KeyholeThe Hubble Heritage Project The Hubble Heritage Project

Bridging Science and AestheticsBridging Science and Aesthetics

byby Lisa Frattare Lisa Frattare andand Keith NollKeith Noll

Hubble Heritage TeamHubble Heritage TeamSpace Telescope Science InstituteSpace Telescope Science Institute

1

Deployed April 25, 1990Designed to last 15 yrs

Diameter of Mirror: 8 feet Focal Length: 189 feet (57.6 m)

Length of Tube: 43.5 feetSpeed: 17,500 mph (5 mps) Altitude: 380 miles (600 km) Full Earth Orbit: 97 minutes Earth Occultation every 45 minutes Processor Speed: 386/486

Hubble Space Telescope (HST)

>>>

>>>

2

Size of Earth

Size of Earth’s Atmosphere

6400 km

600 km above surface

Size of Hubble’s Orbit

100 km above surface

3

HST: World-Class Science InstrumentCycle 18 (2010-2011) showed the highest over-subscription rate (9:1) in the history of Hubble observations.

1051 proposals were submitted for 23,000 orbitsTotal Available Orbits: 2,600

Awarded:

1,700 orbits for Small Proposals (under 40 orbits)

300 orbits for Medium Proposals (40-99 orbits)

600 orbits for Large/Treasury Proposal (i.e. M31)

??? orbits for Director’s Discretionary

ToO: Target of Opportunity (SNe, comets) Hubble Heritage Outreach Project (15 orbits)>>>

4

I V B

Broad-band Image Compositing

5

I V B

Red Green Blue

Broad-band Image Compositing

6

I V B

Red Green Blue

Broad-band Image Compositing

7

Narrow-band Imaging [S II]

H-alpha

[O III]

8

Two-Color Image Compositing

9

(L) HST/ACS: H-alpha+[N II](RGB) CTIO: [S II], H-alpha, [O III]

Single Filter (LRGB)

10

M51

11

M51

Hubble DataHubble Data

Ground-based data to Ground-based data to

fill in cornersfill in corners

Ground-based data to fill in cornersGround-based data to fill in corners

12

13

Dumbbell 2

• STScI-PRC99-01

14

Saturn

15

Horsehead

16

Mosaic outlines NGC 2207

17

Composite

18

19

Some PI Science can be

aesthetic, but not main driver

20

Events are aesthetic

21

Mars Dust Storm

Some aesthetic images capture unexpected science

22

23

Saturn“Time Lapse” Observations

24

25

26

NGC 4414

• Releasing an image a month since 1998• Drive is aesthetics in addition to science• Small allotment of orbits yearly• Also augment archival data

Hubble Heritage Projecthttp://heritage.stsci.edu

27

Ring Nebula M57

• STScI-PRC99-01

28

29

30

Sombrero Galaxy M104

Globular Cluster Mapping of Sombrero

31

Mz 3

• STScI-PRC01-05

32

33

34

35

36

37

38

39

40

Introduction

41

42

43

HH 901

44

Keyhole

45

46

Hubble’s 20th Anniversary Image - April 2010

47

48

49

50

51

52

53

54

55

56

57

Search on Search on Hubble HeritageHubble Heritageto learn more…to learn more…

58