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After I read about the Cycle 2 call for amateur proposals to use the
Edwin P. Hubble orbiting space telescope in late 1990 I devoted 7 months researching and preparing for it.
Then I submitted my proposal back in early 1991 for AMATUER use of the orbiting
Hubble Space Telescope to research the
atmosphere of
Saturn's
largest moon
Titan and after a
long anxious wait it was ACCEPTED in 1993.
This is what the application looked like (unfortunately they are not taking anymore applications)
Using a technique called spectroscopy I researched Titan's atmosphere in the middle ultraviolet (UV) spectrum using the Hubble's Goddard High Resolution Spectrograph (HRS/GHRS) (which was removed in the first servicing mission). This method is also called reflectance spectroscopy since I am seeing a reflection of our Sun on Titan and most of my spectra is the Sun.
The compound I was (and still am) searching for is
formaldehyde (CH2O)
remember that "stinky" gas from your biology class with those
specimens you dissected ? Well that's what I'm looking for.
While I was researching I found a connection with
hydrogen cyanide (HCN) (discovered by the
Voyager 1 spacecraft More on Voyager
) and
formaldehyde . When they combine
purines can form that can possibly lead to adenine which is a base for
DNA (this is the article I found by accident that became the basis for my observation).
Titan is probably the most Earth-like body in our solar system , which is the reason why I became so mesmerized and interested in Titan.
Saturn was and still is my favorite planet to observe due to it beautiful rings, so after Voyager 1 observed Saturn I watched a
NOVA documentary "Resolution on Saturn" (Season 8 Episode 10) that would literally change my life 10 years later!
My inspiration was
Tobias (Toby) Owen who spoke of Titan and its Infrared spectra highlighting HCN and that stuck in my head and between studying the Oort Cloud, Beta Pictoris and Titan I choose Titan!
Just like our precious Earth - Titan also has an atmosphere which is dominated by molecular nitrogen (N2), along with hydrogen (H2), carbon monoxide (CO) and carbon dioxide (CO2). Also Titan is believed to have continents, oceans, and even a greenhouse effect.
Finally Methane (CH 4 ) shares the same characteristics as water does on Earth by existing in 3 forms (solid,liquid and gas), known as the triple point...an amazing body right here in our own solar system only 1,277,566,066 kilometers away.
Sorry I don't have any pretty pictures to show all of you from the Hubble. But, I do have a target image of Titan from Hubble (taken thru WFPC1) , but its nothing fancy.
Astronomical spectroscopy is just as valuable to astronomy as images are - if not more. Even though imaging is quite easier, spectroscopy tells us valuable info about the composition, velocities, atmospheres, doppler/red shifts and lots more.
Click here for various images of our Milky Way taken at different regions of the spectrum (x-ray, gamma, etc)
Click here the FAQ&A page . Some are the
questions are a blast!!
Click here for images of me and my observation along with references for additional reading. I now have my photos of the Shuttle launch and the target image of Titan on this page.
Here is a diagram of how my observation occurred.
Click here for my Wide Web of Astronomy page
The Hubble Space Telescope is a joint NASA and ESA collaboration and is controlled at the Goddard Space Flight Center in Maryland. The scientific end of the Hubble is performed at Space Telescope Science Institute (STScI) also in Maryland
HST was placed in orbit on April 24,
1990 by the Space Shuttle Discovery
on STS-31.
The first servicing
mission was done by Space Shuttle Endeavour
on STS-61.
Just recently STS-82
mission the second in a series of planned servicing missions to the
orbiting Hubble Space Telescope was just completed.
| Date | Location |
|---|---|
| 04/27/96 | UACNJ Observatory,Jenny Jump Hope NJ (8pm) |
| 05/25/96 | National Space Society's ISDC Convention, Grand Hyatt, New York City |
| 04/02/97 | S.T.A.R. Astronomy CLub, Holmdel Park Activity Center, Holmdel,NJ |
| 04/22/97 | Union County College (Sperry Observ) Continuing Educ. class (8pm) |
| 04/24/97 | Rutger's Univ/Camden Astronomy class (~7pm) |
| 05/30/97 | Prodigy online chat, 9:30 p.m. ET Astronomy Chat Room     here is a transcript of the discussion |
| sometime in '97 | UACNJ Observatory,Jenny Jump Hope NJ (8pm) |
| 04/09/98 | MMAS - Morris Musuem Astronomical Society, Morristown,NJ (~8pm) |
| 09/12/98 | UACNJ Observatory,Jenny Jump Hope NJ (4 pm) |
Click here to see a group photo of the Cycle 2
amateurs and some staff members of the Space Telescope Science Institute
. This was from a dinner we had on the campus of Johns-Hopkins during
our orientation.
Here is brief listing of all 13 amateur programs by Max Mutchler at STSci .
The demise of the HST amateur program. Sky & Telescope, Jun97, Vol. 93 Issue 6, p97
And most of all Riccardo Giacconi or making the opportunity for us amateurs!
Here is the Acceptance letter I received from Giacconi. I was so nervous to open the envelope.
I wrote to a famous Nobel Prize winning scientist Gerhard Herzberg who a Harvard scientist suggested I contact for molecular spectra that I was looking for.
We corresponded three times !!! all three are scanned in sequence
I have a letter from Carl Sagan that I'm still looking for - so stay tuned
The Dept of Energy (DOE) was responsible for producing the
RTG (Radioisotope Thermoelectric Generators) for NASA which are
necessary to
power the spacecraft especially since no battery can last that long,
nor can it recharge since it will be so far from our sun. Such a power
supply source much be devised.
Our Ozone Hole!
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