129.5  

 

π¹ Ursa Majoris 5.63 65° 01′ N 08h 35m 130.6  

 

δ Hydrae 4.14 05° 42′ N 08h 35m 130.6 CH

Al Minhar al Shujā

σ Hydrae 4.45 03° 20′ N 08h 36m 130.9 H

Museida

π² Ursa Majoris 4.59 64° 30′ N 08h 36m 130.9  

Beehive

ε Cancri 6.29 19° 33′ N 08h 38m 131.4  

Ascellus Borealis

γ Cancri 4.66 21° 39′ N 08h 40m 131.9 H

 

η Hydrae 4.30 03° 24′ N 08h 40m 132.0 H

Ascellus Australis

δ Cancri 3.94 18° 20′ N 08h 42m 132.4 H
  ε Hydrae 3.38 06° 25′ N 08h 44m 132.9 CH

 

ι Cancri 4.03 28° 46′ N 08h 44m 133.0  
  ρ Hydrae 4.35 05° 50′ N 08h 46m 133.4 H
  ζ Hydrae 3.11 05° 57′ N 08h 53m 135.1  

Acubens

α Cancri 4.26 12° 03′ N 08h 56m 136.0  

Talitha Borealis

ι Ursa Majoris 3.12 48° 14′ N 08h 56m 136.0  

 

ρ Ursa Majoris 4.74 67° 38′ N 08h 59m 136.6  

In the 10th hour another 6 stars are listed, including A Hydrae. This is where there is a 'knot' (ukdah):

  ν Cancri 5.45 24° 27′ N 09h 00m 137.0  

Talitha Australis

κ Ursa Majoris 3.57 47° 09′ N 09h 01m 137.1  
  ω Hydrae 4.99 05° 06′ N 09h 03m 137.8  
  σ¹ Ursa Majoris 5.15 66° 52′ N 09h 04m 138.0  
  κ Cancri 5.23 10° 40′ N 09h 05m 138.3  

Alsuhail

λ Velorum 2.23 43° 14′ S 09h 06m 138.5  
  σ² Ursa Majoris 4.80 67° 08′ N 09h 06m 138.6  
  τ Ursa Majoris 4.67 63° 31′ N 09h 07m 138.7  
  ξ Cancri 5.16 22° 03′ N 09h 07m 138.8  

Miaplacidus

β Carinae 1.67 69° 31′ S 09h 13m 140.3  

Tureis

ε Carinae 1.86 59° 03′ S 09h 15m 140.8  

Al Minhar al Asad

κ Leonis 4.47 26° 11′ N 09h 22m 142.6  
Alphard

α Hydrae

1.99

08° 26′ S

09h 25m

143.3

TC

  ω Leonis 5.40 09° 03′ N 09h 26m 143.6  
 

τ¹ Hydrae

4.59

02° 46′ S

09h 27m

143.7

 

Alterf

λ Leonis 4.32 22° 58′ N 09h 29m 144.4  
 

τ² Hydrae

4.54

01° 11′ S

09h 29m

144.4

 

  ξ Leonis 4.99 11° 18′ N 09h 30m 144.5  
 

A Hydrae

5.56

05° 55′ S

09h 32m

145.1

 

Ukdah

ι Hydrae

3.90

01° 08′ N

09h 37m

146.4

 

 

κ Hydrae

5.07

14° 20′ S

09h 38m

146.5

 

Subra ο Leonis 3.52 09° 54′ N 09h 39m 146.8  
  ψ Leonis 5.36 14° 01′ N 09h 41m 147.4  

Ras Elaset Australis

ε Leonis 2.97 24° 00′ N 09h 43m 147.6  
 

υ¹ Hydrae

4.11

14° 51′ S

09h 49m

149.4

 

Ras Elaset Borealis

μ Leonis 3.88 26° 15′ N 09h 50m 149.7  
  ν Leonis 5.26 12° 27′ N 09h 56m 151.1  
  π Leonis 4.68 08° 03′ N 09h 58m 151.6  

However, between ζ and ω, there is θ not yet listed.

