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Table 1:

Regions used to group MHOs.

Regiona
Mapa Approx. RA Rangeb Approx. Dec Rangeb MHO Numbersc
Perseus M 2 03h00m $\rightarrow$ 04h00m +25$^{\circ}$ $\rightarrow$ +35$^{\circ}$ 500-699
Auriga M 2 03h30m $\rightarrow$ 06h30m +30$^{\circ}$ $\rightarrow$ +56$^{\circ}$ 1000-1099
Taurus M 2 03h00m $\rightarrow$ 05h50m +10$^{\circ}$ $\rightarrow$ +30$^{\circ}$ 700-799
Camelopardalis M 1 04h00m $\rightarrow$ 08h00m +56$^{\circ}$ $\rightarrow$ +90$^{\circ}$ 1100-1199
Orion A M 3 04h45m $\rightarrow$ 06h00m -15$^{\circ}$ $\rightarrow$ -04$^{\circ}$ 1-299
Orion B M 3 04h45m $\rightarrow$ 06h00m -04$^{\circ}$ $\rightarrow$ +16$^{\circ}$ 300-499
Gemini M 3 05h50m $\rightarrow$ 08h00m +14$^{\circ}$ $\rightarrow$ +34$^{\circ}$ 1200-1299
Monoceros M 3 06h00m $\rightarrow$ 08h30m -13$^{\circ}$ $\rightarrow$ +14$^{\circ}$ 1300-1399
Puppis M 4 06h30m $\rightarrow$ 09h00m -38$^{\circ}$ $\rightarrow$ -13$^{\circ}$ 1400-1499
Vela M 4 07h30m $\rightarrow$ 11h00m -55$^{\circ}$ $\rightarrow$ -38$^{\circ}$ 1500-1599
Carina M 5 08h00m $\rightarrow$ 12h00m -75$^{\circ}$ $\rightarrow$ -55$^{\circ}$ 1600-1699
Chameleon M 5 08h00m $\rightarrow$ 14h00m -85$^{\circ}$ $\rightarrow$ -70$^{\circ}$ 3000-3099
Centaurus M 5 12h00m $\rightarrow$ 15h00m -70$^{\circ}$ $\rightarrow$ -30$^{\circ}$ 1700-1799
Circinus/Lupus M 6 15h00m $\rightarrow$ 16h00m -70$^{\circ}$ $\rightarrow$ -30$^{\circ}$ 1800-1899
Scorpius M 6 16h00m $\rightarrow$ 18h00m -60$^{\circ}$ $\rightarrow$ -30$^{\circ}$ 1900-1999
Corona Australis M 6 18h00m $\rightarrow$ 19h30m -45$^{\circ}$ $\rightarrow$ -35$^{\circ}$ 2000-2099
Ophiuchus M 6 16h00m $\rightarrow$ 18h00m -30$^{\circ}$ $\rightarrow$ +05$^{\circ}$ 2100-2199
Serpens M 7 17h30m $\rightarrow$ 18h40m -15$^{\circ}$ $\rightarrow$ +05$^{\circ}$ 2200-2299
Sagittarius M 7 18h00m $\rightarrow$ 20h30m -35$^{\circ}$ $\rightarrow$ -12$^{\circ}$ 2300-2399
Aquila M 7 18h40m $\rightarrow$ 20h30m -12$^{\circ}$ $\rightarrow$ +15$^{\circ}$ 2400-2499
Lyra M 8 18h20m $\rightarrow$ 19h00m +05$^{\circ}$ $\rightarrow$ +45$^{\circ}$ 2500-2599
Vulpecula M 8 19h00m $\rightarrow$ 21h30m +15$^{\circ}$ $\rightarrow$ +30$^{\circ}$ 2600-2699
Cygnus M 9 19h00m $\rightarrow$ 22h00m +30$^{\circ}$ $\rightarrow$ +55$^{\circ}$ 800-999
Cepheus M 9 19h00m $\rightarrow$ 23h30m +55$^{\circ}$ $\rightarrow$ +90$^{\circ}$ 2700-2799
Andromeda M 9 22h00m $\rightarrow$ 00h00m +30$^{\circ}$ $\rightarrow$ +55$^{\circ}$ 2800-2899
Cassiopeia M 1 23h00m $\rightarrow$ 04h00m +50$^{\circ}$ $\rightarrow$ +90$^{\circ}$ 2900-2999

Notes. (a) The name of each region, and the map used to define each region; (b) approximate RA and Dec range associated with each region (a more precise range is drawn on each map in Figs. 4; (c) the range of MHO numbers used for objects within each region (note that objects have not yet been assigned to all numbers in each range).


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