Consider Adhara, the second-brightest star of Canis Major, the big dog, which is in the southeast by mid-evening. The constellationâs brightest star is Sirius â the brightest star in the night sky at visible wavelengths.Adhara is to its lower right.onsider Adhara, the second-brightest star of Canis Major, the big dog, which is in the southeast by mid-evening. The constellationâs brightest star is Sirius â the brightest star in the night sky at visible wavelengths.
A 1.8 kg turkey crown should cook for at least an hour and a half. 12 pound turkey crown should cook in the oven for at least 3  hours. The turkey should cook at a temperature of 325 degrees.
Calculate the cooking time. The larger your turkey breast, the longer it will take to cook. When roasted at 325 Â°F (163 Â°C), turkey breast requires approximately 25 minutes cooking time per pound. 1  For a smaller four to six pound turkey breast, set aside between 1 1/2 and 2 1/2 hours.2  If you're cooking at an altitude of 5,000 or more feet, you'll need to add five to ten extra minutes' cooking time per pound.hen roasted at 325 Â°F (163 Â°C), turkey breast requires approximately 25 minutes cooking time per pound. 1  For a smaller four to six pound turkey breast, set aside between 1 1/2 and 2 1/2 hours. 2  If you're cooking at an altitude of 5,000 or more feet, you'll need to add five to ten extra minutes' cooking time per pound.