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Author Topic: Qatar - 2 b - my first exoplanet transit  (Read 2376 times)

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Offline Einari

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Qatar - 2 b - my first exoplanet transit
« on: 11:05:08, 05 April, 2014 »
Finally I made it!
Have made some poor attempts before and recently more successful photometry with fast variable stars.
Most difficult was to get proper data/graph out of images but in the end found suitable (free) software and help to use it.

Some info:
My target was Qatar -2 b in Virgo. It's magnitude 13 and during 108.6 min transit it dips 0.0374 magnitude.
Here's some more info:

I used my C8 @ 6.3, Idas LPS filter and SXV-694 camera binned 2.
Took 195 exposures, 30s each and then 30s pause (made as small script for it in AstroArt 5).

Preprocessed (and saved ) the images in AstroArt 5, and then used free photometry software Fotodif to analyze the data.
It's spanish but software has also english option.

So here's first my light curve.
As you can see in the end the seeing got worse.

Here's another graph:


Celestron C8, C9.25" & Hyperstar, iOptron CEM60-EC, TS 80 triplet,  Coronado PST, SXV-694,  ASI120MM/ASI174MC Cool

Offline Nomis Elfactem

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Re: Qatar - 2 b - my first exoplanet transit
« Reply #1 on: 15:35:02, 05 April, 2014 »
That's really great science Tapio and all from an amateur rig.... great work !!


Scopes: Astro-Tech AT-111EDT Triplet, TS65ED Quad, Orion ST80, Modded PST-90 Solar Scope, PST Cak (on loan)
Cameras: SXVF H694, Atik 16ic, Canon EOS 600d, DMK41, DMK21, QHY 5L-II (mono & colour)
Accessories: SX USB Filter Wheel, SX OAG, Baader LRGB Ha SI OII Filters, SharpSky Focuser
Mount: EQ6 (EQMOD), SW Star Adventurer, plus a lot (and I mean a lot) of other bits and pieces


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