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AstroQuiz

1 / 10

What are the three types of calibration frames called?

A) Red, Green, Blue

B) Light, Medium, and Dark

C) Hot, Cold, and Warm

D) Bias, Dark, and Flat

2 / 10

What is "aperture" (f-number) in a telescope?

A) The opening diameter that controls light gathering power

B) The viewing eyepiece

C) The focusing mechanism

D) The type of camera mount

3 / 10

What does "stacking" or "integration" mean in astrophotography?

A) Organizing images in folders

B) Combining multiple exposure images together to reduce noise

C) Taking photos at different angles

D) Editing a single image multiple times

4 / 10

Which of these is NOT required for basic astrophotography?

A) A telescope or camera lens

B) A tripod

C) A professional darkroom

D) A dark location away from city lights

5 / 10

What is the ideal focal length for wide-field astrophotography?

A) 1500mm or longer

B) 800-1000mm

C) 50-100mm

D) Less than 20mm

6 / 10

Which filter is best for imaging the Orion Nebula (M42)?

A) Orange filter

B) Green filter

C) H-alpha (hydrogen) filter

D) Red filter only

7 / 10

Which of these galaxies are nearest to the Earth?

A) Triangulum galaxy (Messier 33)

B) Whirlpool Galaxy (Messier 51)

C) Cigar Galaxy (Messier 82)

D) Andromeda Galaxy (Messier 31)

8 / 10

What is the main purpose of deep sky astrophotography?

A) To take pictures of the moon only

B) To capture distant galaxies, nebulas, and star clusters

C) To replace professional telescopes

D) To view satellites in real-time

9 / 10

What is ISO/GAIN in camera settings?

A) A type of telescope

B) A brand of filter

C) The camera's sensitivity to light

D) The size of the telescope mirror

10 / 10

What does "light pollution" mean?

A) Light from dust in space

B) Light from the moon only

C) A type of camera filter

D) Artificial light from cities that prevents seeing faint stars

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