May 17, 2007

 

Astronomy Notes – Unit 3e – Summer Constellations

 

q      (1) using a Planisphere – the circular star chart

o      move dial to the date and time

o      face South and look up

o      remember that East and West are swapped on a star chart

q       (2) Lyra

o      also called the ______________ (or harp).

o      Vega (magnitude 0) - 3rd on our list of Brightest Stars.

§       First star to be photographed in 1850.

q      (3) Cygnus

o      also called the ______________ .

o      Deneb (magnitude 1.25) – would be 14th on our list of Brightest Stars.

§       67,000 times as bright as the Sun, but 1,600 light years away

o      Cygnus is also known as the “Northern Cross”

o      NCG 7000 – North American Nebula

q      (4) Aquila

o      also called the ______________ .

o      Altair (magnitude 0.77) – 8th on our list of Brightest Stars.

o      M16 – the Eagle Nebula (famous Hubble Telescope image)

q      (5) Summer Triangle – Vega – Deneb - Altair