Yn Moddey Mooar

Yn Moddey Mooar
Rolley rollageyn 'sy Voddey Mooar
Ennym 'sy Ladjyn	Canis Major
Aagherrid	CMa
Gienneydagh	Canis Majoris
Cowrey-oaylleeaght	y moddey mooar
Kiart-irree	06h 12.5m –07h 27.5m
Jee-chleayney	−11.03°–−33.25°°
Eaghtyr	380 keim cherrinagh Rhenk: 43oo
Ard-rollageyn	8
Earroo rollageyn Bayer/Flamsteed	32
Rollageyn ny s'gilley na 3m	5
Rollageyn ny s'niessey na 10 pc	2
Rollage s'gilley	Sirius (α CMa) (Rollage y Voddee) (−1.46m)
Rollage s'niessey da'n Dowan	Sirius (α CMa) (Rollage y Voddee)
Reddyn Messier	1
Frassyn dreiggaghyn	0
Çhemmal	yn Un-eairkagh, y Mwaagh, y Calmane as Jerrey ny Lhuingey
Ry-akin ec dowan-lheeadyn eddyr +60° as −90°. Share ry-akin ec 21:00 (9 l.m.) car Toshiaght Arree.

She co-hollys rollageagh 'sy lieh-sfeyr niauoilagh yiass eh yn Moddey Mooar (ny Canis Major 'syn ennym Ladjynagh echey). V'eh coontit mastey ny 48 co-hollys rollageagh va listit lesh y rollageyder Ptolemy 'sy 2h eash BNJ as t'eh foast coontit mastey ny 88 co-hollys rollageagh noa-emshiragh. T'eh enmyssit myr y Moddey Mooar noi ry-hoi'n Voddey Beg; ta'n piyr jeu soyllit dy mennick as ad geiyrt er y Çhelgeyr Mooar trooid y speyr. Ta Raad Mooar Gorree goll ny hrooid as ta çhaglymyn foshlit eigsoyalagh ry-gheddyn çheusthie jeh ny joaraghyn echey, goaill stiagh M41 er lheh.

Ta'n Moddey Mooar goaill stiagh Sirius, ny "Rollage y Voddee" myr t'eh enmyssit chammah, y rollage s'gilley 'sy speyr oie. She rollage ghial t'ee kyndagh rish y niessid eck da Corys ny Greiney as e gillid undinagh. Ayns neuchosoylaght rish shen, she rollageyn ard-lossanagh foddey voin ny rollageyn gial elley 'sy cho-hollys rollageagh. She Epsilon Canis Majoris (Adhara), ec 1.5 er mooadys, y nah rollage s'gilley 'sy cho-hollys rollageagh as y voir ghoulraght feer erskyn-ghorrym s'gilley 'sy speyr oie. Rere oardagh, ta'n sur-oawr bane-vuigh Delta (Wezen) ec 1.8, y foawr bane-ghorrym Beta (Mirzam) ec 2.0, ny sur-oawir vane-ghorrym Eta (Aludra) ec 2.4 as Omicron² ec 3.0, as y rollage yeesoil spectroscoipagh Zeta (Furud), ec 3.0 coontit mastey ny rollageyn s'gilley ayn. Ta'n ard-oawr jiarg VY CMa coontit mastey ny rollageyn smoo er fys ain, choud's nagh vel agh craue raadeeoil er 5 km (3.1 mi) ec y rollage naeearaneagh RX J0720.4-3125.

Kianglaghyn magh

• The Deep Photographic Guide to the Constellations: Canis Major (ayns Baarle)
• Yn Moddey Mooar so-chriggaragh