In the 11th hour there are 5 Greek lettered stars listed, but close to 11h χ is still unlisted:

  υ² Hydrae 4.60 13° 04′ S 10h 02m 152.8  

Al Jabhah

η Leonis 3.48 16° 46′ N 10h 05m 153.4  

Regulus

α Leonis 1.36 12° 13′ N 10h 06m 153.7 AH

 

λ Hydrae 3.61 12° 21′ S 10h 08m 154.2  

Adhafera

ζ Leonis 3.43 23° 40′ N 10h 14m 155.7  

Tania Borealis

λ Ursa Majoris 3.45 43° 10′ N 10h 14m 155.7  

Algieba

γ Leonis 2.01 20° 06′ N 10h 17m 156.5  

Tania Australis

μ Ursa Majoris 3.06 41° 45′ N 10h 19m 157.0  

 

μ Hydrae 3.83 16° 50′ S 10h 23m 158.1 C

Shir

ρ Leonis 3.84 09° 18′ N 10h 30m 159.9  

 

φ Hydrae 4.91 16° 53′ S 10h 36m 161.3  

 

ν Hydrae 3.11 16° 12′ S 10h 47m 164.1  

Alkes

α Crateris 4.08 18° 02′ S 10h 57m 166.6 C

Merak

β Ursa Majoris 2.34 56° 39′ N 10h 59m 167.2  

Dubhe

α Ursa Majoris 1.81 62° 01′ N 11h 01m 167.7 T

Al Sharas

β Crateris 4.46 18° 18′ S 11h 09m 169.6  

Zosma

δ Leonis 2.56 20° 48′ N 11h 11m 170.2 H

Coxa

θ Leonis 3.33 15° 42′ N 11h 12m 170.4 H

Alula Australe

ξ Ursa Majoris 3.79 31° 49′ N 11h 16m 171.5  

Alula Boreale

ν Ursa Majoris 3.49 33° 22′ N 11h 16m 171.5  

Labrum

δ Crateris 3.56 14° 47′ S 11h 17m 171.6  

 

λ Crateris 5.08 18° 47′ S 11h 20m 172.6  

 

ε Crateris 4.81 10° 52′ S 11h 22m 172.9  

 

γ Crateris 4.06 17° 41′ S 11h 22m 173.0  
  π Centauri 3.90 54° 29′ S 11h 22m 173.0  

 

κ Crateris 5.93 12° 21′ S 11h 24m 173.5  
  ο¹ Centauri 5.07 59° 27′ S 11h 29m 174.8  
  ξ Hydrae 3.54 31° 51′ S 11h 31m 175.3  
  ο² Centauri 5.12 59° 31′ S 11h 33m 175.8  
  λ Centauri 3.11 63° 01′ S 11h 33m 175.8  

 

θ Crateris 4.70 09° 48′ S 11h 34m 176.0  
  ω Virginis 5.24 08° 08′ N 11h 35m 176.3  

 

ι Crateris 5.48 13° 12′ S 11h 36m 176.5  
  ο Hydrae 4.70 34° 45′ S 11h 38m 177.1  

 

ζ Crateris 4.71 18° 21′ S 11h 42m 178.0  
  ξ Virginis 4.84 08° 15′ N 11h 42m 178.0  
  λ Muscae 3.68 66° 44′ S 11h 42m 178.1  
  ν Virginis 4.04 06° 32′ N 11h 43m 178.2  
  μ Muscae 4.75 66° 49′ S 11h 45m 178.8  
  93 Leonis 4.50 20° 13′ N 11h 46m 179.0  

Denebola

β Leonis 2.14 14° 51′ N 11h 47m 179.3 H

Alaraph

β Virginis 3.59 02° 03′ N 11h 48m 179.6  

Phekda

γ Ursa Majoris 2.41 53° 58′ N 11h 51m 180.3  
  β Hydrae 4.29 33° 54′ S 11h 51m 180.3  

 

η Crateris 5.17 17° 09′ S 11h 53m 180.9  
  π Virginis 4.65 06° 37′ N 11h 58m 182.0  

Otherwise the Greek lettered stars rising heliacally in the 12th hour are all there. In the 13th hour, where Corvus rules, there are no Hydra stars.

Beyond Corvus, ψ, γ, π, and 58 are not yet listed. This will now be done and then the list will comprise 6 + 7 + 5 + 4 + 0 + 2 + 2 = 26 Hydra stars.